Ecological environment assessment method and system

Abstract

The invention is suitable for the technical field of ecological environment assessment, and particularly relates to an ecological environment assessment method and system, and the method comprises the steps that a control device obtains the monitoring information of a plurality of sub-monitoring regions obtained by dividing a to-be-assessed region according to ecological functions through a plurality of pieces of environment monitoring equipment; determining the monitoring frequency of each sub-monitoring area according to each piece of monitoring information; controlling the environment monitoring equipment to monitor the environment influence information of at least one sub-monitoring area according to each monitoring frequency; determining an evaluation area according to the environmental influence information; and performing ecological environment quality evaluation on the evaluation area based on the environmental influence information to obtain an evaluation result. Therefore, according to the ecological environment assessment method provided by the invention, the problem that an area needing to be assessed in the ecological environment is inaccurate due to unreasonable monitoring frequency of the ecological environment can be solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of ecological environment assessment, and particularly relates to an ecological environment assessment method and system. BACKGROUND

[0002] Ecological environment assessment is a systematic analysis and judgment of the quality of a specific regional ecological environment. In the assessment process, indexes and methods that are representative, comparable and operable are selected in combination with specific purposes to quantitatively or qualitatively analyze the ecological environment quality. For example, the ecological integrity, resource production capacity and environmental problems are quantitatively described by calculating values such as vegetation coverage, biodiversity index and soil erosion degree.

[0003] Ecological environment assessment needs to understand the ecological environment status and its change trend of a specific region. To understand the ecological environment status and its change trend and then provide timely and effective support for ecological environment protection and management, monitoring of the ecological environment is particularly crucial. In the prior art, satellite remote sensing technology is usually used to obtain information such as ground vegetation coverage and water distribution on a large scale and quickly, and periodic monitoring is generally performed on a weekly or monthly basis. Or, data such as air temperature and humidity and soil moisture are collected in real time by ground sensors to realize continuous and uninterrupted monitoring. Or, professional personnel periodically collect samples such as water samples, soil samples and atmospheric particulate matter samples at monitoring points and then take the samples back to a laboratory for analysis and determination.

[0004] However, the inventors have found that the monitoring of the ecological environment usually adopts a unified or fixed monitoring frequency, which leads to unreasonable allocation of monitoring resources and cannot effectively capture environmental changes in key regions. In the absence of reasonable monitoring frequency support, the prior art cannot accurately and comprehensively obtain information about the affected environment, which makes it impossible to discover ecological environment problems in a timely manner and accurately grasp the change trend of the ecological environment, resulting in inaccurate ecological environment quality assessment range, possible omission of key regions or expansion of the assessment range, and increased unnecessary workload and cost. Therefore, the existing ecological environment assessment method has the problem of inaccurate region in the ecological environment that needs to be assessed due to unreasonable monitoring frequency of the ecological environment. SUMMARY

[0005] The ecological environment assessment method and system provided by the embodiments of the present application can improve the problem of inaccurate region in the ecological environment that needs to be assessed due to unreasonable monitoring frequency of the ecological environment.

[0006] In a first aspect, the embodiments of the present application provide an ecological environment assessment method applied to an ecological environment assessment device, wherein the ecological environment assessment device comprises a control device and a plurality of environment monitoring devices in communication connection with the control device, and the method comprises the following steps. The control device obtains monitoring information of a plurality of sub-monitoring areas divided according to ecological functions of the area to be evaluated through a plurality of environment monitoring devices; wherein the monitoring information includes a continuous monitoring number of times or a continuous monitoring time length of a sub-monitoring area reaching a preset quality standard, and the plurality of environment monitoring devices correspond to each sub-monitoring area one by one; The monitoring frequency of each sub-monitoring area is determined according to each monitoring information; wherein the monitoring frequency refers to the frequency of the environment monitoring device performing a plurality of data collection; The environment impact information of at least one sub-monitoring area is monitored by the environment monitoring device according to each monitoring frequency; wherein the environment impact information includes a pollution type, an occurrence time, an influence range and an influence degree; The evaluation area is determined according to the environment impact information; wherein the evaluation area includes an area that has been affected by the environment and / or an area that will be affected by the environment, and the area that has been affected by the environment and the area that will be affected by the environment are each one of the sub-monitoring areas; The ecological environment quality of the evaluation area is evaluated based on the environment impact information to obtain an evaluation result; wherein the evaluation result is used to reflect the damage responsibility proportion of each pollution source.

[0007] The technical solution provided in the embodiments of the present application has at least the following technical effects: The ecological environment evaluation method provided in the embodiments of the present application obtains monitoring information of a plurality of sub-monitoring areas divided according to ecological functions of an area to be evaluated through a control device through a plurality of environment monitoring devices; the monitoring frequency of each sub-monitoring area is determined according to each monitoring information; the environment impact information of at least one sub-monitoring area is monitored by the environment monitoring device according to each monitoring frequency; the evaluation area is determined according to the environment impact information; and the ecological environment quality of the evaluation area is evaluated based on the environment impact information to obtain an evaluation result. Therefore, the ecological environment evaluation method provided in the embodiments of the present application dynamically adjusts the monitoring frequency according to the monitoring information of the sub-monitoring area, so that the monitoring work can adapt to the environmental changes of different areas and different times, the timeliness and accuracy of the monitoring data can be improved, and the change trend of the environmental problems can be found in time to provide more timely and effective information for environmental management and governance. By obtaining detailed environment impact information and determining the evaluation area, the evaluation result reflecting the damage responsibility proportion of each pollution source is finally obtained, and by reasonably determining the monitoring frequency and accurately defining the evaluation area, it is beneficial to realize the optimal allocation of monitoring resources and evaluation resources, avoid waste and repeated investment of resources, improve the resource utilization efficiency, reduce the cost of environmental management and governance under the premise of ensuring the monitoring and evaluation quality.

[0008] In a possible implementation manner of the first aspect, the monitoring frequency of each sub-monitoring area is determined according to each monitoring information, and the method comprises: a pollution risk coefficient of the first sub-monitoring region is obtained according to the monitoring information of all the adjacent sub-monitoring regions of the first sub-monitoring region and the monitoring information of the first sub-monitoring region, wherein the first sub-monitoring region is any one of the plurality of sub-monitoring regions; an initial frequency of monitoring the first sub-monitoring region is adjusted according to the pollution risk coefficient, to obtain the monitoring frequency.

[0009] In a possible implementation manner of the first aspect, the determining the evaluation region according to the environmental impact information comprises: an initial region is obtained according to the environmental impact information, wherein the initial region refers to a region within an impact range of the environmental impact information; a connectivity index between the sub-monitoring regions is determined according to the ecological function of each sub-monitoring region and the corresponding pollution risk coefficient; a spatial gradient of an impact degree of the environmental impact information in the initial region is calculated; a diffusion velocity is obtained according to the spatial gradient and the connectivity index, wherein the diffusion velocity is used to reflect a propagation speed of environmental pollution in space; a candidate region corresponding to the initial region is generated according to the diffusion velocity, wherein the candidate region refers to a region in the to-be-evaluated region that is possibly polluted due to the influence of the initial region; the evaluation region is obtained according to the initial region and the candidate region.

[0010] In a possible implementation manner of the first aspect, the obtaining the initial region according to the environmental impact information comprises: the environmental impact information is clustered to obtain a central position; the initial region is determined according to an impact range in the environmental impact information and the central position.

[0011] In a possible implementation manner of the first aspect, the generating the candidate region corresponding to the initial region according to the diffusion velocity comprises: an initial position set is generated by performing position sampling according to the initial region, wherein the initial position set refers to a position set from which a central position of the candidate region is selected; a displacement offset of the initial position set is calculated according to the diffusion velocity; weights of positions in the initial position set are assigned according to a spatial gradient of an impact degree of the environmental impact information corresponding to the initial position set; a first position set is obtained by performing position resampling on the initial position set according to the weights; The candidate region is obtained according to the first position set.

[0012] In a possible implementation manner of the first aspect, the candidate region corresponding to the initial region is generated according to the diffusion speed, including: In a case where it is determined that the ecological function of the to-be-evaluated region is single and the type of pollution existing is single, a sliding path is determined according to the diffusion speed, where the sliding path refers to a path of movement of the initial region according to the diffusion speed. A sliding window region covered by movement according to the sliding path is determined as the candidate region.

[0013] In a possible implementation manner of the first aspect, the monitoring frequency of each sub-monitoring region is determined according to the monitoring information, including: In a case where the first sub-monitoring region meets the continuous monitoring times reaching the maximum continuous monitoring times or the continuous monitoring time length reaching the maximum continuous monitoring time length, the initial frequency of the first sub-monitoring region is reduced, and the monitoring frequency is obtained.

[0014] In a possible implementation manner of the first aspect, the environmental impact information of at least one sub-monitoring region is monitored by the environmental monitoring device according to the monitoring frequency, including: Basic state information of each sub-monitoring region is obtained, where the basic state information is used to reflect a benchmark environmental state of each sub-monitoring region. Actual state information of the corresponding sub-monitoring region is monitored by the environmental monitoring device according to the monitoring frequency. The actual state information is compared with the corresponding basic state information to obtain environmental data differences. The environmental impact information is obtained according to a spatial distribution of the environmental data differences.

[0015] In a possible implementation manner of the first aspect, the ecological environment quality of the evaluation region is evaluated based on the environmental impact information, and an evaluation result is obtained, including: The environmental quality distribution information is obtained by spatial interpolation of the evaluation region according to the environmental impact information. The damage responsibility proportion of each pollution source is obtained according to the environmental quality distribution information.

[0016] In a possible implementation manner of the first aspect, the ecological environment evaluation device is applied to an ecological environment evaluation device, and the ecological environment evaluation device includes a control device and a plurality of environmental monitoring devices in communication connection with the control device. An acquisition module is configured to acquire, by the control device, monitoring information of a plurality of sub-monitoring areas divided according to ecological functions of the area to be evaluated by the plurality of environmental monitoring devices; wherein the monitoring information comprises a continuous monitoring number of times or a continuous monitoring time length of a sub-monitoring area reaching a preset quality standard, and the plurality of environmental monitoring devices correspond to the sub-monitoring areas one by one; A monitoring frequency module is configured to determine a monitoring frequency of each sub-monitoring area according to each monitoring information; wherein the monitoring frequency refers to a frequency of performing a plurality of data collection by the environmental monitoring device; An environmental impact information module is configured to control the environmental monitoring device to monitor environmental impact information of at least one sub-monitoring area according to each monitoring frequency; wherein the environmental impact information comprises a pollution type, an occurrence time, an influence range and an influence degree; An evaluation area module is configured to determine an evaluation area according to the environmental impact information; wherein the evaluation area comprises an area that has been affected by the environment and / or an area that will be affected by the environment, and the area that has been affected by the environment and the area that will be affected by the environment are each one of the sub-monitoring areas; An evaluation result module is configured to perform ecological environment quality evaluation on the evaluation area based on the environmental impact information to obtain an evaluation result; wherein the evaluation result is used to reflect a damage liability proportion of each pollution source.

[0017] In a third aspect, an embodiment of the present application provides an ecological environment evaluation device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the method according to any one of the first aspect when executing the computer program.

[0018] In a fourth aspect, an embodiment of the present application provides a computer readable storage medium, and the computer readable storage medium stores a computer program, and the computer program is executable by a processor to implement the method according to any one of the first aspect.

[0019] In a fifth aspect, an embodiment of the present application provides a computer program product, and when the computer program product is executed on an ecological environment evaluation device, the ecological environment evaluation device executes the method according to any one of the first aspect.

[0020] It can be understood that the beneficial effects of the second aspect to the fifth aspect can be referred to the related description of the first aspect, and will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0022] Figure 1 is a flowchart of an ecological environment evaluation method provided by an embodiment of the present application; Figure 2 is an example diagram of data storage of the ecological environment evaluation method provided by an embodiment of the present application; Figure 3 is an implementation flowchart of steps S200, S400, S410 and S450 in the ecological environment evaluation method provided by an embodiment of the present application; Figure 4 is an implementation flowchart of steps S300 and S500 in the ecological environment evaluation method provided by an embodiment of the present application; Figure 5 is a structural schematic diagram of an ecological environment evaluation device provided by an embodiment of the present application; Figure 6 is a structural schematic diagram of an ecological environment evaluation device provided by an embodiment of the present application. DETAILED DESCRIPTION

[0023] In the following description, specific details are set forth in order to provide a thorough understanding of embodiments of the present application. However, persons of ordinary skill in the art will readily recognize that embodiments of the present application can be practiced without these specific details. In other instances, well-known structures, devices, circuits, and methods have not been described in detail in order to avoid obscuring the present application.

[0024] It should be understood that, when used in the present application specification and the appended claims, the term "comprising" indicates the presence of the described features, whole, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, whole, steps, operations, elements, components and / or sets thereof.

[0025] It should also be understood that the term "and / or" used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0026] As used in the specification and the appended claims of the application, the term "if' can be interpreted as meaning "when" or "upon" or "in response to a determination" or "in response to a detection" depending on the context. Similarly, the phrase "if it is determined" or "if [the described condition or event] is detected" can be interpreted as meaning "upon determining" or "in response to a determining" or "upon detecting [the described condition or event]" or "in response to a detecting [the described condition or event]" depending on the context.

[0027] In addition, in the description of the application and the appended claims, the terms "first", "second", "third", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0028] Reference in the specification to "one embodiment" or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. The appearances of the phrases "in one embodiment", "in some embodiments", "in other embodiments", "in additional embodiments", etc. in various places in the specification are not necessarily all referring to the same embodiment, although they can. The terms "comprising", "including", "having" and their variants mean "including but not limited to", unless otherwise expressly specified.

[0029] In the related art, satellite remote sensing technology is generally used to obtain information on vegetation coverage and water distribution on a large scale and quickly, and periodic monitoring is generally carried out on a weekly or monthly basis. Or, through ground sensors, air temperature and humidity, soil moisture, etc. are collected in real time to achieve continuous and uninterrupted monitoring. Or, manual field sampling and monitoring are used, in which professional personnel periodically collect samples such as water samples, soil samples, and atmospheric particulate matter samples at monitoring points, and then take them back to the laboratory for analysis and determination.

[0030] However, the inventors have found that the monitoring of the ecological environment generally uses a uniform or fixed monitoring frequency, which leads to unreasonable allocation of monitoring resources and cannot effectively capture environmental changes in key areas. In the absence of reasonable monitoring frequency support, the prior art cannot accurately and comprehensively obtain information on the affected environment, making it difficult to discover ecological environment problems in a timely manner and accurately grasp the trend of ecological environment changes, resulting in inaccurate evaluation of the quality of the ecological environment, which may miss key areas or expand the evaluation range, increasing unnecessary workload and cost. Therefore, the existing ecological environment evaluation method has the problem of inaccurate evaluation of the area in the ecological environment that needs to be evaluated due to the unreasonable monitoring frequency of the ecological environment.

[0031] To solve the above problems, the embodiment of the present application provides an ecological environment assessment method and system. In the method, the control device obtains monitoring information of a plurality of sub-monitoring areas divided according to ecological functions in a to-be-assessed area through a plurality of environment monitoring devices; determines monitoring frequencies of the sub-monitoring areas according to the monitoring information; controls the environment monitoring devices to monitor environmental impact information of at least one sub-monitoring area according to the monitoring frequencies; determines an assessment area according to the environmental impact information; and performs ecological environment quality assessment on the assessment area based on the environmental impact information to obtain an assessment result. Therefore, the ecological environment assessment method provided by the embodiment of the present application dynamically adjusts the monitoring frequencies according to the monitoring information of the sub-monitoring areas, so that the monitoring work can adapt to environmental changes in different areas and at different times, the timeliness and accuracy of the monitoring data can be improved, and the change trend of environmental problems can be found in time to provide more timely and effective information for environmental management and governance. By obtaining detailed environmental impact information and determining the assessment area, the assessment result reflecting the damage responsibility proportion of each pollution source is finally obtained, and by reasonably determining the monitoring frequencies and accurately defining the assessment area, the optimal allocation of monitoring resources and assessment resources is facilitated, the waste and repeated investment of resources are avoided, the resource utilization efficiency is improved, the cost of environmental management and governance is reduced under the premise of ensuring the monitoring and assessment quality.

[0032] The ecological environment assessment method provided by the embodiment of the present application can be applied to an ecological environment assessment device, and the ecological environment assessment device is the execution subject of the ecological environment assessment method provided by the embodiment of the present application. The embodiment of the present application does not limit the specific type of the ecological environment assessment device.

[0033] For example, the ecological environment assessment device includes a control device and a plurality of environment monitoring devices in communication connection with the control device. The environment monitoring device can include a sensor module including sensors of a plurality of monitoring points in a sub-monitoring area, for example, air quality sensors (such as particulate matter sensors, electrochemical sensors, etc.), water quality sensors (such as pH value sensors, dissolved oxygen sensors, etc.), etc.; a data acquisition and processing module that collects raw data transmitted by the sensors of each monitoring point in the sensor module and performs preliminary processing such as data filtering, calibration, etc., and stores the processed data; a communication module for transmitting the processed data to the control device; a power module and a positioning module, etc., but not limited thereto. The control device can be a tablet computer, a notebook computer, an ultra-mobile personal computer (UMPC), a netbook, a desktop computer, a laptop computer, a handheld computing device, etc., but not limited thereto.

[0034] In order to better understand the ecological environment assessment method provided by the embodiments of the present application, the specific implementation process of the ecological environment assessment method provided by the embodiments of the present application is exemplarily introduced below.

[0035] Figure 1 A schematic flowchart of the ecological environment assessment method provided by the embodiments of the present application is shown, and the ecological environment assessment method comprises: S100, the control device obtains monitoring information of a plurality of sub-monitoring areas obtained by dividing the to-be-evaluated area according to ecological functions through a plurality of environment monitoring devices. The monitoring information comprises the number of continuous monitoring times or the continuous monitoring time length of the sub-monitoring area reaching a preset quality standard, and the plurality of environment monitoring devices correspond to each sub-monitoring area one by one.

[0036] It can be understood that the preset quality standard can be the standard value of each environmental index (such as PM2.5, chemical oxygen demand, etc.) of each sub-monitoring area in the to-be-evaluated area according to the environmental quality standard promulgated by the state or the place, or the preset quality standard of each sub-monitoring area in the to-be-evaluated area can be obtained according to the historical monitoring data of each sub-monitoring area in the to-be-evaluated area and the set environmental improvement target.

[0037] Exemplarily, the to-be-evaluated area can be divided into a plurality of sub-monitoring areas according to the ecological environment (such as terrain, topography, vegetation type, hydrological characteristics, etc.) and functional areas (such as industrial areas, agricultural areas, residential areas, nature reserves, etc.) of the to-be-evaluated area, for example, in mountainous areas, different sub-areas are divided according to altitude, and the plurality of sub-monitoring areas are further divided in combination with the functional area planning of each sub-area.

[0038] Exemplarily, after the to-be-evaluated area is divided into a plurality of sub-monitoring areas according to ecological functions, the control device of the ecological environment assessment device can obtain the monitoring information of the plurality of sub-monitoring areas through the plurality of environment monitoring devices.

[0039] Through the above step S100, the to-be-evaluated area is divided into a plurality of sub-monitoring areas according to the influence and demand of different functional areas on each type of ecological environment, which facilitates targeted monitoring of the environmental quality status of each sub-monitoring area and quickly locates the sub-monitoring area with problems.

[0040] S200, determining the monitoring frequency of each sub-monitoring area according to each monitoring information. The monitoring frequency refers to the frequency of the environment monitoring device performing a plurality of data collection.

[0041] It can be understood that the monitoring frequency refers to the frequency of the environment monitoring device performing a plurality of data collection according to the ecological environment of the corresponding sub-monitoring area and the corresponding functional area. For example, for air quality monitoring, the PM2.5 concentration value is recorded every hour; for water quality monitoring, the chemical oxygen demand concentration value is recorded every day.

[0042] Exemplarily, the monitoring frequency of each sub-monitoring area can be determined according to the ecological environment and the function area to which the sub-monitoring area belongs and the corresponding monitoring information. For example, if the number of continuous monitoring or the length of continuous monitoring of the sub-monitoring area reaching the preset quality standard exceeds a corresponding first threshold, the monitoring frequency of the sub-monitoring area is reduced; if the number of continuous monitoring or the length of continuous monitoring of the sub-monitoring area reaching the preset quality standard exceeds a corresponding second threshold, the monitoring frequency of the sub-monitoring area is increased; wherein the first threshold and the second threshold are determined according to the ecological environment and the function area to which the sub-monitoring area belongs.

[0043] S300, controlling the environmental monitoring device to monitor the environmental impact information of at least one sub-monitoring area according to the monitoring frequency. The environmental impact information includes pollution type, occurrence time, impact range and impact degree.

[0044] It can be understood that each environmental monitoring device has a corresponding initial frequency when monitoring. After determining the monitoring frequency, the initial frequency is adjusted to the corresponding monitoring frequency, and the environmental monitoring device is controlled to monitor the monitoring data of each sub-monitoring area according to the monitoring frequency. The environmental impact information of at least one sub-monitoring area is determined based on the monitoring data of each sub-monitoring area.

[0045] Exemplarily, the environmental monitoring device can perform multiple data collection to obtain monitoring data according to the adjusted monitoring frequency. The monitoring data includes pollutant concentration (for example, gas pollutant concentration, water quality index such as chemical oxygen demand, etc.), position coordinates, etc. By analyzing the collected monitoring data, the environmental impact information of the sub-monitoring area where pollution exists is determined. According to the comparison of the pollutant concentration in the monitoring data with the concentration standard value of different pollutants, it can be judged whether there is an exceeding standard situation, so as to obtain the pollution type of the environmental impact information; the time when the pollutant concentration in the monitoring data starts to exceed the standard is the occurrence time in the environmental impact information; the range of the area where the pollutant concentration exceeds the standard is determined by the monitoring data of multiple monitoring points, which is the impact range in the environmental impact information; the impact degree in the environmental impact information is obtained according to the degree of exceeding the standard of the pollutant concentration, for example, the impact degree is the pollutant concentration, or the difference between the pollutant concentration and the corresponding concentration standard value.

[0046] S400, determining an evaluation area according to the environmental impact information. The evaluation area includes an area where the environment has been affected and / or an area to be affected. The area where the environment has been affected and the area to be affected are each one of the sub-monitoring areas.

[0047] It can be understood that the evaluation area includes one or more areas where the environment has been affected, and / or one or more areas to be affected.

[0048] Exemplarily, the area affected by the environment can be determined according to the environmental impact information. The historical environmental impact information is obtained according to historical monitoring data. The area affected by the environment in a first time period and the area affected by the environment in a second time period after the first time period (i.e. the area to be affected by the environment) are obtained according to the historical environmental impact information. A prediction model (trained according to the historical environmental impact information) is established by using a machine learning algorithm (such as random forest, support vector machine, etc.). The environmental impact information of the area affected by the environment is input into the prediction model to obtain the area to be affected by the environment.

[0049] S500, ecological environment quality assessment of the evaluation area is performed based on the environmental impact information to obtain an evaluation result. The evaluation result is used to reflect the damage responsibility proportion of each pollution source.

[0050] Exemplarily, the extreme value position or extreme value clustering area of the impact degree value (such as the concentration of pollutants) can be obtained according to the impact degree of the environmental impact information, each pollution source is determined, the impact range of each pollution source is determined according to the environmental impact information, the proportion of the impact range of each pollution source to the entire evaluation area is calculated, the weight of the impact range of each pollution source is obtained according to the ecological sensitivity of each sub-monitoring area, the damage responsibility proportion of each pollution source is calculated by weighting and normalizing the proportion of the impact range of each pollution source to the entire evaluation area, and the damage responsibility proportion is stored in the database, such as Figure 2

[0051] In one possible implementation, please refer to Figure 3 S200, the monitoring frequency of each sub-monitoring area is determined according to each monitoring information, including: S210, the pollution risk coefficient of the first sub-monitoring area is obtained according to the monitoring information of all adjacent sub-monitoring areas of the first sub-monitoring area and the monitoring information of the first sub-monitoring area. The first sub-monitoring area is any one of the plurality of sub-monitoring areas.

[0052] It can be understood that the adjacent sub-monitoring area not only refers to the adjacent position of each sub-monitoring area and the first sub-monitoring area, but also includes the ecological environment connection of each sub-monitoring area and the first sub-monitoring area.

[0053] ​Exemplarily, the boundary data of each sub-monitoring region can be obtained by geographic information system (GIS) technology, the boundary distance between each sub-monitoring region is calculated, and when the boundary distance between the first sub-monitoring region and a certain sub-monitoring region is less than a preset threshold (such as 500 m), the sub-monitoring region is determined as a neighboring sub-monitoring region of the first sub-monitoring region. Alternatively, if the first sub-monitoring region and a certain sub-monitoring region have a mutual influence relationship in ecological function, for example, the water source of the sub-monitoring region flows into the first sub-monitoring region, and the like, it is determined that the ecological environment is connected, and the sub-monitoring region is a neighboring sub-monitoring region of the first sub-monitoring region.

[0054] Exemplarily, the pollution risk coefficient of the first sub-monitoring region can be calculated according to the monitoring information of all neighboring sub-monitoring regions of the first sub-monitoring region and the monitoring information of the first sub-monitoring region. For example, the comprehensive pollution index P = a C + b T of each sub-monitoring region is calculated, where a and b are weight coefficients, C is the number of continuous over-standard times, and T is the continuous over-standard duration; and the pollution risk coefficient R = P self + , W i = w i P i , where P self is the comprehensive pollution index of the first sub-monitoring region, P i is the comprehensive pollution index of the neighboring sub-monitoring region i, and w i is the weight of the neighboring sub-monitoring region i (which can be obtained according to a distance decay function).

[0055] S220, the initial frequency of monitoring the first sub-monitoring region is adjusted according to the pollution risk coefficient to obtain the monitoring frequency.

[0056] Exemplarily, the pollution risk coefficient can be divided into different intervals, each interval corresponds to a different adjustment multiple, and the initial frequency of monitoring the first sub-monitoring region is adjusted according to the adjustment multiple to obtain the monitoring frequency. For example, the initial monitoring frequency is f0 (such as once a day), when the pollution risk coefficient R < 2, the monitoring frequency is adjusted to f = 0.8 x f0 (i.e. the monitoring frequency is reduced); when 2 ≤ R < 4, the initial monitoring frequency is maintained f = f0; and when R ≥ 4, the monitoring frequency is adjusted to f = 1.5 x f0 (i.e. the monitoring frequency is increased).

[0057] In the prior art, the whole ecological environment is often monitored by using a unified monitoring frequency, without fully considering the mutual influence between different regions of the ecological environment and the pollution risk difference of each region itself, resulting in low monitoring efficiency: for a region with good environmental quality and low pollution risk, using too high monitoring frequency will waste human, material and financial resources; and for a region with high pollution risk and fast environmental change, too low monitoring frequency cannot timely capture environmental change information, and cannot provide timely and effective support for environmental management and decision-making. Through the above steps S210 to S220, the adjacent sub-monitoring regions are determined by comprehensively considering the position adjacency and ecological function connectivity factors, and the pollution risk coefficient of the first sub-monitoring region is calculated by using the monitoring information of these regions, which can more comprehensively and accurately evaluate the pollution risk of a region. According to the pollution risk coefficient, the monitoring frequency is dynamically adjusted, for a region with low pollution risk, the monitoring frequency is reduced to save monitoring cost; for a region with high pollution risk, the monitoring frequency is increased to obtain environmental change information in time, thereby improving the utilization efficiency of overall monitoring resources, and better tracking the propagation and diffusion process of pollutants, and discovering potential pollution problems in time.

[0058] In a possible implementation, please refer to Figure 3 S400, determining an evaluation region according to the environmental impact information, comprising: S410, obtaining an initial region according to the environmental impact information. The initial region refers to a region within the influence range of the environmental impact information.

[0059] Exemplarily, the initial region can be directly obtained according to the influence range of the environmental impact information of each sub-monitoring region by using a geographic information system (GIS) technology.

[0060] S420, determining the connectivity index between each sub-monitoring region according to the ecological function and the corresponding pollution risk coefficient of each sub-monitoring region.

[0061] Exemplarily, whether each sub-monitoring region is connected can be determined according to the ecological function between each sub-monitoring region to obtain a first connectivity factor, and the connectivity index between each sub-monitoring region can be calculated according to the first connectivity factor between each sub-monitoring region and the corresponding pollution risk coefficient. For example, the connectivity index between the sub-monitoring region i and the sub-monitoring region j is: ij L ij = w1xF ij + w2xR ij , ij wherein, F i is the first connectivity factor between the sub-monitoring region i and the sub-monitoring region j, R j is the pollution risk coefficient of the sub-monitoring region i and the pollution risk coefficient of the sub-monitoring region j.calculating a second connectivity factor R between the sub-monitoring area i and the sub-monitoring area j ij = min(R i , R j ) / max(R i , R j ), w1 and w2 are weight coefficients.

[0062] S430, calculating a spatial gradient of the influence degree of the initial area environmental influence information.

[0063] Exemplarily, the initial area can be divided into several small grid units, and the pollutant concentration (used to measure the influence degree of the grid unit) of the center point of the grid unit is estimated according to the monitoring data of each monitoring point using an interpolation method (such as Kriging interpolation method). For each grid unit, the difference between the influence degrees of the grid unit and the adjacent grid unit is calculated and divided by the distance between the center points of the two grid units to obtain the spatial gradient of the grid unit in different directions.

[0064] S440, obtaining a diffusion speed according to the spatial gradient and the connectivity index. The diffusion speed is used to reflect the propagation speed of the environmental pollution in space.

[0065] It can be understood that the diffusion speed is used to reflect the change in size and direction of the propagation speed of the environmental pollution in space.

[0066] Exemplarily, the size of the diffusion speed can be calculated according to the size of the spatial gradient and the connectivity index, the direction of the diffusion speed can be determined according to the components of the spatial gradient on the x-axis, the y-axis and the z-axis, and the direction of the diffusion speed is opposite to the direction of the spatial gradient.

[0067] S450, generating a candidate area corresponding to the initial area according to the diffusion speed. The candidate area refers to the area in the to-be-evaluated area that is affected by the initial area and is likely to be polluted.

[0068] Exemplarily, a time step Δt can be set, and the distance of the pollutant diffusion in each time step can be calculated according to the diffusion speed and the time step. Starting from the boundary sub-monitoring area of the initial area, the diffusion speed direction and size are used to diffuse a certain distance in each time step, and the diffusion is stopped when the time reaches the corresponding threshold value or the pollutant concentration is lowered to the corresponding threshold value, and the area passed in the diffusion process is determined as the candidate area.

[0069] S460, obtaining an evaluation area according to the initial area and the candidate area.

[0070] Exemplarily, all the sub-monitoring areas involved in the initial area can be determined as the area in which the environment has been affected, all the sub-monitoring areas involved in the candidate area can be determined as the area in which the environment will be affected, and the evaluation area is obtained by merging.

[0071] Through the steps S410 to S460, the propagation process of the environmental pollution in the space can be dynamically simulated, the diffusion trend and speed of the pollution can be reflected in real time, the pollution risk coefficient The interaction between different ecological function areas and the influence on the pollution propagation are fully considered, the evaluation area is determined by step-by-step screening, and the problems of high cost and low efficiency of comprehensive monitoring and evaluation on the whole to-be-evaluated area are avoided.

[0072] Optionally, referring to Figure 3 , S410, obtaining an initial area according to the environmental impact information, including: S411, clustering the environmental impact information to obtain a center position.

[0073] Exemplarily, a plurality of pieces of environmental impact information can be classified according to the pollution types of the environmental impact information, the K-means clustering algorithm is used to cluster the environmental impact information of the same pollution type to obtain a plurality of center positions. A plurality of positions corresponding to the environmental impact information of the same pollution type can be obtained according to the influence range and influence degree of the environmental impact information, the K value is determined by the elbow rule, each position is input into the K-means clustering algorithm, K initial center points are randomly selected, then each position is assigned to the cluster represented by the center point closest to it, the center point of each cluster is recalculated, the above assignment and recalculation of the center point are repeated until the center point no longer changes or a preset iteration number is reached, after the clustering is completed, each cluster represents an area in which the environmental impact is relatively concentrated, and the center position of the cluster can be determined by calculating the average value of the coordinates of all data points in the cluster.

[0074] S412, determining the initial area according to the influence range in the environmental impact information and the center position.

[0075] It can be understood that there are a plurality of center positions and a plurality of initial areas, and the center position and the initial area correspond to each other in one-to-one manner.

[0076] Exemplarily, a planar area, i.e., the initial area, can be obtained by taking the center position as the center and the longest straight line distance of the influence range in the environmental impact information corresponding to the center position as the radius.

[0077] Through the steps S411 to S412, the clustering algorithm is used to cluster the environmental impact information, the areas with similar environmental impact characteristics are gathered together, the areas in which the environmental impact is relatively concentrated are accurately found, and the initial area is quickly obtained.

[0078] Optionally, refer to Figure 3 S450, generating a candidate region corresponding to the initial region according to the diffusion speed, including: S451, generating an initial position set according to the initial region. The initial position set refers to a position set from which the center position of the candidate region is selected.

[0079] Exemplarily, the sampling interval in the horizontal direction and the vertical direction can be set in the initial region, and the initial position set is obtained by sampling the grid points according to the interval.

[0080] S452, calculating the displacement offset of the initial position set according to the diffusion speed.

[0081] Exemplarily, for each position in the initial position set, the displacement offset in the x direction, the y direction and the z direction is calculated according to the diffusion speed and the diffusion time.

[0082] S453, assigning weights to each position in the initial position set according to the spatial gradient of the influence degree of the environmental influence information corresponding to the initial position set.

[0083] Exemplarily, the influence degree of each position in the initial position set on the environment can be determined according to the spatial gradient of the influence degree of the environmental influence information, and weights are assigned to each position, for example, the weights are linearly assigned according to the size of the influence degree.

[0084] S454, position resampling the initial position set to obtain a first position set according to the weights.

[0085] Exemplarily, the roulette selection method, the rejection sampling method and the like can be used to resample the positions of the initial position set to obtain the first position set according to the weights, for example, for each position, the proportion of the weight in the total weight is calculated as the selection probability of the position in the roulette, a random number is generated, and the position is selected as the position in the first position set according to which interval the random number falls in. According to the above method, the roulette selection is performed on all positions in the initial position set until a sufficient number of positions are obtained to form the first position set.

[0086] S455, obtaining a candidate region according to the first position set.

[0087] Exemplarily, a convex hull based merging algorithm can be used to perform convex hull calculation on all positions in the first position set to obtain a polygon region as the candidate region.

[0088] By the steps S451-S455, the initial position set is generated by position sampling according to the initial region, blind sampling in a wide region is avoided, sampling can be more concentrated in the region where important environmental features may exist, sampling efficiency is improved, and sampling cost is reduced. The displacement offset of the initial position set is calculated according to the diffusion speed, the dynamic change process of the environmental influence can be simulated, so that the sampling position can better reflect the distribution of the environmental influence in different time and space, and the accuracy of the sampling result is improved. The weight of each position of the initial position set is assigned according to the spatial gradient of the influence degree of the environmental influence information, the position with important environmental features can be highlighted, and these important positions have a greater probability of being selected in the position resampling process, so that the first position set can better represent the key region of the environmental influence.

[0089] Optionally, referring to Figure 3 , S450, generating a candidate region corresponding to the initial region according to the diffusion speed, comprising: S4501, in a case where it is determined that the ecological function of the to-be-evaluated region is single and the existing pollution type is single, determining a sliding path according to the diffusion speed. The sliding path refers to a path in which the initial region moves according to the diffusion speed.

[0090] Exemplarily, the sliding step (Ds) can be calculated according to the diffusion speed (v) and the time interval (Dt), for example, Ds = v x Dt, wherein the time interval can be determined according to the monitoring frequency. Starting from the position of the initial region, the initial region is moved gradually according to the initial direction of the diffusion speed and the calculated sliding step, and the position of each moving point is recorded. These position points are connected to form the sliding path. The diffusion speed can be obtained according to the diffusion model suitable for the single pollution type, for example, the Gaussian plume model can be used for atmospheric pollutant diffusion; for water pollutant diffusion, a one-dimensional or two-dimensional convection-diffusion model can be used.

[0091] S4502, determining the sliding window region covered by the sliding window moved according to the sliding path as the candidate region.

[0092] Exemplarily, the size and shape of the initial region can be determined as the size and shape of the sliding window, and the sliding window region covered by the sliding window moved according to the sliding path can be determined as the candidate region. If there is a terrain obstacle (such as a mountain, a building) on the sliding path, the shape of the sliding window can be adjusted to avoid it.

[0093] Through the steps S4501-S4502, since the ecological function is single and the pollution type is single, the method can be evaluated for specific pollution characteristics and ecological functions, avoiding unnecessary complex calculation and analysis. At the same time, the candidate area is gradually covered in a sliding window manner, reducing the amount of data processing and improving the efficiency of evaluation. The environmental impact information is determined according to the monitoring data obtained in real time according to the monitoring frequency, and the size and sliding step of the sliding window are flexibly adjusted according to the environmental impact information and the monitoring frequency, which is beneficial to be applied to different scales and complexity of the to-be-evaluated area.

[0094] In a possible implementation, please refer to Figure 3 S200, determining the monitoring frequency of each sub-monitoring area according to each monitoring information, comprising: S201, in the case that the first sub-monitoring area meets the condition that the number of continuous monitoring reaches the maximum number of continuous monitoring or the duration of continuous monitoring reaches the maximum duration of continuous monitoring, reducing the initial frequency of the first sub-monitoring area and obtaining the monitoring frequency.

[0095] Exemplarily, in the case that the first sub-monitoring area meets the condition that the number of continuous monitoring reaches the maximum number of continuous monitoring or the duration of continuous monitoring reaches the maximum duration of continuous monitoring, the initial frequency of the first sub-monitoring area can be reduced by a certain proportion to obtain the monitoring frequency, such as monitoring frequency f=k×f0, wherein f0 is the initial frequency, and k is the reduction ratio (0

[0096] Through the step S201, by reducing the monitoring frequency when a certain condition is met, the use time of the monitoring device and the amount of data acquisition, transmission and processing are reduced. The limited monitoring resources are concentrated for monitoring in the key period and the key area, so that the monitoring is more targeted, which is beneficial to improve the overall monitoring efficiency and the effectiveness and utilization value of the monitoring data.

[0097] In a possible implementation, please refer to Figure 4 S300, controlling the environmental monitoring device to monitor the environmental impact information of at least one sub-monitoring area according to each monitoring frequency, comprising: S310, obtaining the basic state information of each sub-monitoring area. The basic state information is used to reflect the reference environmental state of each sub-monitoring area.

[0098] For example, historical monitoring data of the area to be assessed can be obtained, and basic status information of each sub-monitoring area can be determined based on the historical monitoring data. The basic status information may include water quality indicators (such as pH value, dissolved oxygen (DO), chemical oxygen demand (COD), ammonia nitrogen (NH3-N) etc.) and air quality indicators (such as PM2.5, PM10, sulfur dioxide (SO2), nitrogen oxides (NOx) etc.). x )wait).

[0099] S320 controls environmental monitoring equipment to monitor the actual status information of the corresponding sub-monitoring areas according to each monitoring frequency.

[0100] It is understandable that the actual state information is used to reflect the actual environmental state of each sub-monitoring area at the current monitoring time. For example, environmental monitoring equipment can be controlled to collect monitoring data for corresponding sub-monitoring areas according to each monitoring frequency, and the corresponding actual status information can be obtained based on the monitoring data of each sub-monitoring area. The actual status information may include water quality indicators and air quality indicators.

[0101] S330 compares each actual state information with the corresponding basic state information to obtain the environmental data difference.

[0102] For example, the environmental data differences can be calculated by comparing each actual state information with the corresponding basic state information.

[0103] S340, environmental impact information is obtained based on the spatial distribution of differences in environmental data.

[0104] For example, it can be determined whether the environmental data differences at each monitoring point exceed the corresponding difference threshold, and the pollution type and occurrence time of the environmental impact information can be obtained. The scope of the environmental impact information of each sub-monitoring area and the degree of impact at each location in each sub-monitoring area can be determined based on the spatial distribution of the environmental data differences that exceed the corresponding difference threshold.

[0105] By completing steps S310 to S340 above, acquiring basic and actual status information of each sub-monitoring area, and conducting detailed comparisons and spatial analyses, it is helpful to promptly detect abnormal environmental changes and quickly locate the area and extent of environmental problems.

[0106] In one possible implementation, please refer to Figure 4 S500, based on environmental impact information, conducts an ecological environment quality assessment of the assessment area, obtaining assessment results, including: S510: Spatial interpolation of the assessment area based on environmental impact information yields environmental quality distribution information.

[0107] Exemplarily, according to the influence degree of each monitoring point in the environmental impact information of each sub-monitoring area on the environmental quality, the environmental impact information of different pollution types can be respectively subjected to inverse distance weighted interpolation, Kriging interpolation or spline interpolation and the like to obtain the corresponding environmental quality distribution information by spatial interpolation on the evaluation area.

[0108] In S520, the damage responsibility proportion of each pollution source is obtained according to the environmental quality distribution information.

[0109] Exemplarily, according to the influence degree of each location in the evaluation area in the environmental quality distribution information, the location of each pollution source can be obtained by using Mean Shift or DBSCAN to locate the high-value cluster center, the influence degree contour line can be drawn according to the environmental quality distribution information, the influence range of each pollution source can be determined according to the location of each pollution source and the influence degree contour line, the first weight of each sub-monitoring area can be obtained according to the ecological function of each sub-monitoring area and the ecological sensitivity of each sub-monitoring area, the second weight of each pollution source can be obtained according to the influence range of each pollution source and the first weight of each sub-monitoring area, and the damage responsibility proportion of each pollution source can be calculated according to the influence range of each pollution source and the corresponding second weight.

[0110] Through the above steps S510 to S520, the environmental quality distribution information obtained by spatial interpolation can intuitively show the spatial variation of the environmental quality in the evaluation area, and the positioning of the pollution source and the division of the damage responsibility can provide a scientific basis for formulating targeted pollution control measures and allocating environmental governance resources.

[0111] It should be understood that the size of the serial number of each step in the above embodiment does not mean the order of execution, and the execution order of each process should be determined according to its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0112] Corresponding to the ecological environment evaluation method described in the above embodiment, the embodiments of the present application also provide an ecological environment evaluation device, and each module of the device can realize each step of the ecological environment evaluation method. Figure 5 The structural block diagram of the ecological environment evaluation device provided by the embodiments of the present application is shown, and only the parts related to the embodiments of the present application are shown for ease of illustration.

[0113] Referring to Figure 5 The system comprises: The acquisition module is configured to acquire, by the control device, monitoring information of a plurality of sub-monitoring areas divided according to ecological functions in a to-be-evaluated area through a plurality of environmental monitoring devices; wherein the monitoring information comprises a continuous monitoring time or a continuous monitoring time length of a sub-monitoring area reaching a preset quality standard, and the plurality of environmental monitoring devices correspond to the sub-monitoring areas one by one. The monitoring frequency module is used to determine the monitoring frequency of each sub-monitoring area based on the monitoring information provided; wherein, the monitoring frequency refers to the frequency at which the environmental monitoring equipment collects multiple data. An environmental impact information module is used to control the environmental monitoring equipment to monitor the environmental impact information of at least one sub-monitoring area according to the monitoring frequencies; wherein, the environmental impact information includes pollution type, occurrence time, impact range, and impact degree; An assessment area module is used to determine an assessment area based on the environmental impact information; wherein, the assessment area includes areas where the environment has been affected and / or areas that will be affected, and the areas where the environment has been affected and the areas that will be affected are both one of the sub-monitoring areas; The assessment results module is used to assess the ecological and environmental quality of the assessment area based on the environmental impact information and obtain assessment results; wherein, the assessment results are used to reflect the proportion of damage liability of each pollution source.

[0114] It should be noted that the information interaction and execution process between the above modules are based on the same concept as the method embodiments of this application. For details on their specific functions and technical effects, please refer to the method embodiments section, which will not be repeated here.

[0115] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional units and modules is merely an example. In practical applications, the above functions can be assigned to different functional units and modules as needed, that is, the internal structure of the system can be divided into different functional units or modules to complete all or part of the functions described above. The functional units and modules in the embodiments can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit. Furthermore, the specific names of the functional units and modules are only for easy differentiation and are not intended to limit the scope of protection of this application. The specific working process of the units and modules in the above system can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0116] This application also provides an ecological environment assessment device. Figure 6 This is a schematic diagram of the structure of an ecological environment assessment device provided in one embodiment of this application. Figure 6 As shown, the ecological environment assessment device 6 of this embodiment includes: at least one processor 60 ( Figure 6 Only one is shown in the image), at least one memory 61 ( Figure 6The ecological environment assessment device 6 only shows one of the above-mentioned embodiments, and the computer program 62 stored in the at least one memory 61 and executable on the at least one processor 60, so that the processor 60 executes the computer program 62 to implement the steps in any of the above-mentioned ecological environment assessment method embodiments, or to implement the functions of each module / unit in the above-mentioned device embodiments.

[0117] For example, the computer program 62 can be divided into one or more modules / units stored in the memory 61 and executed by the processor 60 to complete the present application. The one or more modules / units can be a series of computer program instruction segments capable of completing a specific function, which are used to describe the execution process of the computer program 62 in the ecological environment assessment device 6.

[0118] The ecological environment assessment device 6 includes a control device and a plurality of environment monitoring devices connected to the control device, wherein the control device can be a desktop computer, a notebook computer, a palm computer, a cloud server and the like. The ecological environment assessment device can include, but is not limited to, a processor 60 and a memory 61. Those skilled in the art can understand that, Figure 6 The ecological environment assessment device 6 is only an example and does not constitute a limitation on the ecological environment assessment device 6, and can include more or fewer components than shown, or combine certain components, or different components, for example, can also include input / output devices, network access devices, buses and the like.

[0119] The processor 60 can be a central processing unit (CPU), and the processor 60 can also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor.

[0120] The memory 61 can be an internal storage unit of the ecological environment assessment device 6 in some embodiments, for example, a hard disk or a memory of the ecological environment assessment device 6. The memory 61 can also be an external storage device of the ecological environment assessment device 6 in other embodiments, for example, a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. equipped on the ecological environment assessment device 6. Further, the memory 61 can include both the internal storage unit and the external storage device of the ecological environment assessment device 6. The memory 61 is used to store an operating system, an application program, a boot loader, data, and other programs, for example, program codes of the computer program, etc. The memory 61 can also be used to temporarily store data that has been output or will be output.

[0121] The embodiments of the present application further provide a computer readable storage medium, which stores a computer program. The computer program is executed by a processor to implement the steps in any of the above method embodiments.

[0122] The embodiments of the present application provide a computer program product. When the computer program product is run on an ecological environment assessment device, the ecological environment assessment device implements the steps in any of the above method embodiments.

[0123] The integrated unit, if implemented in the form of a software function unit and sold or used as an independent product, can be stored in a computer readable storage medium. Based on such understanding, the embodiments of the present application implement all or part of the processes in the above method embodiments, which can be completed by instructing related hardware through a computer program. The computer program can be stored in a computer readable storage medium. When the computer program is executed by a processor, the steps of the above method embodiments can be implemented. The computer program includes computer program code, which can be in the form of source code, object code, executable files, or some intermediate forms. The computer readable medium at least includes any entity or device capable of carrying the computer program code to the ecological environment assessment device, a recording medium, a computer memory, a read-only memory (ROM), a random access memory (RAM), an electrical carrier signal, a telecommunications signal, and a software distribution medium. For example, a U disk, a mobile hard disk, a magnetic disk or an optical disk, etc.

[0124] In the above embodiments, the description of each embodiment focuses on different aspects, and the parts not described or recorded in a certain embodiment can be referred to the relevant description of other embodiments.

[0125] Those skilled in the art can understand that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be realized by electronic hardware or a combination of computer software and electronic hardware. Whether the functions are realized in hardware or software depends on the specific application and design constraints of the technical solution. The skilled person can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0126] In the embodiments provided in the present application, it should be understood that the disclosed ecological environment assessment device and method can be implemented in other ways. For example, the ecological environment assessment device embodiments described above are only schematic, for example, the division of the modules or units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interface, device or unit, and can be electrical, mechanical or other forms.

[0127] The units described as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on a plurality of network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiments.

[0128] The above described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. An ecological environment assessment method, characterized in that, The method is applied to an ecological environment assessment device, and the ecological environment assessment device comprises a control device and a plurality of environment monitoring devices connected to the control device; the method comprises: The control device acquires monitoring information of a plurality of sub-monitoring areas divided according to ecological functions of a region to be assessed by the plurality of environment monitoring devices; wherein the monitoring information comprises a continuous monitoring frequency or a continuous monitoring time length of a sub-monitoring area reaching a preset quality standard, and the plurality of environment monitoring devices correspond to the sub-monitoring areas one by one; A monitoring frequency of each sub-monitoring area is determined according to the monitoring information; wherein the monitoring frequency refers to a frequency of the environment monitoring device performing a plurality of data acquisitions; Environment impact information of at least one sub-monitoring area is monitored by the environment monitoring device according to the monitoring frequency; wherein the environment impact information comprises a pollution type, an occurrence time, an impact range and an impact degree; An assessment region is determined according to the environment impact information; wherein the assessment region comprises a region that has been affected by the environment and / or a region that will be affected by the environment, and the region that has been affected by the environment and the region that will be affected by the environment are each one of the sub-monitoring areas; An ecological environment quality of the assessment region is assessed based on the environment impact information to obtain an assessment result; wherein the assessment result is used to reflect a damage responsibility proportion of each pollution source.

2. The ecological environment assessment method according to claim 1, wherein, The monitoring frequency of each sub-monitoring area is determined according to the monitoring information, comprising: A pollution risk coefficient of a first sub-monitoring area is obtained according to the monitoring information of all adjacent sub-monitoring areas of the first sub-monitoring area and the monitoring information of the first sub-monitoring area; wherein the first sub-monitoring area is any one of the plurality of sub-monitoring areas; An initial frequency of monitoring the first sub-monitoring area is adjusted according to the pollution risk coefficient to obtain the monitoring frequency.

3. The ecological environment assessment method according to claim 2, wherein, The assessment region is determined according to the environment impact information, comprising: An initial region is obtained according to the environment impact information; wherein the initial region refers to a region within an impact range of the environment impact information; A connectivity index between the sub-monitoring areas is determined according to ecological functions of the sub-monitoring areas and corresponding pollution risk coefficients; A spatial gradient of the impact degree of the environment impact information in the initial region is calculated; A diffusion speed is obtained according to the spatial gradient and the connectivity index; wherein the diffusion speed is used to reflect a propagation speed of environmental pollution in space; A candidate region corresponding to the initial region is generated according to the diffusion speed; wherein the candidate region refers to a region in the region to be assessed that is likely to be polluted due to the influence of the initial region; The assessment region is obtained according to the initial region and the candidate region.

4. The ecological environment assessment method according to claim 3, wherein, The initial region is obtained according to the environment impact information, comprising: A center position is obtained by clustering the environment impact information; The initial region is determined according to an impact range in the environment impact information and the center position.

5. The ecological environment assessment method according to claim 3, wherein, The candidate region corresponding to the initial region is generated according to the diffusion speed, comprising: generating an initial position set according to the initial region; wherein the initial position set refers to a position set from which a center position of the candidate region is selected; calculating a displacement offset of the initial position set according to the diffusion velocity; assigning a weight to each position of the initial position set according to a spatial gradient of an influence degree of the environmental influence information corresponding to the initial position set; performing position resampling on the initial position set according to the weight to obtain a first position set; obtaining the candidate region according to the first position set.

6. The ecological environment assessment method according to claim 3, wherein, The candidate region corresponding to the initial region is generated according to the diffusion velocity, including: In a case where it is determined that the ecological function of the to-be-evaluated region is single and the type of pollution existing is single, a sliding path is determined according to the diffusion velocity; wherein the sliding path refers to a path according to which the initial region moves at the diffusion velocity; a sliding window region covered by movement according to the sliding path is determined as the candidate region.

7. The ecological environment assessment method according to claim 2, wherein, The monitoring frequency of each sub-monitoring region is determined according to each monitoring information, including: In a case where the first sub-monitoring region satisfies that the continuous monitoring times reach the maximum continuous monitoring times or the continuous monitoring duration reaches the maximum continuous monitoring duration, the initial frequency of the first sub-monitoring region is reduced, and the monitoring frequency is obtained.

8. The ecological environment assessment method according to claim 1, wherein, The environmental monitoring device is controlled to monitor environmental influence information of at least one sub-monitoring region according to each monitoring frequency, including: obtaining basic state information of each sub-monitoring region; wherein the basic state information is used to reflect a benchmark environmental state of each sub-monitoring region; controlling the environmental monitoring device to monitor actual state information of a corresponding sub-monitoring region according to each monitoring frequency; comparing each actual state information with corresponding basic state information to obtain environmental data differences; obtaining the environmental influence information according to a spatial distribution of the environmental data differences.

9. The ecological environment assessment method according to claim 1, wherein, The ecological environment quality of the evaluation region is evaluated based on the environmental influence information to obtain an evaluation result, including: spatially interpolating the evaluation region according to the environmental influence information to obtain environmental quality distribution information; obtaining a damage responsibility proportion of each pollution source according to the environmental quality distribution information.

10. An ecological environment assessment system characterized by comprising: The system is applied to an ecological environment evaluation device, and the ecological environment evaluation device includes a control device and a plurality of environmental monitoring devices in communication connection with the control device; the system includes: an acquisition module, configured to acquire, by the control device through a plurality of environmental monitoring devices, monitoring information of a plurality of sub-monitoring regions obtained by dividing a to-be-evaluated region according to ecological functions; wherein the monitoring information includes continuous monitoring times or continuous monitoring duration of a sub-monitoring region reaching a preset quality standard, and the plurality of environmental monitoring devices correspond one-to-one to the sub-monitoring regions; a monitoring frequency module, configured to determine a monitoring frequency of each sub-monitoring region according to each monitoring information; wherein the monitoring frequency refers to a frequency of performing a plurality of data collection by the environmental monitoring device. An environmental impact information module is configured to control the environmental monitoring device to monitor environmental impact information of at least one sub-monitoring area according to each monitoring frequency; wherein the environmental impact information comprises a pollution type, an occurrence time, an impact range, and an impact degree; An evaluation area module is configured to determine an evaluation area according to the environmental impact information; wherein the evaluation area comprises an area that has been affected and / or an area that will be affected, and each of the area that has been affected and the area that will be affected is one of the sub-monitoring areas; An evaluation result module is configured to perform ecological environment quality evaluation on the evaluation area based on the environmental impact information to obtain an evaluation result; wherein the evaluation result is used to reflect a damage liability proportion of each pollution source.

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