16 results about "Environmental change" patented technology

The invention discloses an agricultural environment monitoring method and system based on the Internet of Things, and relates to the field of agriculture, and the method comprises the steps: obtaining target environment parameters of a target region, the target environment parameters comprising a temperature parameter, a humidity parameter, an illumination parameter, an air quality parameter and a soil moisture parameter; calculating an environment change rate according to the target environment parameter, wherein the environment change rate is a ratio of an absolute value of a difference value between environment parameters at a current moment and an environment parameter at a previous moment to a time interval between the two moments; analyzing a historical target environment parameter set of the target area to carry out environment change prediction, and generating a first threshold value and a second threshold value of an environment change rate; and adjusting the collection frequency of the environmental parameters of the target area in combination with the first threshold value, the second threshold value and the environmental change rate. According to the invention, the problems of high energy consumption, data redundancy or untimely monitoring caused by fixed acquisition frequency in the prior art are solved.

The invention discloses a river ecological water demand multi-scale dynamic evaluation method considering environmental changes. Comprising the following steps: acquiring historical runoff data of a target river reach, and taking a sequence minimum value as low water runoff of the period; periodically identifying the low water runoff time sequence, performing correlation analysis, drawing a periodic diagram, selecting three periods with the highest correlation as main periods, and constructing a time periodic function; constructing a candidate model and estimating parameters; selecting an optimal model to calculate the dynamic ecological flow, and calculating the traditional ecological flow based on a time-invariant model; performing high-low judgment on the investigation period to obtain a high-low criterion, and combining the high-low criterion, the dynamic ecological flow and the traditional ecological flow to generate a recommendation threshold value; and respectively executing each step on a plurality of scales of year, season and month, and outputting a recommendation threshold value of the corresponding scale. A dynamic model is combined with a traditional fixed value to generate a recommendation threshold value, so that the scientific frontier of the method is ensured, and the feasibility and robustness of management decision are enhanced.

The invention discloses a glacier melt water resource cooperative regulation and ecological restoration system and method, and belongs to the technical field of water conservancy projects and ecological restoration. The system comprises a distributed dynamic sensing network used for acquiring multi-source environment data in a drainage basin; the multi-agent collaborative decision-making module is used for carrying out collaborative decision-making by utilizing a deep reinforcement learning agent, carrying out global multi-objective optimization through a central coordinator and generating a collaborative regulation and control instruction; the self-adaptive execution and feedback adjustment module is used for executing the instruction and collecting feedback data; and the system self-evolution learning module continuously optimizes the decision strategy based on experience playback and offline training. According to the method, intelligent coordinated regulation and dynamic optimization of glacier melt water diversion, groundwater recharge and vegetation irrigation are realized; the water resource utilization efficiency, the recharge precision and the vegetation recovery effect are effectively improved, and the system has the adaptation and evolution capacity for coping with environmental changes.

The invention discloses a natural wetland restoration method and system based on plant community adaptability adjustment, and aims to improve the wetland restoration effect through optimization adjustment of a plant community structure. The method comprises the following steps: acquiring baseline data (such as geographical environment, plant community, hydrological condition and pollution condition) of a target natural wetland, and constructing a physical model based on the data; environment change simulation is carried out, the adaptability of plant communities is evaluated, and ecological function indexes are determined; adjusting a plant community structure according to an evaluation result, and formulating an adjustment scheme; wetland restoration is implemented, and a monitoring system is established; and obtaining a restoration effect in real time through a monitoring system, and optimizing a plant community structure adjustment scheme. According to the method, adaptability evaluation and monitoring feedback are combined, the ecological function of the wetland can be continuously improved, and the method is widely suitable for restoration and ecological restoration of the natural wetland and has high application value.

The invention discloses a runoff change attribution analysis method based on a Boudike framework, and belongs to the technical field of hydrology, water resource and environment change analysis. The runoff change attribution analysis method comprises the following steps: obtaining annual scale hydrology sequences of a target drainage basin in a reference period and a change period; based on the annual scale hydrological sequences of the reference period and the change period, combining a Bedike equation, and adopting a decomposition method or an elastic coefficient method to quantitatively separate the total runoff variation of the target drainage basin into runoff variation caused by climate change and runoff variation caused by human activity; calculating the contribution rate of the climatic change and the human activity to the total runoff change of the target drainage basin based on the runoff change caused by the climatic change and the runoff change caused by the human activity, and taking the contribution rate as a runoff change attribution analysis result; wherein the Buddy equation is used for describing the physical relationship among the actual evapotranspiration, the precipitation and the potential evapotranspiration of the target drainage basin. The method has both physical mechanism clarity and calculation efficiency, and can effectively reduce parameter calibration complexity and data dependence.

The invention discloses a road domain scale traffic infrastructure ecological benefit improvement quantitative evaluation method, and belongs to the crossing field of traffic engineering and ecological informatics. According to the method, acquisition of ecological environment changes before and after road construction is taken as a research object, and multi-source ecological environment data such as vegetation, soil, weather, habitat quality and landscape pattern of a road influence area and a contrast area are acquired; an integrated evaluation index system is constructed from three dimensions of a land resource occupation reduction rate, an ecological function improvement rate and a landscape pattern optimization rate; by comparing a traditional construction scene with an ecological optimization road scene, the net ecological effect improvement amount generated by ecological engineering measures is quantitatively calculated. The method overcomes the defects that an existing evaluation method neglects positive benefits, is extensive in scale and is single in index, achieves the precise, quantitative and integrated benefit evaluation of the whole process of linear traffic engineering such as roads and railways from source avoidance to function improvement, and provides core technical support for ecological design and decision making.

1. Name of the product in this design: Millimeter-wave cooperative infrared detector. 2. Purpose of this design: To monitor the activity, health status, and environmental changes of rare poultry in order to improve breeding efficiency and safety. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses an induction temperature control adjusting device based on environmental changes, and belongs to the technical field of petrochemical engineering. The device comprises a partition environment induction and execution subsystem, a core controller, a main temperature control system and a main coordinator. The outer surface of a petrochemical container is divided into a plurality of independent control areas, and each area is provided with an environment sensing unit integrated with a miniature anemometer, a sunlight sensor and a surface temperature sensor, and execution mechanisms such as an automatic wind shield and an electric tracing band, so that real-time monitoring of microenvironment parameters is realized. The core controller is internally provided with a transient heat conduction model and can predict material temperature changes and generate control signals, and the partition executing mechanism is driven to conduct pre-compensation on environment thermal disturbance. And the main coordinator coordinates the operation of the main temperature control system according to the material temperature. The problems that a traditional temperature control system is lagged in response and uneven in control are solved, and accurate temperature control, energy conservation, consumption reduction and equipment safety protection are achieved.

This invention relates to the field of environmental monitoring technology and discloses a method, device, equipment, medium, and product for early warning of water environment changes. The method includes: acquiring multiple sets of environmental indicators for the area to be monitored; calculating the importance weight of each environmental indicator based on the measurement data of each environmental indicator in each set; calculating health index data for different sets of environmental indicators based on the measurement data of each environmental indicator and the importance weight of each environmental indicator; determining the comprehensive environmental health index of the area to be monitored and the health index intervals corresponding to different health states based on the health index data; and determining the health state of the area to be monitored based on the health index interval to which the comprehensive environmental health index belongs. This invention involves planting plants and collecting environmentally relevant data from the plants for analysis, thereby comprehensively calculating the current environmental health state based on the health index of each set of data.

The present application relates to the technical field of environment detection, and relates to a digital aquaculture environment monitoring method and system, wherein the method comprises: continuously collecting underwater images, dissolved oxygen concentration and turbidity, and segmenting the underwater images to obtain water area images; obtaining a plurality of color moments of the water area images, the plurality of color moments comprising a first moment, a second moment and a third moment, and obtaining a plurality of color features of each color moment; constructing a gray level co-occurrence matrix according to the water area images; calculating a risk score; and performing early warning according to the risk score. The present application dynamically reflects the influence of environmental changes by calculating the risk score through standardized weighted summation, thereby improving the adaptability and flexibility of aquaculture environment management.

The invention relates to the technical field of disinfection control, and discloses a self-adaptive environmental change disinfection system and method.The system comprises a disinfection demand analysis module, a disinfection control module, a disinfection verification module, a re-disinfection module and a disinfection verification module, environmental data is compared with an environmental disinfection threshold value, and a disinfection demand grade is obtained; determining a disinfectant release rate and action time corresponding to the disinfection demand grade to obtain a control instruction; generating disinfection verification data of the space according to the bacteria concentration data and the volatile organic compound concentration data in the space after the disinfection operation is completed; when the disinfection verification data exceeds an environment safety threshold value, feeding back real-time environment data in the disinfection verification data to obtain the fed-back disinfection verification data, and generating a disinfection completion report of the space based on the fed-back disinfection verification data; when the disinfection verification data is in an environment safety threshold, generating a disinfection completion report of the space; according to the invention, the disinfection efficiency can be improved.

[Problem] The present invention addresses the problem of providing a culture device capable of managing the culturing environment of a plurality of culture vessels in a single culture chamber, suppressing an environmental change as much as possible, and rapidly performing restoration associated with environmental change inside the culture chamber. [Solution] A culture device comprises: a single culture chamber in which the environment (indicating gas concentration, temperature, humidity, and other atmospheres, and the same applies hereinafter) is maintained suitable for culturing; and an optical unit for observing an object to be cultured. The culture chamber has a drawer that allows access to culture vessels placed inside the culture chamber.

This invention belongs to the field of ecological environment construction technology, specifically disclosing a method and system for constructing mammal ecological corridors in urban green space systems. The method includes: planning a corridor base containing peak paths and buffer chambers based on multi-source spatiotemporal data, and configuring functional vegetation; using phenologically matched trigger plants to attract animals along peak paths, and using responder vegetation in buffer chambers to respond to environmental disturbances and increase density to form dynamic barriers. Simultaneously, an adaptive operation system composed of a sensor network, edge computing nodes, and a cloud platform is deployed: edge nodes perceive animal wandering behavior in real time and drive audio-visual devices for flexible guidance; the cloud platform analyzes long-term performance data and automatically generates and executes adaptive management schemes for the corridor. This invention achieves real-time proactive guidance of animal behavior and adaptive management of environmental changes in the corridor, improving the actual effectiveness and intelligent management level of the ecological corridor.

This application relates to a wetland aquatic ecosystem restoration system and method, particularly in the field of wetland aquatic ecosystem restoration. The wetland aquatic ecosystem restoration system includes a surface flow zone, a vertical subsurface flow zone, and a transition zone. The surface flow zone contains a simulated river channel planted with aquatic plants. The vertical subsurface flow zone contains a packing bed planted with shade-tolerant aquatic plants. A geomembrane is laid beneath the packing bed, and permeable pipes are laid horizontally at intervals within the packing bed. These permeable pipes are connected to a main permeable pipe, which has at least two outlet pipes at its outlet end. One of these outlet pipes is equipped with a pump station and leads to the inlet end of the surface flow zone. The transition zone is located between the surface flow zone and the vertical subsurface flow zone. A gate is installed in the transition zone, with one end connected to the simulated river channel and the other end leading to the packing bed. Each gate is equipped with a flow guiding component for adjusting the flow direction and velocity. This application offers the advantages of high restoration efficiency and resistance to environmental changes.

A technique for detecting an environmental change to a delivery zone via an unmanned aerial vehicle includes obtaining an anchor image and an evaluation image, each representative of the delivery zone, providing the anchor image and the evaluation image to a machine learning model to determine an embedding score associated with a distance between representations of the anchor image and the evaluation image within an embedding space, and determining an occurrence of the environmental change to the delivery zone when the embedding score is greater than a threshold value.