239 results about "Land resources" patented technology

The invention relates to the technical field of land resource monitoring, in particular to a land resource dynamic monitoring and early warning method and system based on multi-source remote sensing data fusion, and the method comprises the steps: employing an unmanned plane to periodically collect optical images, SAR echoes and LiDAR point clouds, constructing a ground three-dimensional digital model, and carrying out the land parcel division; performing fusion to form a multi-dimensional feature vector, establishing an LSTM land parcel feature evolution model, and predicting a change rate interval of each feature in a current period based on a historical sequence; constructing a time sequence difference change detection algorithm, calculating a land parcel change rate, and screening potential abnormal land parcels by taking a prediction interval as an anomaly judgment threshold value; a double-branch convolutional neural network is adopted to identify crop states, growth stages and construction violation behaviors, abnormity is judged and determined, and confidence is given; spatial clustering is carried out on determined abnormal land parcels, accurate boundaries are obtained in combination with a three-dimensional model, multi-level early warning information is generated, and the decision-making efficiency and response speed of land resource monitoring are improved.

The invention relates to an intelligent monitoring method and system for unused land based on a full-process closed-loop supervision mechanism, and relates to the technical field of land resource management.The method comprises the steps that a task database is established by means of obtained land related data, image spot extraction is conducted on all images in the database through a change detection model, and image spots are obtained; the method comprises the following steps: extracting pattern spots, performing a series of processing such as optimization, checking and superposition on the extracted pattern spots to obtain data fusion pattern spots, processing the data fusion pattern spots through grading and time identification to obtain graded pattern spots, finally inputting the graded pattern spots into an established system of a full-process closed-loop supervision mechanism, and performing interpretation in the system through each monitoring module. And result backflow updating and intelligent monitoring processing are performed based on the interpretation result, so that the processing precision and efficiency of the monitored pattern spots are effectively improved, the land change condition is comprehensively tracked, and the problem of insufficient timeliness and accuracy of land supervision in the prior art is solved by combining active interpretation supervision.

The invention relates to the technical field of municipal planning, in particular to a BIM + GIS-based municipal underground pipe network intelligent planning and conflict avoidance system and method, and the system comprises a BIM-GIS data fusion module which is used for integrating a BIM model and GIS topographic data; the construction process association module is used for analyzing the construction plan to generate a dynamic construction progress table, and constructing a directed graph based on the spatial position relationship of each construction unit in the BIM model; the conflict prediction and avoidance module is used for calculating the space conflict probability of the temporary pipe network and the permanent pipe network in real time in combination with the directed graph and GIS topographic data; the land-saving optimization module is used for carrying out iterative optimization on the temporary pipe network layout through a genetic algorithm based on GIS topographic data and construction area boundary constraints so as to minimize the total length and the occupied area of the temporary pipe network; and the dynamic visualization interaction module is used for providing a three-dimensional BIM-GIS fusion view. According to the method, management and control from static design to dynamic construction are achieved, and the scientificity of underground pipe network planning and the land resource utilization efficiency are improved.

The invention provides an engineering investigation surveying and mapping intelligent management method and system based on a geographic feature processing technology. The method comprises the following steps: acquiring building distribution density, ground gradient and underground rock stratum distribution data of a target area, deploying a ground deformation monitoring radar at a selected position based on the building density and the rock stratum data, generating ground deformation data through radar images, and then separating ground subsidence change and original terrain characteristics to form a subsidence map; meanwhile, image reflection characteristics are analyzed to mark dangerous areas. And then integrating the ground gradient, the settlement trend and the rock stratum structure complexity to construct a land bearing evaluation model. The influence weight is further adjusted in combination with engineering requirements, and a bearing force evaluation result is generated after the model is input. Therefore, a scientific three-dimensional development planning scheme is generated, and optimized utilization and risk management and control of land resources are realized. According to the invention, through multi-source data fusion and model calculation, full-process analysis from land deformation monitoring to load bearing evaluation is realized.

The invention relates to the technical field of resource accounting, and discloses a dynamic index accounting system for displacement of cultivated land resources and forest land resources. The system comprises a resource data acquisition unit for acquiring spatial distribution data of cultivated land resources, types and coverage data of forest land resources and replacement constraint condition data and performing space-time alignment to generate a resource multi-dimensional data set; the replacement index accounting unit is used for executing resource adaptability reconstruction processing based on the resource multi-dimensional data set and separating target resource data from abnormal resource data; the replacement scheme generation unit is used for generating an accounting result containing a replacement area, a weight and a priority by combining a preset replacement rate and a development rate; and the dynamic correction unit is used for identifying an exception type based on the exception resource data and correcting an accounting result in real time. The system can comprehensively capture resource dynamics, improves the accuracy and timeliness of replacement accounting, and adapts to complex resource management requirements.

The invention relates to the technical field of remote sensing surveying and mapping marks, in particular to a remote sensing surveying and mapping target device for land resource surveying and mapping. Comprising a base and an arc-shaped plate hinged to the edge of the lower surface of the base through a hinge block. The end part of the arc-shaped plate is vertically connected with a fan-shaped end cover; a cylindrical storage cavity is defined by the four arc-shaped plates, the four end covers and the lower surface of the base; the inner sides of every two adjacent arc-shaped plates are connected through a sub-target piece. The four sub-target sheets are combined into a whole target sheet after the four arc-shaped plates are unfolded; a fan-shaped groove is eccentrically formed in the base in a penetrating manner; a fan-shaped shielding groove communicated with the fan-shaped groove is formed in the base; according to the target device, the whole target sheet is adhered with the powdery pigment, and the color of the powdery pigment is the color which has the largest contrast with the surrounding environment, so that the whole target sheet in the target device is more prominent at the marked position, subsequent surveying and mapping are facilitated, the subsequent surveying and mapping precision is improved, and the situation of missing measurement is avoided.

The invention discloses a land information acquisition method and system. The method comprises the following steps: acquiring multi-source heterogeneous land data of a target area; carrying out ground feature extraction on the multi-resolution remote sensing image, generating a digital elevation model for laser point cloud data, and carrying out space-time registration and fusion processing to generate a multi-modal land feature map; generating a standardized land attribute data set based on the multi-modal land characteristic spectrum; analyzing the standardized land attribute data set by using a time sequence change detection model, and outputting a land dynamic change monitoring report; and according to the land dynamic change monitoring report, a land resource optimization configuration scheme is generated through a multi-dimensional constraint optimization algorithm, and a dam area site selection suggestion conforming to centralized contiguous and gradient constraint is output. According to the embodiment of the invention, integrated processing of land information from accurate perception to intelligent decision can be realized, and the automation degree, precision and decision scientificity of land resource analysis are improved.

The invention relates to the technical field of photovoltaic power generation system optimization, in particular to a multi-objective collaborative optimization photovoltaic dip angle determination method, which comprises the following steps of: calculating solar radiation intensity received by a photovoltaic module based on a sun trajectory algorithm by collecting resource data, engineering parameters, terrain correction parameters and economic parameters; the assembly spacing and the land utilization rate are optimized in combination with full-time shadow analysis, and the minimum value of the occupied area is determined; a dynamic weight distribution strategy is adopted, factors such as power generation capacity, land rent and operation cost are coupled to calculate annual income, and the optimal photovoltaic dip angle is solved through a segmented iterative algorithm with the purpose of maximizing the total investment internal return rate (IRR). According to the method, collaborative optimization of land resource utilization and economic benefits can be realized, and a scientific dip angle decision basis is provided for photovoltaic projects with different land costs and topographic conditions.

The environment-friendly natural burial equipment is used for loading the departed saint and comprises a bearing device and a coffin, the coffin is detachably installed on the bearing device, a containing space capable of containing at least one departed saint is formed in the coffin, and the coffin is of a hollow structure and can integrally sink into water. According to the environment-friendly natural burial equipment, original burial and cremation are replaced with a water burial mode, environment friendliness is achieved, and waste of land resources is reduced.

The invention relates to the cross technical field of land resource management and information technology, in particular to a land management system and method based on a GIS system and big data analysis, and the system comprises a data layer, a support layer and an application layer. The data layer comprises a multi-source data collection module and a GIS spatial database; the support layer comprises a big data processing engine, a GIS analysis tool set and a machine learning modeling platform, the application layer comprises an intelligent supervision module, a planning auxiliary module and a decision support module, and the system is suitable for intelligent management and decision support of land resource investigation, planning, protection and development of a full life cycle.

The invention discloses a land comprehensive improvement quality evaluation method and system based on big data, relates to the technical field of land resource management, and solves the problem of lack of effective quantification means for more critical ecosystem function indexes. The invention discloses a land comprehensive improvement quality evaluation method and system based on big data. The method comprises the steps that a remote sensing image module and an optical image module are used for collecting image data of soil surface vegetation; uploading the acquired image data to a cloud platform through a data network, and establishing a soil surface vegetation optical evaluation index database; the carbon dioxide monitoring module and the oxygen monitoring module are used for monitoring the carbon dioxide concentration and oxygen near the vegetation on the soil surface in real time. According to the method, a soil surface vegetation carbon sequestration evaluation index database is established to calculate vegetation net primary productivity, biomass and carbon utilization efficiency, the vegetation net primary productivity, biomass and carbon utilization efficiency are summarized through a software program, and an ecological quality comprehensive index of soil surface vegetation is given.

This utility model belongs to the field of vehicle parking technology, and in particular, a vertical automatic parking device. Addressing the problem that existing technologies often involve flat parking, which occupies a large area and wastes land resources, the following solution is proposed: It includes a housing and a control box, which is fixedly connected to the left side of the housing. In this utility model: A first hydraulic rod is controlled to move a support frame. The support frame, in conjunction with a guide plate, guides the vehicle to the top of the support plate. When the vehicle reaches a suitable height, a second hydraulic rod is activated. This second hydraulic rod controls the movement of the support plate via a horizontal plate. At this point, the right side of the sliding plate contacts the left side of the contact plate, restricting the movement of the support plate. By adding a support plate on top of the movable plate, the vehicle is automatically parked vertically.

The invention discloses a land resource planning management method and platform based on space-time big data, and relates to the technical field of land resource planning management, and the method comprises the steps: obtaining multi-source space-time big data, land reserve state variables and land actual supply data in a planning region, and carrying out the space-time weighted fusion of the multi-source space-time big data, constructing a flow space sensing matrix, and extracting a land demand feedforward operator from the flow space sensing matrix; based on the land demand feedforward operator and the land reserve state variable, generating an estimated land demand quantity, and performing difference operation on the estimated land demand quantity and the actual land supply data to generate reserve regulation and control deviation data; the method has the beneficial effects that the land vacancy rate is obviously reduced while the land price is ensured to be stable.

The invention discloses an underground sewage in-situ permeable reaction treatment method. An adopted in-situ permeable reaction combination comprises a plain concrete bottom layer (13) and a reaction material groove, wherein the plain concrete bottom layer (13) is laid at the bottom of a pit after the pit is excavated, and the reaction material groove is constructed on the plain concrete bottom layer (13) and filled with a water treatment reaction material (1). A water incoming direction filter layer (4) is arranged on the left side of the water incoming surface structure (2), and a water draining direction inverted filter layer (5) is arranged on the lower part of the right side of the water draining surface structure (3); the water coming surface structure (2) and the water draining surface structure (3) respectively penetrate through the upper permeable layer (ni) from top to bottom and extend into the lower impermeable layer (m); and a filter bag (7) is arranged on the outer side of a water inlet of the water inlet pipe (6). According to the invention, sewage treatment is realized in the process that the underground water flow direction and the water flow environment are not changed and the underground water body flows similar to natural flow, so that land resources are saved, the environmental influence is reduced, and the underground sewage does not need to be pumped, transported and treated by a treatment station.

This application provides a land assessment method, system, electronic device, and computer-readable storage medium, relating to the field of land assessment technology. The land assessment method includes: acquiring multiple candidate evaluation indicators for a target area, and actual changes in saline-alkali land in the target area over historical periods; based on correlation analysis between the candidate evaluation indicators and the actual changes in saline-alkali land, selecting key evaluation indicators from the candidate indicators, determining the weights of the key evaluation indicators, and the membership functions of each key evaluation indicator; based on the weights and membership functions, calculating the suitability index of each assessment unit within the target area, and classifying suitability levels according to the suitability index to obtain the suitability assessment results. This results in a continuous index and level classification map that reflects the relative suitability of different geographic spatial units for agricultural development, providing an intuitive and comparable decision-making basis for the differentiated and refined development of land resources.

The present application relates to the technical field of geographic information system, and more particularly to a kind of city land planning analysis method and system based on GIS, by integrating remote sensing, historical planning, mobile terminal and social media data, construct multi-scale spatiotemporal cube model, generate standardized city temporary land data, adopt adaptive feature extraction to identify temporary land, establish hierarchical classification system, and monitor abnormal change through time series model, construct the association diagram of temporary land and city function network, analyze interactive relationship, finally propose differentiated city planning optimization suggestion, help city land resource efficient allocation and management, by fusing multi-source data, realize the multidimensional cognition of space, time, function and relationship, fundamentally improve the understanding depth of temporary land.

The invention discloses a light-emitting plant ecological light supplement system for a photovoltaic power station. The system is composed of a double-sided photovoltaic module array, a light-emitting plant zone planted below the modules and a special plant light-emitting compound. The core of the plant luminescent compound is that the plant luminescent compound is formed by compounding a long afterglow luminescent base material, a plant nutrient component and a natural insect repelling component, and is attached to the surfaces of stems and leaves of suitable plants in a spraying manner. In the daytime, the compound stores light energy and nourishes the plants; and at night, soft green light is released to provide safety guidance for the field area. According to the system, idle land resources are creatively converted into zero-energy-consumption illumination assets, synergistic interaction of night inspection safety, biodiversity improvement and unique night landscape shaping is achieved, meanwhile, healthy growth of plant carriers is guaranteed through the composite design of materials, and the system is suitable for being popularized and applied. And an innovative solution is provided for ecological and intelligent construction of the photovoltaic power station.

The invention relates to the technical field of soil utilization, and discloses a soil stripping and recycling system and method, soil quality analysis is carried out before soil stripping, so that soil stripping and recycling are carried out, and the system comprises a stripping determination module, a storage determination module and an earthwork balance module. The method corresponds to the system. According to the method, dynamic parameters such as terrain gradient and transportation loss are acquired in real time, and the effective stripped earth volume is accurately calculated in combination with a soil quality analysis result; the storage area determination module monitors the slope stability in real time through a tilt angle sensor, dynamically adjusts stacking parameters, and maximizes the utilization of the storage space while guaranteeing the safety; the earthwork balance module realizes collaborative optimization of static planning and dynamic response based on dynamic stripping and storage data, and intelligently deploys earthwork resources; therefore, a safe and efficient soil recycling technical scheme based on data is formed, and a new solution is provided for land resource protection and ecological restoration.

The invention discloses a photovoltaic base biomass energy plant selection method and application thereof, and aims to solve the problem of land resource shortage in current thermal power plant energy transformation and renewable energy utilization based on the condition of combination of photovoltaic power generation vegetation lacking and energy plant planting. The feasibility of ecological restoration and biomass energy plant production by planting energy plants in a photovoltaic base is researched, a model plant screening standard is established by indexes such as strong stress resistance, drought tolerance, shade tolerance, carbon content and cellulose content, and the growth performance, self population update and influence of perennial energy plants on the photovoltaic base are investigated. The interaction mechanism between the photovoltaic base and crops is analyzed, the improvement effect of different planting modes on the land production efficiency is analyzed, the growth effect of different plants is evaluated, the optimal configuration scheme of energy plants planted in the photovoltaic base is determined, and an efficient photovoltaic-agricultural comprehensive utilization mode is constructed. The double improvement of economic benefits and ecological benefits is realized.

The utility model provides a land surveying device, which relates to the technical field of land resource surveying and mapping and comprises a stable bottom plate and a stable structure. A supporting vertical rod is fixedly connected to the top of the stable bottom plate, a stable structure is arranged on the outer side of the supporting vertical rod, the stable structure comprises three sets of assembling angle blocks arranged on the outer side of the supporting vertical rod, butt joint screw holes are formed in the opposite ends of the assembling angle blocks, and assembling bolts are installed in the butt joint screw holes; the clamping bottom blocks are fixedly connected to the bottoms of the assembling angle blocks, connecting clamping grooves are formed in the inner side walls of the clamping bottom blocks, connecting clamping rings are fixedly connected to the outer sides of the supporting vertical rods, and the connecting clamping rings are arranged on the inner sides of the connecting clamping grooves; through the arrangement of the stable structure, measurement errors caused by inclination are effectively avoided, common factors generated by measurement deviation are fundamentally eliminated, the reliability of measurement data is guaranteed, meanwhile, the measurement process is smoother, repeated operation caused by unstable equipment is reduced, and the working efficiency is greatly improved.

The utility model relates to the technical field of land sample storage, and discloses a land resource project management sample storage device which comprises a storage device box, a cover plate and a handle, an adjusting mechanism is arranged on the storage device box, an auxiliary mechanism is arranged on the adjusting mechanism, the adjusting mechanism comprises a shifting piece, and the shifting piece is arranged on the cover plate. The shifting piece is slidably connected to the inner wall of the rear side of the storage device box, a compression spring is fixedly connected to the outer wall of the bottom of the shifting piece, an arc-shaped block is fixedly connected to the outer wall of the top of the shifting piece, a clamping opening is formed in the inner wall of the bottom of the cover plate, and a movable rod is hinged to the inner wall of the right side of the cover plate. According to the soil sample storage device, the interaction rod, the sliding frame and other structures are arranged, so that the problems that when a user takes a soil sample, an opening and closing cover plate on the storage device needs to be adjusted, and the opening and closing cover plate stretches into the storage device to search for the corresponding needed soil sample, operation is complex, and use by the user is inconvenient are solved.

1. Name of this design product: Public Notice Board (Land Resource Management). 2. Purpose of this design: This design is used to publicize land resource management information. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application belongs to the technical field of soil improvement, and provides a carbon sequestration and soil improvement agent based on iron tailings sand and a preparation method thereof, which comprises the following steps: S1, grinding the iron tailings sand by using a ball mill and sieving to obtain iron tailings powder, and drying to constant weight; drying the biomass material naturally, crushing by using a crusher, sieving, obtaining biomass material powder, and drying to constant weight again; S2, uniformly mixing the biomass material and the iron tailings sand according to different proportions; S3, preparing the iron tailings sand-biochar composite material by using a one-step pyrolysis method under a set temperature condition, and preparing the soil improvement agent. The application provides an effective recycling way for reasonably treating large iron tailings sand, reduces the occupation of land resources by the tailings sand and possible environmental pollution and safety hazards; on the other hand, the application realizes the utilization of waste biomass material, and makes a positive contribution to solving the problem of soil degradation, realizing sustainable utilization of resources and promoting sustainable development of agriculture.

The application discloses a risk assessment method and system for a high-risk area of land approval but non-supply, and belongs to the field of land resource management.The method is as follows: determining the plot classification results of a target area at each historical time point according to historical geospatial data of the target area; obtaining the supply-demand change trend of each plot type according to the plot classification results to calculate the demand intensity of each plot type at a current time point; taking the plots to be approved or approved but non-supplied in the target area at the current time point as first plots, and predicting the plot type evolution trend of the first plots according to the surrounding plot information of the first plots and the policy text data of the target area at each historical time point; and evaluating the risk of approval but non-supply of the target area according to the plot type evolution trend of each first plot and the demand intensity of each plot type at the current time point. The application can improve the accuracy of identifying the high-risk area of approval but non-supply.

The invention discloses a land resource surveying and mapping unmanned aerial vehicle rotary camera device which structurally comprises a main machine, a shooting assembly, propellers, a support and wings, the support and the wings are connected to the outside of the main machine, the shooting assembly is installed in the main machine, and the propellers are rotationally matched with the wings; a control assembly is arranged in the shooting assembly, and when the control assembly is matched with the protection frame and the rotating rod and the rotating rod is controlled by the rotating driving piece, the rotating rod can rotate in the middle of the protection frame, so that the smooth surface of the rotating rod can abut against the control assembly by means of force, the rotating rod can be freeze-locked and buffered, and reset assistance is provided for the rotating rod to drive the camera to perform positive and negative surveying and mapping; the requirement of field multi-angle back-and-forth adjustment can be met, and the territorial resource surveying and mapping capacity of the device is ensured.

This invention discloses a method for assessing urban land green efficiency based on cross-regional technology flow maps. The method acquires the technology input factors, technology output factors, and land input factors of the target city and its related cities through data collection and processing rules, forming a basic data set. Based on cross-regional technology association determination rules, it identifies the correspondence between different cities in terms of technology transfer, technology output, and technology absorption, generating a cross-regional technology flow map. Based on this map, it constructs a set of land green efficiency influencing factors. By introducing the impact of cross-regional technology flow into the correspondence between land input and output, it achieves a comprehensive assessment of the target city's land green efficiency. This invention can reflect the impact of cross-regional technology flow on urban land green utilization efficiency, improves the objectivity and comparability of assessment results, and is applicable to urban green development assessment and land resource management decision-making scenarios.

The invention provides an intelligent farm water quality management and regulation method, and relates to the technical field of ecological agriculture. The method comprises the following steps: dividing a planting area into a full-sunny area, a semi-shaded area and a full-shaded area according to daily average illumination intensity L, and configuring corresponding illumination adaptive plants; the poultry breeding house is divided into a brooding house, a breeding house and a fattening house according to the area ratio of 1: 2: 1.5; the planting area is provided with a slope terrain and a poultry area isolation belt; the net bed breeding system is connected with the manure scraping device and the underground fermentation tank. The output end of the fermentation tank is connected with the biogas combustion furnace. Plant requirements are accurately matched through illumination partition, and efficient utilization of land below the photovoltaic module is achieved; by combining poultry house function division and feces resource circulation, the unit area composite output rate is remarkably increased, the environmental pollution risk is reduced, and a systematic solution is provided for efficient utilization of land resources.

The application provides a method and device for soil microstructure dataset construction, and relates to the technical field of land resources and environment, and the method comprises the following steps: scanning a soil sample by using XCT to obtain a scanning image; generating a three-dimensional microstructure image of the soil based on the scanning data; extracting soil pore structure in the three-dimensional microstructure image of the soil, calculating soil pore related parameters based on the soil pore structure, and performing network analysis on the soil pore structure to generate network analysis related parameters of the soil pore structure; determining soil permeability according to the soil pore structure; generating a two-dimensional image stack based on the three-dimensional microstructure of the soil, and calculating soil morphological parameters and soil organic matter content based on the two-dimensional image stack. The three-dimensional microstructure of the soil is obtained by scanning through XCT, the soil microstructure dataset is generated based on the three-dimensional microstructure of the soil, and compared with the traditional soil structure research method, the application has the characteristics of nondestructive testing and high resolution.

The utility model relates to an unmanned plane technical field, concretely relates to a land and resources surveying and mapping unmanned plane rotation camera device, including unmanned plane main part, the bottom fixedly connected with connecting seat of unmanned plane main part, the bottom rotationally connected with connecting shell of connecting seat, the inside of connecting shell is equipped with camera, the outside of connecting seat is equipped with rainproof subassembly, the inside of connecting shell that is located camera's outside is equipped with protection subassembly, compares with current camera device, mechanical locking replaces traditional spring buckle, avoids unmanned plane vibration and leads to rain cover to fall off, and elastic rain cover is pasted connecting seat surface, effectively drains rainwater, protects camera from getting wet, and through the rotation block operation can complete fixed or release, and the maintenance is convenient, and electric telescopic link drive moving frame, drive moving block sliding, make guide rod push the protection plate open and close, close protection plate when not working, avoid camera and be impacted or dust pollution by external force.

The invention relates to the technical field of land resource management, and discloses a cultivated land-forest land dynamic monitoring and layout optimization system and method fusing multi-source data, and the system comprises a data layer, a fusion layer, a monitoring layer, an optimization layer and an application layer which are sequentially linked to form full-flow closed-loop management and control. The data layer is used for collecting multi-source data and completing standardized preprocessing; the fusion layer adopts a two-stage fusion strategy to eliminate data heterogeneity so as to generate a cultivated land-forest land comprehensive data set; the monitoring layer realizes cultivated land-forest land dynamic change real-time identification, quantitative measurement and relevance establishment based on a deep learning model; the optimization layer is used for constructing a multi-objective quantitative optimization model and establishing a dynamic updating mechanism to output a layout optimization scheme; and the application layer is used for providing visual display, decision support and early warning push functions. The problems that an existing algorithm is limited in scene adaptability and unsmooth in connection with actual application requirements are solved, monitoring accuracy and real-time performance are improved, and layout optimization is more universal and scientific.