50 results about "Dry land" patented technology

This invention discloses a method for softening water surface edges and a water system modeling method, belonging to the field of water system modeling technology. The method includes creating an edge-softening texture, with the following steps: calculating the texture size of the water surface; creating a Canvas; drawing the basic water surface outline; and layer-by-layer outlining: S41 Outlining: outlining the water surface outline with black; S42 Color Blending: after each layer of outlining, the black outlining of that layer is blended with the current background color, and the RGBA components of the blended color are calculated; the blended color is then used as the new background color for that area; S43 Repeating steps S141 and S42 until the color blending of the edgeBlur-1 layer is completed; converting the Canvas content into an image texture to generate the edge-softening texture. The advantage of this invention is that by creating an edge gradient texture, a natural transition between the water surface and land is achieved, effectively improving the integration of the water surface with other scene elements, significantly enhancing the realism and immersion of the water surface rendering, and providing a more comfortable and professional user experience.

This invention relates to the field of ecological dredging and sediment treatment technology, and discloses a lake and reservoir ecological sediment recycling treatment process, including the following steps: S1. Lake area cofferdam site selection: By predicting the dredging volume, a soil area with a wide water surface, suitable depth, and suitable for driving steel sheet piles is selected; S2. Construction of steel sheet pile cofferdam and three pools and two dams; S3. Sediment loading: Using a non-pumping backfilling method, overflow outlets are set up, and water overflows after sedimentation, and backfilling is carried out to the design capacity; S4. Dewatering: After the sediment loading area is full, it is converted into a dewatering area; S5. Excavation and transportation: After dewatering to meet standards, it is converted into an excavation and transportation area; S6. Regional recycling: After excavation, the area is leveled. This method breaks through the limitations of traditional onshore dewatering and waterborne vessel treatment, and innovatively adopts an in-situ treatment scheme using a lake center cofferdam. It does not require occupying shoreline or additional land space, fundamentally solving the industry pain points of shoreline scarcity and vessel operations constrained by water conditions.

The application provides a kind of marine methane in-situ online monitoring system and method, belongs to the detection technical field of matter or object.The system includes shore base platform, seabed base platform, transmission link and server;Shore base platform is deployed in near shore or land, and is connected to seabed base platform through transmission link;Seabed base platform is integrated with sensor group, for in-situ collection and data preprocessing of methane concentration and multiple environmental parameters in marine environment.Shore base platform communicates with server through communication module.The application collects methane data and multiple environmental parameters in-situ through seabed base platform, ensuring the accuracy of monitoring data;Further, seabed base platform obtains energy through shore base platform, solving the problem of insufficient equipment endurance, realizing long-term continuous monitoring of marine methane;At the same time, the whole system transmits collected data through transmission link and combines the communication of shore base platform and server, realizes instant data upload and remote monitoring, improves the timeliness of data acquisition.

The application provides a land ecosystem gross primary productivity determination method and system, and the method comprises the following steps: collecting historical eco-hydro-meteorological data and measured values of land ecosystem gross primary productivity in a research area; constructing a generalized water-energy complementary gross primary productivity model, wherein the generalized water-energy complementary gross primary productivity model comprises a comprehensive coordination index, an energy limitation correction parameter and an available water amount correction parameter, the water amount limitation reference productivity and the energy limitation reference productivity are nonlinearly coupled by the comprehensive coordination index, the energy limitation correction parameter and the available water amount correction parameter; calibrating the comprehensive coordination index, the energy limitation correction parameter and the available water amount correction parameter; inputting the to-be-calculated eco-hydro-meteorological data into the generalized water-energy complementary gross primary productivity model after parameter calibration, and obtaining the target land ecosystem gross primary productivity. The application improves the estimation accuracy of the gross primary productivity.

This invention relates to the field of endangered aquatic biological resource protection and aquaculture technology, specifically to an integrated method for the harvesting, transportation, and domestication of the wavy-lipped barb, comprising the following steps: S1, behavioral adaptation-based nocturnal dive-fishing and decompression: during the wavy-lipped barb's nocturnal dormancy period, the target fish are gently induced into a pressure-regulating container; the fish are then safely transported to the water surface; S2, multi-stage live-preservation transportation: the fish treated in S1 are first transported via a live-water vessel for rehabilitation at sea, and then smoothly transferred via a live-water truck on land; S3, gradient-adaptive artificial domestication; S4, live germplasm resource preservation. This invention ensures that wild wavy-lipped barbs receive physiological protection at each transfer point, maximizing the maintenance of their internal environmental homeostasis, thereby increasing the overall survival rate to nearly 100% and providing high-quality, healthy parent fish for subsequent artificial breeding.

This utility model discloses a tidal tank, including a main tank, an overflow connecting pipe, a bottom filtration system, and a water circulation system. The main tank is equipped with a partition plate dividing it into a water zone and at least one land zone. The land zone includes a tidal pool and an elevated filtration isolation layer. Above the elevated filtration isolation layer forms a land area isolated from the tidal pool, and below the elevated filtration isolation layer forms a water circulation zone. The inlet end of the overflow connecting pipe extends into the water zone and is below the water level, while the outlet end extends into the land zone and is above the tidal pool. The overflow connecting pipe is equipped with a control valve to control its opening and closing. The bottom filtration system is located below the main tank, and the water circulation system connects the bottom filtration system and the main tank. The water level in the aforementioned tidal tank does not fluctuate drastically with the tides, and the bottom filtration system requires less storage space, thus reducing its space occupancy.

The application relates to the technical field of agricultural intelligent equipment, and discloses a global multi-parameter integrated monitoring platform for mulberry pond fish ponds. The global multi-parameter integrated monitoring platform for mulberry pond fish ponds comprises an amphibious mobile chassis, a multi-parameter sensor array, a UAV cooperation module, an intelligent control system and a low-energy power system. Through amphibious design, multi-sensor fusion and air-ground cooperative operation, the problems of low monitoring efficiency and lagging disease early warning are solved. The platform has a land speed of 1.01 m / s, a water speed of 0.48 m / s, a monitoring error of less than or equal to 3%, and an operation efficiency improvement of 5-8 times. The platform is suitable for ecological agricultural intelligent management and has remarkable application value.

This application relates to the field of water storage analysis technology, and provides a method and related equipment for jointly inverting changes in terrestrial water storage. The method includes: acquiring a hydrological model and surface deformation data of a target area, and constructing basis functions for the target area; performing spherical harmonic analysis on the hydrological model to convert it into spherical harmonic coefficients; establishing a first observation equation between the spherical harmonic coefficients and the basis function coefficients, and establishing a second observation equation between the surface deformation data and the basis function coefficients; solving for the basis function coefficients based on the first and second observation equations to obtain the final coefficient vector of the basis functions; and calculating the change in terrestrial water storage in the target area based on the final coefficient vector and the basis functions. The method of this application can simultaneously improve the spatiotemporal resolution and accuracy of jointly inverting changes in terrestrial water storage.

The application discloses a kind of shore line fitting methods based on optimized Douglas-Puke algorithm, the method is through convolutional neural network to identify the type of pixel point in satellite remote sensing image corresponding to water area or land, and through the pixel point of type two superimposed to constitute original shore line.And identify important topographic features on shore line, and important topographic features are used as core to block shore line, then respectively use particle swarm optimization algorithm and fitness function to the candidate solution of Douglas-Puke algorithm threshold for each block of shore line Screening, and each candidate solution is used as threshold to obtain fitting result, with the characteristic similarity of fitting result and original shore line as the measuring standard, find the optimal value of each block, then the optimal value of all blocks is corresponding to the fitting result Pasting is used as final output result.The method of the application has high automation, effectively avoids the subjectivity of manual intervention and the contingency of random selection to the disturbance caused by final result.

This invention relates to a method, system, and product for extracting cyanobacteria regions from optical remote sensing images. The method includes: acquiring optical remote sensing images; constructing different types of background noise extraction index algorithms; the types of background noise include terrestrial green vegetation, water bodies, exposed land from roads and buildings, and remaining vegetation in water other than cyanobacteria; normalizing the background noise extraction index algorithms to generate normalized background noise extraction index algorithms; constructing a noise suppression and separation function based on the normalized background noise extraction index algorithms, and suppressing the background noise according to the noise suppression and separation function to separate cyanobacteria and the background noise, generating suppression and separation results; and extracting cyanobacteria regions from the optical remote sensing images based on the suppression and separation results. This invention can improve the accuracy of cyanobacteria region identification.

This invention relates to the field of groundwater status assessment technology, and discloses a method for dynamic assessment of groundwater levels based on multi-source data mapping and fluid model correction. This invention aims to address the technical problems of low spatial resolution in existing satellite gravity sounding data, and the difficulty in accurately separating deep groundwater change signals from total land water storage signals, resulting in insufficient accuracy and a lack of spatial detail in groundwater level monitoring. This invention unifies the spatiotemporal reference of multi-source heterogeneous data, utilizes high-resolution surface texture features to guide the spatial downscaling reconstruction of the low-resolution gravity field; combines spectral features and the principle of thermal inertia to progressively eliminate surface water and soil water storage signals; introduces measured data to construct a spatial error correction surface for water yield parameters; and uses image connectivity analysis technology to identify groundwater funnels.

This utility model belongs to the field of agricultural machinery, specifically relating to a split plow for straw return on sloping hills, aiming to solve the problems existing in traditional plows operating on sloping hills. It includes a plow seat, plowshare, plowshare, center splitting plate, soil splitting plate, soil scraper, bottom support rod, soil splitting adjustment rod, and soil scraping adjustment bracket. During operation, fixed to the crossbeam of the straw return machine, the plowshare first cuts into the soil layer, turning it up. After the soil is lifted, the center splitting plate splits the turned soil from the center line, preventing it from sliding downhill and guiding it to both sides. Subsequently, the soil splitting plates distributed on both sides of the plowshare further push the soil to the sides. The rear-mounted soil scraper, as it sweeps over the soil, scrapes and shapes it. The height of the soil scraper is adjustable according to different terrain conditions, forming low ridges to retain moisture in dry land and high ridges to facilitate drainage in waterlogged areas. The soil splitting plate and soil scraper are adjusted by adjusting the soil splitting adjustment rod and the soil scraping adjustment bracket to meet different needs.

The embodiment of the application provides a water taking system, which comprises a water taking open channel, a protection dike and a plurality of water taking units arranged in the water taking open channel; the water taking open channel and the protection dike are arranged on the sea bottom surface and are higher than the sea level, and the water taking open channel extends from the land to the sea area; the water taking open channel comprises a first inlet which is arranged away from the land and perpendicular to the sea level, the protection dike is arranged outside the first inlet, the protection dike and the first surface of the water taking open channel form a second inlet, the protection dike and the second surface of the water taking open channel form a third inlet, and the first surface of the water taking open channel and the second surface of the water taking open channel are two opposite surfaces of the water taking open channel; any water taking unit of the plurality of water taking units comprises a water inlet and a water outlet, the water inlet is connected with the first inlet in communication through a first pipeline, and the water outlet is connected with a water source equipment to be input in communication through a second pipeline. By arranging the water taking system, the quality of the water source can be improved.

The present application relates to the technical field of mineral exploration, and discloses a sea-land integrated mineral exploration method based on metallogenic potential. The method comprises receiving an exploration instruction for a target area containing a sea-land entity; starting a synchronous data collection process to collect marine and terrestrial exploration data respectively; processing the data to generate marine and terrestrial metallogenic indication parameters; inputting the two types of parameters into a unified potential evaluation framework for coupled operation to obtain coupled metallogenic potential parameters; and generating an exploration scheme according to the parameters. Through synchronous acquisition and integrated coupled calculation of sea-land data, the present application realizes effective fusion of sea-land metallogenic information, solves the problem of data fragmentation and non-uniform evaluation standards in traditional methods, and thus improves the accuracy of overall metallogenic potential evaluation and the efficiency of exploration decision-making in the sea-land transition area.

This utility model discloses an underwater tunnel sealing device, which includes: telescopic sealing structures at both ends of a floating sluice gate in the height direction; a support structure disposed on the large surface of the floating sluice gate, the support structure including a driving component and a rotatable support rod, the driving component being connected to the support rod to adjust the angle of the support rod to avoid or contact the tunnel wall; one end of an umbilical cable being connected to the large surface on the other side of the floating sluice gate, and the other end of the umbilical cable being used to connect to a power source and signal system located on land. According to this application, the underwater tunnel sealing device dynamically adjusts buoyancy through the filling and emptying chambers of the floating sluice gate, precisely positioning and moving it to the underwater tunnel; the telescopic sealing structures at both ends make uniform contact with the tunnel wall, thereby sealing the water surface of the tunnel and draining the water behind the floating sluice gate, forming a dry area behind the floating sluice gate, reducing the risks of underwater operations.

The present application relates to the technical field of drilling fluid detection, in particular to a green drilling fluid environmental protection performance comprehensive test evaluation method, comprising: configuring a standardized environment simulation reactor, injecting a green drilling fluid sample to be tested and a simulated environment medium containing fresh water sediments, salt water sediments and land soil, separating the whole system liquid-solid mixture after leaching reaction under constant temperature and frequency conditions to obtain filtrate and solid residue. The filtrate is subjected to full component spectrum scanning, compared with a standard spectrum library to identify target pollutants and preliminary concentration interval; the residue is subjected to thermal analysis and gas phase capture, data is imported into a pollutant migration and transformation prediction model, combined with medium physicochemical parameters to calculate solid phase adsorption retention and long-term release potential, and the solid phase occurrence state of pollutants is evaluated. The method can adapt to multi-element environment simulation, completely detect liquid-solid two-phase pollutants, accurately identify pollutants and quantify solid phase occurrence characteristics, and realize comprehensive evaluation of drilling fluid environmental protection performance.

The present invention aims to provide a closed-loop land-based aquaculture method for fish that can improve investment efficiency and also improve the rate of nitrate removal. [Solution] A closed-circuit land-based aquaculture method for farming fish on land using seawater or artificial seawater, wherein the rearing water in the rearing tank is circulated through a circulation path, the rearing water is purified as it passes through the circulation path, and the rearing water temperature is controlled to 19°C or lower, and the closed-circuit land-based aquaculture method is characterized by forming a section in the upper layer of the rearing water in the rearing tank with a partition wall that prevents fish from entering, and cultivating Ulva prolifera in the section.

This invention discloses an integrated fertilizer and pesticide application machine for wide and narrow rows of mulched mulch in dryland areas, belonging to the field of agricultural machinery. It includes an installation mechanism, with a feeding mechanism located below the installation mechanism and a mixing and output mechanism located above the installation mechanism. The installation mechanism includes two spray pipes located on the inner side of the frame and to the right of the feeding mechanism. A motor is fixedly installed on the upper surface of the frame and above the feeding mechanism. This device effectively solves the problems of poor material storage structure and inconvenient filling and maintenance in existing integrated fertilizer and pesticide application machines for dryland mulch. By optimizing the design of the feeding mechanism, the material cylinder seat can be rotated and adjusted in height. Under normal conditions, the material cylinder seat can extend beyond the front and rear of the frame, avoiding material spillage caused by limited operating space, significantly improving feeding efficiency, and providing convenient conditions for the maintenance and repair of the material cylinder, thus optimizing the rationality of the overall machine structure and ease of operation.

Embodiments are directed to a computer-implemented method of analyzing a land region that has been decomposed into a plurality of regular or irregular sub-regions. The computer-implemented method includes applying, using a processor system, a feature extraction process that extracts a set of sub-region environmental descriptors for each of the plurality of sub-regions. The processor system applies a similarity analysis to the set of sub-region environmental descriptors to generate groups of the plurality of sub-regions. The processor system creates a plurality of group-based graphs by encoding each of the groups into a corresponding group-based graph. A spatio-temporal neural network is used to train a model based at least in part on the plurality of group-based graphs.

The application discloses an overwintering rice field and dry land weeding robot, and relates to the technical field of weeding equipment.The robot body is provided with two mechanical arms installed on both sides of the robot body, two baffles installed in front of the robot body, and a plurality of spades installed on the outer surfaces of the baffles and capable of moving along a serpentine track in the inner layer of soil to hook weeds.The two baffles are used to shield and protect the two sides of rice seedlings and to push weeds away from the inside to the outside of the two sides of the rice seedlings during weeding.The spades are used to hook the roots and stems of weeds.The two baffles are installed in front of the robot body and guided by guide rails to realize inward retraction, lifting and outward extension, separate weeds from rice seedlings, accurately divide the cutting area, and increase the spades on the outer surfaces of the baffles.The spades are used to continuously hook weeds by winding the roots and stems of weeds in the inner layer of soil, and the connection between the spades and the roots and stems of weeds is more stable, which facilitates the subsequent uprooting of weeds and greatly improves the efficiency of root and stem removal.

This invention provides a method, system, and storage medium for constructing a dataset of terrestrial water storage changes, belonging to the field of remote sensing and hydrological data processing. The method includes: First, using the singular spectrum iterative interpolation method, reconstructing and completing the missing time series of Mascon products from three datasets (CSR, JPL, and GSFC) to obtain their respective complete spatiotemporal data matrices; Second, using the generalized triangular hat method to perform pixel-by-pixel error analysis on each data matrix, constructing an error covariance matrix reflecting the error variance and covariance; Subsequently, based on this error covariance matrix, calculating the optimal fusion weights for each data matrix pixel-by-pixel using the generalized least squares criterion; Finally, weighted fusion of the three data matrices according to the weights to generate a fused dataset of global terrestrial water storage changes. This invention effectively improves the continuity and accuracy of the dataset, providing a reliable data foundation for global water cycle research, drought monitoring, and water resource management.

The application provides a breeding farm identification method and system based on geospatial big data, and relates to the technical fields of animal epidemic disease monitoring and spatial information processing. First, the name, latitude and longitude, province and country, etc. of the global breeding farm data are collected, the fields are merged and the format is unified, and a structured data set is constructed. Combined with global land boundaries, multi-layer administrative divisions and land use data, abnormal coordinates are removed and sampled for review to generate a breeding farm spatial distribution map. The application improves the automation and spatial accuracy of identification by integrating multi-source data and large language models.

The application discloses a water and land dual-purpose net catching system, the fishing net is connected to a rotating disc, and the folded fishing net is bound to the rotating disc through a binding assembly to rotate with the rotating disc, the rotating of the rotating disc does not need manpower driving, when the rotating disc rotates to a preset rotating speed, the binding assembly can actively or passively loosen the fishing net under the action of centrifugal force of the fishing net, the fishing net is correspondingly opened to form a net catching space, and target objects are easily and efficiently caught, therefore, the application is not limited to use in the fishery field, and can also be applied to the catching of target objects on land and the catching and cleaning of solid floating pollutants on water surfaces such as seas, lakes and rivers in the environmental protection field, and the traditional net catching operation mode is improved, and the net catching efficiency is improved.

This invention discloses a path obstacle avoidance method based on multimodal deep learning. The method is as follows: (1) Collect multimodal environmental perception information and perform spatiotemporal alignment on the multimodal environmental perception information; (2) Extract environmental features from the environmental perception information of each modality and fuse the extracted environmental features into a fusion vector; (3) Identify obstacles in the current environment based on the fusion vector, and detect whether all obstacles exist on the map. If they exist, execute step (4). If they do not exist, complete obstacle avoidance based on deep reinforcement learning and then execute step (4); (4) Continue driving along the planned driving path and execute step (1) until the target location is reached. By using multi-source sensor data to achieve comprehensive perception and accurate identification of obstacles on land and water, and then using deep reinforcement learning for obstacle avoidance decision-making, the method effectively takes into account multiple factors such as safety, path smoothness and energy consumption, thereby improving the driving efficiency and task completion rate of amphibious vehicles.

This invention relates to a high-precision tropospheric wet delay estimation method based on optimal interpolation, used for wet delay correction of wide-swath satellite altimetry SWOT observation data over land. The technical approach is as follows: First, initial wet delay values ​​for the swath calculation point and GNSS station are obtained through spatiotemporal interpolation using ECMWF reanalysis data, and the deviation between the initial values ​​and measured values ​​is calculated at the GNSS station. Then, assuming that the water vapor observations at the GNSS station are of equal precision, and in the absence of other external observations, the weighting function is simplified to a weight determined by the equivalent wet distance from the GNSS station to the swath calculation point. Finally, the optimal interpolation method is used to complete the wet delay correction estimation for the swath calculation point. The advantage of this method is that it can transfer the high temporal resolution and accuracy of the measured values ​​from the GNSS station, improve the initial values ​​to obtain a more accurate optimal swath interpolation, and significantly improve the estimation accuracy of wet delay.