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213 results about "Tidal flat" patented technology
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Mudflat sediment deposits are focused into the intertidal zone which is composed of a barren zone and marshes. Within these areas are various ratios of sand and mud that make up the sedimentary layers.
Multi-scale wave-flow-sediment coupling beach evolution prediction model method
ActiveCN119476096AImprove computing efficiencyreduce mistakesDesign optimisation/simulationSpecial data processing applicationsTidal flatEngineering
The invention discloses a multi-scale wave-flow-sediment coupling beach evolution prediction model method, and relates to the technical field of tidal flat landform morphology evolution simulation, comprising the steps of integrating a tidal current power module, a wave motion module and a sediment power module, solving, and predicting landform morphology evolution of a tidal flat area; establishing a coordinate system according to actually measured tidal flat topographic data, obtaining tidal current, wave and sediment data based on a hydrometric station, taking the data as boundary conditions, and importing the boundary conditions into the model; constructing a beach evolution prediction model based on integration of tidal current power, wave motion and sediment power modules, and setting parameters required by each module; a finite difference method is adopted to solve a fluid continuity equation, a wave energy conservation equation, a one-dimensional vertical average suspended sediment convection and diffusion equation and a bottom bed updating equation, and tidal flat section terrains at different stages are obtained, so that the tidal flat section form evolution process under the action of waves and flow is accurately simulated, and compared with a traditional tidal current sediment model, the simulation precision is higher, and the simulation efficiency is higher. And the calculation efficiency can be obviously improved.
Owner:HOHAI UNIV
Mudflat-sourced malathion degrading bacterium and application thereof
The invention discloses a mud flat-derived malathion degrading bacterium and application thereof, and relates to the technical field of biology. The malathion degrading bacterium is Ectopseudomonas khazarica FJ5-34-2, and is preserved in the China General Microbiological Culture Collection Center on November 8, 2024, the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.32547. The malathion degrading bacterium has the advantages that the malathion degrading bacterium can be used for degrading malathion; according to the invention, an in-vitro pseudomonas strain FJ5-34-2 is screened from a mud flat sample in a new area of Northern Daihe River in Qinhuangdao, Hebei province. The in-vitro pseudomonas can effectively degrade malathion, and the degradation rate of 100 mg / L malathion within 72 hours can reach 94.93%. The invention provides a new effective microorganism for microbial degradation of malathion, which has great practical significance for relieving environmental residues of pesticides.
Owner:HUNAN NORMAL UNIVERSITY
Vegetation-submerged dike coupled tough coast protection method and system and storage medium
The invention discloses a vegetation-submerged embankment coupled tough coast protection method and system and a storage medium, and the method comprises the steps: firstly, determining a research region, and systematically collecting the near-shore terrain, water and sand power conditions, vegetation parameters and other data; secondly, constructing a water-sand-vegetation coupling numerical simulation model based on the collected data, and performing precision verification on the model; then selecting a suitable vegetation type in combination with environmental characteristics of the research area, carrying out artificial seeding and planting work in a vegetation potential habitat of the tidal flat, and determining a design elevation and an offshore distance of the submerged dike; and finally, evaluating the coast protection effect under the synergistic effect of the submerged embankment and the vegetation, and quantitatively analyzing the improvement degree of the coast protection effect on wave attenuation and beach stability. A sustainable tough coast protection system can be formed under the climate change background through a collaborative protection mechanism integrating natural vegetation and an artificial submerged embankment. The method has the advantages of low cost, remarkable wave reduction effect and the like, and the capability of coping with climate change challenges and comprehensive protection of coastal zones can be effectively improved.
Owner:HOHAI UNIV
Tidal flat evolution prediction method and system based on hybrid model
ActiveCN120805782ADesign optimisation/simulationGeographical information databasesTerrainComputation complexity
The invention provides a tidal flat evolution prediction method and system based on a hybrid model, and relates to the field of dynamic geomorphology and artificial intelligence cross technology, and the method comprises the steps: constructing a tidal flat erosion and deposition evolution database under different scenes of a target coastal zone; constructing a landform prediction model through an artificial intelligence algorithm based on the database, and taking hydrodynamic characteristic data as input and seabed erosion and deposition variation as output; hybrid simulation is executed based on the physical mechanism model and the landform prediction model, and long-duration evolution prediction is realized by updating terrain boundary conditions through loop iteration; and the configuration service application module is used for receiving user input parameters through the interactive interface and outputting a visual result. According to the method, traditional hydrodynamic force-sediment-landform coupling calculation is decoupled into a physical mechanism and AI coordinated chain process, the calculation complexity is remarkably reduced, offline rapid calculation business of tidal flat evolution is achieved, and real-time technical support is provided for coastal zone planning and disaster prevention decision making.
Owner:SECOND INST OF OCEANOGRAPHY MNR
Automatic tidal flat extraction method fused with irregular hexagonal grid
The invention discloses a tidal flat automatic extraction method fused with an irregular hexagonal grid. The method comprises the following steps: step 1, constructing a time sequence remote sensing data set; step 2, establishing a precision verification sample library; step 3, screening spectral indexes; 4, synthesizing an extreme tide level image; 5, generating an irregular hexagonal grid; step 6, carrying out adaptive threshold segmentation; step 7, secondary elimination of confused ground features; step 8, tidal flat range extraction and precision verification; according to the method, based on a time sequence remote sensing image set, pixels at all positions are screened through a specific spectral index maximum value, a new extreme tide level image is formed through combination, spatial heterogeneity of a complex coastal zone is adapted through an irregular hexagonal grid and a bottom-to-top hierarchical merging strategy, local self-adaptive threshold segmentation is achieved in cooperation with a local Otsu algorithm, and a new extreme tide level image is obtained. The optimal grid scale is automatically determined by means of an elbow method, and the confused ground features are secondarily eliminated through the time sequence standard deviation, so that the problem of miscarriage of the confused ground features is effectively solved, and high-precision full-automatic extraction of the tidal flat is realized.
Owner:SHIJIAZHUANG UNIVERSITY
Coastal mud flat elevation measurement method based on orthographic reconstruction technology
The invention discloses a coastal tidal flat elevation measurement method based on an orthographic reconstruction technology, and the method comprises the following steps: laying image control points in a target monitoring area of a muddy tidal flat, and then measuring the elevation information of each image control point; an unmanned aerial vehicle is adopted to collect aerial photos of the area according to the planned flight route; an RTK base station is erected in the area to collect static POS data; obtaining static POS data and airborne POS data to calculate flight POS data; flight POS data and aerial photos are obtained, modeling is carried out in combination with elevation information of an image control point, and point cloud data and an orthoimage of the area are generated; and identifying a ponding area from the orthoimage, removing the ponding area from the point cloud data, and establishing a digital elevation model of the area to obtain tidal flat elevation information of the area. Therefore, the problem that large-range tidal flat elevation measurement cannot be carried out due to the limitation of the tidal falling time of the muddy tidal flat in the traditional artificial beach running is solved.
Owner:JIANGSU PROVINCIAL TIDE RES CENT (JIANGSU PROVINCIAL MARINE ENVIRONMENT MONITORING & FORECASTING CENT)
Tidal flat vegetation pattern information extraction method based on unmanned aerial vehicle photogrammetry
The invention discloses a tidal flat vegetation pattern information extraction method based on unmanned aerial vehicle photogrammetry. The method roughly comprises the following steps of (1) task planning, (2) data acquisition, (3) data preprocessing, (4) feature extraction, (5) classification and identification, (6) pattern analysis and (7) precision verification. According to the method, a multi-spectrum and RGB fused unmanned aerial vehicle image acquisition scheme is adopted, the acquisition opportunity is optimized in combination with tide forecast data, accurate extraction of multi-level information such as tidal flat vegetation types, coverage and biomass can be achieved through integration of deep learning and a traditional remote sensing classification method, and the method is high in pertinence, easy to operate and suitable for popularization.
Owner:YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION
Integrated removal and treatment method for spartina alterniflora in mudflat wetland
The invention discloses an integrated removal and treatment method for spartina alterniflora in a mudflat wetland. The integrated removal and treatment method sequentially comprises the steps that a construction operation area is divided; mowing the spartina alterniflora for more than three times in the construction operation area, and airing the crushed straws; performing anaerobic landfill on the straws into the first landfill ditch; carrying out more than two times of root system ploughing on the construction operation area which is already cut; a second landfill ditch with the depth not smaller than two meters is dug, and the ploughed spartina alterniflora root system is placed into the second landfill ditch; and covering soil and compacting the second landfill ditch. According to the method, the formation of mature seeds of the spartina alterniflora can be effectively prevented, the sexual propagation path of the spartina alterniflora can be effectively cut off, the surface of the first landfill ditch after landfill is no longer suitable for growth of the spartina alterniflora, mowing and ploughing are carried out in different areas at the same time, the spartina alterniflora is prevented from sprouting again, the treatment efficiency of the wetland spartina alterniflora is further improved, and the economic benefit is increased. Vegetative propagation of spartina alterniflora is avoided, repeated treatment of spartina alterniflora is avoided, and the treatment cost of spartina alterniflora is reduced.
Owner:SHANGHAI GARDENS (GROUP) CO
Cone disc centrifugal shellfish seeding device
The utility model discloses a conical disc centrifugal shellfish seeding device, which relates to the field of fishery machinery and comprises a support frame, a material containing device and a rotatable centrifugal turntable are mounted on the support frame, the centrifugal turntable is in an inverted conical shape, a blanking port is arranged on the material containing device, and the centrifugal turntable is positioned below the blanking port; a plurality of material stirring blades are installed on the centrifugal rotating disc and arranged at intervals in the circumferential direction of the centrifugal rotating disc, the outer ends of the material stirring blades can be adjusted in an inclined mode upwards or downwards, and the material stirring blades can be adjusted in an inclined mode towards the two sides relative to the radius of the centrifugal rotating disc. The device can be used on a ship in a shallow sea or on a mud flat vehicle, is simple to operate, greatly increases the seeding breadth, improves the seeding uniformity, effectively improves the seeding efficiency, reduces the breakage rate of the spats, saves the labor cost, and improves the utilization efficiency of the spats and the mud flat.
Owner:DALIAN OCEAN UNIV
Method for effectively removing spartina alterniflora
According to the method for effectively removing the spartina alterniflora, deep digging and layered inverted burying are conducted on the spartina alterniflora in a treatment area, it is ensured that overground parts and shallow surface plants are all integrally inverted and buried in soil which is 140 cm or below away from the ground, the plants are isolated from light and air, and the effect of removing the spartina alterniflora is achieved. Then the underground part is integrally inversely buried above the inversely buried overground part, the overground part is thoroughly covered, deep isolation is ensured, the regeneration capacity of the overground part is fundamentally blocked, and thorough deep digging and layered inversely buried burying of the spartina alterniflora in the whole treatment area are sequentially and progressively completed. The method does not need to use chemical agents, is environmentally friendly, easy and convenient to operate, high in durability and suitable for ecological management of large-area beach wetlands, effectively restrains rejuvenation of spartina alterniflora and maintains ecological balance.
Owner:RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
Method for recovering suaeda salsa vegetation based on tidal creek optimization
The embodiment of the invention discloses a method for recovering suaeda salsa vegetation based on tidal creek optimization. The method comprises the steps that satellite remote sensing images at a plurality of historical collection moments are acquired, and the satellite remote sensing images are used for representing the distribution condition of a tidal creek system of a coastal wetland and suaeda salsa vegetation; according to the satellite remote sensing image, determining a network connectivity index of a tidal creek system and a landscape pattern index of suaeda salsa vegetation; according to the network connectivity index of the tidal creek system and the landscape pattern index of the suaeda salsa vegetation, key factors of the tidal creek for promoting growth of the suaeda salsa vegetation and corresponding optimal thresholds are determined; and optimizing the tidal creek system of the target wetland according to the key factors and the corresponding optimal threshold values so as to recover suaeda salsa vegetation of the target wetland. By means of the method, the tidal flat hydrological environment can be accurately and effectively adjusted and optimized, restoration of suaeda salsa vegetation is achieved, and the degradation risk of the suaeda salsa vegetation is effectively prevented and controlled.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S +1
Tidal wetland space-time evolution monitoring method based on Landsat
The invention discloses a tidal wetland space-time evolution monitoring method based on Landsat, and the method comprises the following steps: S1, obtaining multi-temporal Landsat remote sensing image data of a target region, and carrying out the consistency preprocessing; s2, on the basis of the preprocessed multi-temporal Landsat remote sensing image data, constructing a spectral index time sequence including NDWI, NDVI, PSRI and NIRv; s3, generating a key period image based on the spectral index time sequence; s4, performing initial classification of tidal flat and wetland vegetation based on the image in the key period to obtain an initial classification map year by year; s5, based on the spectral index time sequence, performing segmentation by using a LandTrendr algorithm, and performing time sequence consistency optimization on the initial classification graph according to an obtained segmentation result to obtain an optimized classification result; and S6, performing post-processing on the optimization classification result to generate a tidal wetland year-by-year dynamic classification data set. According to the method, the high-quality data set capable of accurately reflecting year-by-year dynamic evolution of the tidal wetland can be generated.
Owner:SUN YAT SEN UNIV
Safety recovery support fixture
The present invention relates to a safety recovery support fixture with a new structure that can easily be fixed to be buried in the ground, tidal flats, the ocean, or the like and can easily be recovered as necessary. The safety recovery support fixture according to the present invention can be fixed to a ground surface (1) by spreading anchor blades (22) in a state in which a fixer (20) is inserted into the ground surface (1) and can be removed by being pulled upward in the state in which the anchor blades (22) are narrowed. Accordingly, the safety recovery support fixture can be firmly fixed to the ground surface (1) to support a structure and can be easily recovered after the structure is demolished, and there is an advantage that environmental destruction can be prevented.
Owner:AORES CO LTD +2
Spartina alterniflora treatment method based on mechanical cutting and tidal water level adjustment
InactiveCN119586380AImprove governance efficiencyIncrease the level of automationHydraulic engineering apparatusEarth-fill damsTidal flatTidal water
The invention discloses a spartina alterniflora management method based on mechanical mowing and tidal water level regulation, which comprises the following steps: using mechanical mowing equipment to mow spartina alterniflora in the growth peak period of spartina alterniflora, and cutting the overground part to the height less than 5cm; dividing the treatment area into high, medium and low tidal flat according to the tidal flat elevation, and establishing a dam filled with sand and covered with degradable cloth in each area; adjusting the height of the dam according to the tidal cycle and the tidal flat elevation, so that the high tidal flat area is submerged by natural saline water at least twice a month during the large tide; after the spartina alterniflora is treated, the sandy dam and the anti-scouring cloth are gradually removed, the original ecological system of the wetland is restored, and local plants are planted to promote natural restoration. According to the method, low-cost, high-efficiency and eco-friendly long-term treatment of the spartina alterniflora can be realized in a large-area mud flat area, so that the operability, sustainability and environmental friendliness of the treatment effect are remarkably improved, and the method has wide popularization and application values.
Owner:RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
Tidal flat shallow stratum deformation prediction device and method
The invention discloses a tidal flat shallow stratum deformation prediction device and method, and relates to the field of stratum deformation prediction.The tidal flat shallow stratum deformation prediction device comprises the steps that a plurality of node components are connected in sequence and vertically penetrate into a shallow stratum of a target tidal flat monitoring point; the rainfall sensor and the tide sensor are respectively arranged in a set radius range of a target tidal flat monitoring point; the controller is respectively connected with a node part at the tail part of the sensing array, the rainfall sensor and the tide sensor; the three-axis acceleration sensor is used for collecting three-axis acceleration of the corresponding node part at different moments; the controller is used for acquiring an original data set of a target tidal flat monitoring point; determining N groups of state sequences based on the feature sequences of the N data clusters, the rainfall sequence and the tide height sequence, and inputting each group of state sequences into different trained prediction models to obtain N deformation sequences; and based on the N deformation sequences, determining future deformation of the shallow stratum of the target tidal flat monitoring point. Effective prediction of future deformation of the tidal flat shallow stratum is realized.
Owner:ZHEJIANG UNIV +1
Mud dice culture method based on mangrove forest tidal flat and application of mud dice culture method
ActiveCN119257032Aachieve sustainable usequality improvementClimate change adaptationPisciculture and aquariaTidal flatMangrove ecosystem
The invention relates to the field of mangrove forest ecological system restoration, in particular to a mangrove forest tidal flat-based mud dice culture method and application thereof. The method comprises the following steps: (a) by taking an estuary mangrove forest tidal flat as a breeding base, arranging mud dice apartments on bare beaches inside and outside the mangrove forest; wherein the mud dice apartment is filled with culture soil; the top end of the mud dice apartment is exposed out of the beach surface; (b) putting mud dice seedlings into the mud dice apartment for cultivation and management and protection; and (c) harvesting the mud dices after the mud dices are mature. According to the mud dice cultivation method based on the mangrove forest tidal flat, a movable circulating container cultivation mode is adopted, mud dice is cultivated on bare beaches inside and outside the mangrove forest, and the mud dice cultivation method combining mangrove forest restoration and tidal flat efficient utilization is created. The method can be used for rapidly repairing a damaged mangrove forest ecological system, the quality of tidal flat soil is improved in the efficient cultivation process of mud dices, and sustainable utilization of the tidal flat is achieved.
Owner:EAST CHINA NORMAL UNIV +3
Method for removing spartina alterniflora in lagoon face environment
PendingCN119121848AKeeping ecosystems safeprotection securityWater cleaningStream regulationTidal waterTidal flat
The invention provides a method for removing spartina alterniflora in a lagoon face environment, and belongs to the technical field of spartina alterniflora governance, and the method comprises the following steps: S10: data collection: collecting, sorting and analyzing hydrogeological data, tide water conditions and spartina alterniflora distribution conditions of a governance area; s20, dividing a treatment area: dividing the treatment area into a high tidal flat area, a middle-low tidal flat area and other areas through treatment according to field survey data and hydrogeology in combination with the current situation environment of the treatment area; and S30, a treatment scheme is formulated in a targeted manner. The step S30 comprises the following steps: S310, for a high tidal flat area, a'deep burying method 'is adopted for block and ridge treatment. According to the method, for the treatment of spartina alterniflora, different treatment environments can be combined, treatment is carried out according to an established method, quality monitoring is carried out in the treatment process, surveying and lofting are carried out according to different process treatment areas before treatment, colored flags and other obvious markers are arranged for identification, the different process treatment areas are distinguished, and patrol inspection is carried out regularly after treatment is completed; and the found problem is rectified in time.
Owner:CCCC GUANGZHOU DREDGING CO LTD +1
Mud flat spraying system
The invention provides a mud flat spraying system, which belongs to the technical field of spraying systems and comprises a water storage tank, a desalination container, a desalination channel, a water pumping pipe and a water pump. The desalination container has a desalination chamber. One end of the desalination channel is communicated with the water storage tank, and the other end is communicated with the top of the desalination cavity. The first end of the water pumping pipe is fixedly connected with the water storage tank and communicates with the bottom in the water storage tank. The water suction pump is arranged on the water suction pipe. According to the mud flat spraying system provided by the invention, seawater is injected into the desalination cavity nearby, steam formed during evaporation of the seawater enters the water storage tank through the desalination channel and is condensed to form fresh water to be stored in the water storage tank, and the water suction pump can pump water in the water storage tank through the water suction pipe to irrigate plants such as suaeda heteroptera. Therefore, the amount of fresh water conveyed to an engineering site is reduced, and the problem that a large amount of fresh water needs to be conveyed to the engineering site in coastal mud flat ecological restoration engineering is avoided.
Owner:DONGYING MARINE PROTECTION & DEVELOPMENT INSTITUTE
Tidal flat large-scale remote sensing intelligent extraction method
The invention discloses a tidal flat large-scale remote sensing intelligent extraction method. The method comprises the following steps: extracting sample points; extracting shoreline data; determining a tidal flat extraction range based on shoreline data; constructing a remote sensing feature data set, calculating different features based on remote sensing data and synthesizing the different features into a new data set; construction of a classification decision tree: determining a proper segmentation threshold value by using distribution frequency distribution of sample points in the remote sensing feature data set, and constructing the decision tree; synthesizing the lowest tide level data, namely synthesizing the lowest tide level data by using the first 5% and 5-25% of images according to the proportion that each pixel in the three-year remote sensing data is identified as a tidal flat; and extracting a tidal flat space range, applying a classification decision tree on the synthesized lowest tide level data to obtain a product, and carrying out data post-processing and statistical mapping. Through remote sensing big data, large-scale minimum tide level data extraction and synthesis and tidal flat drawing are realized, and the robustness and the application range of the method are improved while the limitation of the existing method is overcome.
Owner:EAST CHINA NORMAL UNIV
System and method for managing geological survey data of near-coastal zone
The invention discloses a near-coastal zone geological survey data management system and method, and relates to the technical field of coastline monitoring, and the method comprises the following steps: collecting a remote sensing image of a near-coastal zone, and carrying out the preprocessing of the remote sensing image, and obtaining a first coastal remote sensing image; extracting a remote sensing image of the land and water contact area based on the first coastline remote sensing image to obtain a second coastline remote sensing image, and performing first coastline extraction processing to obtain first coastline information; performing second coastline extraction processing based on the second coastline remote sensing image to obtain second coastline information; performing coastline correction processing based on the first coastline information and the second coastline information to obtain real-time coastline information; the method is used for solving the problem that when a water body and land in an image are distinguished based on a remote sensing image and a spectral index in an existing coastline monitoring technology, seawater and a tidal flat cannot be accurately distinguished in the tide rising and falling process, and the coastline cannot be accurately identified.
Owner:CHINA AERO GEOPHYSICAL SURVEY & REMOTE SENSING CENT FOR LAND & RESOURCES
Calculation method and system for wave dissipation effect of salt marsh vegetation with different gradients under variable tide level
ActiveCN119272502AImprove calculation accuracysystem scienceDesign optimisation/simulationComplex mathematical operationsTidal flatVegetation
The invention discloses a method and a system for calculating wave dissipation effects of salt marsh vegetation with different gradients under variable tide levels. The method comprises the following steps: carrying out a physical model test of wave incidence on salt marsh vegetation in a tidal flat area to obtain the energy dissipation amount after waves pass through the vegetation area and the wave reflection amount in the vegetation area; according to the salt marsh vegetation arrangement specification, the energy dissipation amount and the wave reflection amount of the tidal flat area, vegetation energy dissipation is determined. The system comprises an input module, a calculation module, a calibration module, an output module and the like, and is used for recording tide level, height difference gradient and vegetation data, calculating a wave energy attenuation rate and calibrating a calculation model so as to accurately calculate the wave dissipation effect of salt marsh vegetation under different tide level gradients. The calculation method and system provided by the invention have the characteristics of scientificity, practicability, accuracy, high efficiency and the like, and are suitable for the fields of ports, coastal protection engineering, ecological restoration, coastal zone management and the like.
Owner:NANJING HYDRAULIC RES INST +1
A mangrove ecological restoration method to improve biodiversity
The present invention belongs to the technical field of mangrove ecological restoration, and discloses a method for improving biodiversity of mangrove ecological restoration, including: a. In a mangrove restoration area with relatively low terrain, according to the current status of the beach landform in the restoration area, it is sorted into strips or blocks of land with different heights, respectively used for planting mangroves or retaining them as tidal channels and waters; b. In a mangrove restoration area with relatively high terrain, it is respectively used for planting mangroves and retaining the beach state; c. Combined with the specific topography and landforms of the mangrove restoration area, the above two methods a and b are used in combination; the present invention plans the mangrove restoration area into different plots according to the specific topography and landforms, so as to adapt to the requirements of the organisms there for growth, reproduction and habitat, and improve the diversity of organisms. It is consistent with the basic principles of overall protection of the environment, respect for nature, scientific restoration, adapting measures to local conditions, and orderly advancement, and promotes the overall protection of the mangrove ecosystem.
Owner:HAINAN ACAD OF FORESTRY SCI (HAINAN ACAD OF MANGROVE RES)
Distributed settlement intelligent sensing and data acquisition system for mudflat photovoltaic pile foundation
The invention discloses a mudflat photovoltaic pile foundation distributed settlement intelligent sensing and data acquisition system, and belongs to the technical field of intelligent sensing systems.The system comprises a datum plane setting module which is used for setting a main datum plane and a plurality of sub datum planes according to spatial distribution of a mudflat photovoltaic pile foundation; the region division module is used for dividing the plurality of beach photovoltaic pile foundations into a plurality of sub-regions in a set space range, and calculating the average main reference surface elevation of each sub-region; the processing module is used for identifying whether the mud flat photovoltaic pile foundation is settled or not according to the single mud flat photovoltaic pile foundation in each sub-region; the analysis and comparison module is used for comparing a difference value with a preset deformation threshold value after the settlement of the tidal flat photovoltaic pile foundation is identified; and the intelligent acquisition and positioning module automatically triggers a preset data acquisition process when the difference value exceeds a preset deformation threshold value. According to the method, the sub datum planes are arranged in the height direction of the pile body, so that the comprehensiveness and spatial resolution of deformation monitoring are improved.
Owner:ZHEJIANG DATANG INTERNATIONAL RENEWABLE POWER CO LTD
Mudflat vegetation beach fixing and wave dissipating effect simulation system based on multi-scale numerical values
ActiveCN120611570ADesign optimisation/simulationSpecial data processing applicationsTerrainTidal flat
The invention relates to the technical field of computer-aided engineering, in particular to a multi-scale numerical value-based beach vegetation beach fixing and wave dissipating effect simulation system, which comprises the following steps of: acquiring terrain basic data, boundary condition data, vegetation physical parameters and vegetation ecological parameters; establishing a numerical calculation grid and a terrain by using terrain basic data, and updating a landform elevation and a hydrodynamic condition based on a wave flow sediment coupling mechanism by using boundary condition data as a driving condition; according to a vegetation mechanical model, vegetation flexible deformation is calculated in combination with hydrodynamic conditions and vegetation physical parameters, and hydraulic drag force parameters are updated based on the vegetation flexible deformation; according to the habitat suitability model, evaluating the probabilistic trend of vegetation growth, death and expansion; physical process simulation and landform evolution calculation are combined, and adaptive verification and resetting steps are introduced, so that accelerated simulation of beach fixation and wave dissipation of beach vegetation is realized. According to the invention, through multi-scale simulation, accurate prediction of beach fixing and wave dissipation is realized.
Owner:ZHEJIANG GUANGCHUAN ENG CONSULTING CO LTD +1
Water conservancy construction mud flat supporting device
Owner:山东天成水利建设有限公司
Spacing-adjustable shovel tooth combined type mud flat shellfish digging device
ActiveCN224125022UMaintain the ability to break groundImprove cutting effectClimate change adaptationPisciculture and aquariaTidal flatSoil science
The utility model discloses a shovel tooth combined type mud flat shellfish digging device with adjustable spacing, which relates to the technical field of mud flat shellfish digging operation, and comprises a cross beam and a plurality of digging shovels fixedly arranged on the cross beam, comb teeth are uniformly arranged among the digging shovels, the comb teeth are arranged on the cross beam, the spacing of the comb teeth is adjustable, and the shovel tooth combined type mud flat shellfish digging device is arranged on the cross beam. The digging shovel is provided with multiple types of protruding structures, and the comb teeth are designed to be of a gradually-changing-size structure. Due to the design of various protruding structures on the shovel body of the digging shovel, mud flat silt can be better cut during digging, soil entering resistance can be reduced, and soil adhesion is prevented. The comb teeth are of a size gradual change type structural design, the soil penetrating size is gradually changed during excavation, soil penetrating resistance can be reduced, and the hilling phenomenon is reduced. The digging shovel and the comb teeth are adopted for cooperative operation, the soil breaking capacity of the digging shovel can be kept, the soil penetrating resistance is reduced through the comb teeth, part of soil is screened out in the digging process, and the soil hilling phenomenon is reduced.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Large-scale tidal flat range extraction and elevation inversion method and system based on gridding segmentation
The invention provides a large-scale tidal flat range extraction and elevation inversion method and system based on gridding segmentation. The method comprises the following steps: S1, screening and preprocessing remote sensing images in a research area to obtain a remote sensing image set; s2, carrying out water body extraction on the screened remote sensing images based on a K-means + + algorithm to obtain a binary image set; s3, summarizing and calculating binarization results to obtain a pixel-by-pixel submerging frequency result, and extracting a tidal flat range; s4, carrying out the inversion of the tidal flat elevation based on the tidal flat elevation inversion model and the grid segmentation to obtain the tidal level information; and S5, spatial filtering post-processing is carried out on the elevation inversion result, and distortion points are removed. Based on the idea of gridding segmentation, the problem that the precision is limited by the assumption that tidal flats with the same tide submerging frequency have the same elevation only in a limited space range during large-scale tidal flat elevation inversion can be solved, and the precision and the speed are both achieved during tidal flat elevation inversion.
Owner:FUZHOU UNIV
Vehicle type mudflat shellfish collecting device
The utility model is suitable for the technical field of shellfish collection, and provides a vehicle type mudflat shellfish collecting device which comprises a main body, a ploughing conveying assembly is arranged on one side of the main body, a ploughing shovel is arranged in the ploughing conveying assembly, a first conveying piece is arranged in the ploughing conveying assembly, a shellfish cleaning piece is arranged in the main body, and the shellfish cleaning piece comprises a water tank. The water tank is fixedly connected with the main body, a second conveying piece corresponding to the first conveying piece is arranged in the main body, a water collecting groove corresponding to the second conveying piece is formed in the main body, a drainage pipe is arranged at the bottom of the water collecting groove, and a shower piece is fixedly connected to the inner wall of the main body. The shells in the storage box can be quantitatively conveyed into the screening barrel to be screened through mutual cooperation of the auxiliary part and the matching part, and the problem that the screening quality is reduced due to the fact that too many shells exist in partial areas of the mud flat and a large number of shells enter the screening barrel to be screened can be effectively solved.
Owner:ZHEJIANG OCEAN UNIV
Device and method for collecting and screening biological samples in mud flat intertidal zone
ActiveCN119278912AImprove filtering effectRealize the collectionSievingScreeningTidal flatFiltration
The invention relates to the technical field of beach intertidal zone biological sampling, and discloses a beach intertidal zone biological sample collecting and screening device and method.The beach intertidal zone biological sample collecting and screening device comprises a frame, beach intertidal zone biological samples can be sampled and collected, during sampling and collecting, the sampled samples can be screened and filtered, and silt in the samples can be filtered and removed; after filtration and removal, the filtered biological sample can be collected up and down, and filtration and collection at multiple positions can be realized; according to the cleaning and filtering device, cleaning can be achieved during filtering, water can be automatically supplemented, movable cleaning can be achieved during cleaning, cleaning is thorough, the cleaning and filtering process can be monitored, and the cleaning degree can be conveniently judged; according to the present invention, the device has characteristics of simple structure, easy operation, easy sample digging, easy filtration and screening, sample digging at a plurality of positions, movement on the mud flat, and sampling when the device moves to different positions.
Owner:BEIHAI FORECASTING CENT OF STATE OCEANIC ADMINISTRATION ((QINGDAO MARINE FORECASTING STATION OF STATE OCEANIC ADMINISTRATION) (QINGDAO MARINE ENVIRONMENT MONITORING CENT OF STATE OCEANIC ADMINISTRATION))
Tidal flat stable power generation control system
The invention discloses a mudflat stable power generation control system, and belongs to the technical field of power supply, the mudflat stable power generation control system is provided with a voltage stabilization structure and a sand blocking structure, the voltage stabilization structure comprises a transformer, a transformer input coil is connected with a mudflat photovoltaic power generation output end, and a transformer output coil is connected with a municipal power grid. The voltage of an output end is stabilized by controlling the number of working turns of an input coil of the transformer, so that the voltage is more balanced when the input coil is connected into a municipal power grid, and the balance of tidal flat photovoltaic power generation and power supply is improved, the sand blocking structure comprises a blocking groove, the blocking groove is obliquely arranged and fixedly connected between pile bodies, and a partition plate is fixedly connected between the groove walls of the two sides of the blocking groove; and the seawater of the tide enters the blocking groove and is sequentially blocked by the partition plates, and sand grains fall into the bottom of the blocking groove through the filter screen, so that the pile body is prevented from being scoured and accumulated by the seawater, and the stability of the pile body and the photovoltaic module is enhanced.
Owner:山东瑞智投新能源科技有限公司