83 results about "Tidal flat" patented technology

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.

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.

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.

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.

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.

The invention discloses a coastal tidal flat large-range remote sensing automatic extraction method, and belongs to the technical field of remote sensing tidal flat mapping, and the method comprises the steps: calculating a turbid water index pixel by pixel based on a cloud removal time sequence remote sensing image, selecting a comparison wave band according to the turbid water index, and calculating a self-adaptive mixed water index in combination with a green light wave band; for each image determined by the self-adaptive mixed water body index, calculating a value domain histogram of the image, and taking a self-adaptive mixed water body index value corresponding to a derivative mutation point in the value domain histogram as a self-adaptive land and water segmentation threshold value; calculating an improved normalized difference water body index scene by scene, extracting a maximum water surface range based on the improved normalized difference water body index and a self-adaptive water and land segmentation threshold value, extracting a tidal flat exposure frequency image based on each scene image and the self-adaptive water and land segmentation threshold value, and further extracting initial tidal flat spatial distribution; and generating a tidal flat spatial distribution visualization result after connectivity processing. According to the method, rapid, accurate and stable extraction of tidal flat space distribution in a large-range and complex environment can be realized.

The invention discloses a seedling raising and transplanting method for mangrove plant Aegiceras corniculatum based on external application of gibberellin, and belongs to the technical field of saline-alkali plant cultivation and mud flat ecological restoration. The method mainly comprises the four stages of seed disinfection and gibberellin soaking, germination cultivation, seedling cultivation, salinity domestication and mud flat transplanting. After being disinfected, the seeds are soaked in a gibberellin solution with the concentration being 300 mg / L, gibberellin with the same concentration is sprayed regularly during germination, and the germination rate and the germination speed are increased. In the seedling stage, humus soil and mud flat bottom mud mixed matrix is adopted for cultivation, and growth is promoted by spraying 100 mg / L gibberellin to leaf surfaces and injecting 25 mg / L gibberellin to rhizosphere. After seedlings are formed, the seedlings are subjected to step-by-step salinity domestication (5 per thousand to 30 per thousand), gibberellin spraying and rhizosphere injection are carried out at regular intervals, and the stress resistance of the seedlings is enhanced. The method can effectively shorten the seedling raising period of Aegiceras corniculatum, improve the seedling raising efficiency, enhance the adaptive capacity of seedlings to the tidal zone environment, and facilitate rapid recovery of a mangrove forest ecosystem.

This invention belongs to the field of coastal engineering and ecological restoration technology. It discloses a method for optimizing the design of beach ecological restoration trenches based on hydrodynamic simulation. The method includes: collecting beach hydrological datasets, topographic datasets, and ecological datasets, and preprocessing them. The hydrological dataset includes wave data, tidal current data, storm surge data, and sediment transport data. The topographic dataset includes shoreline slope, beach elevation, underwater topography data, and sediment source storage data. The ecological dataset includes tidal flat vegetation distribution, benthic organism density, ecologically sensitive area range, and water environment quality data. This invention, through the coupled processing of hydrological, topographic, and ecological multi-source datasets, obtains hydraulic reference values ​​and topographic adaptation values ​​for the trench, directly reflecting the regional dynamic conditions and the degree of topographic adaptation, significantly reducing the workload of manual calculation and trial and error.

This invention relates to a method for constructing a biodegradable mangrove ecological island based on dynamic tidal energy regulation, and an artificial island siltation device. The artificial island siltation device includes a bamboo gate system, a hemp rope net system, a fixed pile system, and a limiting system. A dynamic filtration structure is formed by the liftable bamboo gate and the hemp rope net. Utilizing the buoyancy difference and water flow velocity changes generated by tidal rise and fall, a synergistic effect is achieved: accelerating the passage of sediment-laden water during high tide and promoting siltation during low tide. A fully biodegradable material is used to construct a growing silt body. The buoyancy balance is regulated by the bamboo joint holes, ensuring the device remains suspended on the surface layer of the silt body. This allows for continuous siltation and elevation of the tidal flat, forming an artificial island that provides a site for mangrove seedling planting and meets the required daily sunrise duration for mangrove growth. The method and device of this invention have technical advantages such as low construction cost, dynamic adaptation to tidal changes, and avoidance of secondary pollution.

The present application relates to the technical field of geomorphology prediction, in particular to a tidal flat evolution prediction method and system based on a geomorphology model. The method comprises the following steps: obtaining geomorphology data, environmental parameter data and biological membrane characteristic data of a target tidal flat area; the geomorphology data comprises water depth distribution and sediment porosity; the environmental parameter data comprises tidal current velocity, fluid shear force, light intensity and water temperature; the biological membrane characteristic data comprises biological membrane thickness obtained by in-situ sampling; a biological membrane dynamic viscosity coefficient model is constructed based on the biological membrane thickness and the water temperature; the dynamic viscosity coefficient model represents a nonlinear enhancement effect of the biological membrane on sediment viscosity; a biological membrane growth rate feedback model is established based on the water depth distribution and the light intensity; the feedback model quantifies the coupling relationship between biological membrane growth in a deposition area and microtopographic factors; the present application can solve the problem of inaccurate evolution prediction under dynamic interaction of environmental factors.

The invention belongs to the technical field of ecological restoration, and particularly relates to a standardized mangrove forest ecological restoration system after a typhoon disaster. According to the method, the disaster degrees of the mangrove forest damaged by the typhoon are divided into severe disasters, moderate disasters and mild disasters on the basis of remote sensing images and field investigation; for severe disasters, lodging forest classification cleaning operation and landform restoration are implemented, big seedlings are selected for field planting in combination with tidal flat elevation, and reconstruction of a standardized mangrove forest ecological system is formed; in allusion to moderate disasters, pruning and complementary planting operation based on forest gaps are carried out, and the recovery efficiency of the primary forest stand is improved; for mild disasters, the forest stand canopy density is dynamically monitored by adopting an unmanned aerial vehicle, and corresponding grade intervention is adopted, so that accurate restoration is realized. According to the method, indigenous tree species are adapted based on the tidal flat environment and salinity, differential remediation operation is adopted, collaborative reconstruction of the mangrove forest ecological system structure and the coast protection function is achieved, and a standardized operation system breaks through limitation of traditional remediation.

This invention discloses a method and device for harvesting tidal flat shellfish using a vibration-induced burial method, belonging to the field of tidal flat shellfish harvesting technology. The harvesting method includes the following steps: arranging several cylindrical vibrators side-by-side and installing them on one side of a driving device; adjusting the center distance, vibration frequency, amplitude, burial depth, and moving speed of the driving device between the cylindrical vibrators; applying vibration to the tidal flat substrate using the cylindrical vibrators to induce localized liquefaction; and using the driving device to move the cylindrical vibrators, causing the buried shellfish to detach from the substrate and float to the surface for harvesting. In this invention, the cylindrical vibrators apply vibration to the tidal flat substrate to induce localized liquefaction, causing the shellfish buried in the substrate to separate from the substrate and float to the surface. This eliminates the need for overall excavation of the tidal flat substrate, and the cylindrical vibrators can move smoothly in the liquefied substrate, thereby reducing operational resistance and equipment load during the harvesting process.

The invention discloses a mudflat soil salinity remote sensing inversion method, which comprises the following steps of 1, acquiring mudflat area remote sensing data and ground actually-measured soil salinity data; step 2, constructing a composite spectral index as a salt sensitive characteristic; step 3, performing multi-dimensional feature fusion on the salinity sensitive features to construct a salinity sensitive feature set, and constructing a multi-dimensional fusion feature vector data set including a spectral dimension, a spatial dimension and a statistical dimension; 4, constructing a small sample adaptive deep learning salinity inversion model with a three-layer progressive feature extraction architecture, and training the model through a multi-dimensional fusion feature vector data set; and step 5, performing inversion through the trained small sample adaptive deep learning salinity inversion model to generate a regional soil salinity spatial distribution map. According to the invention, through novel composite spectral index construction, a multi-dimensional feature fusion system, a sample equalization strategy and a small sample adaptive model, high-precision inversion of mud flat soil salinity is realized.

The present application relates to the technical field of ecological restoration of intertidal oyster reef, and discloses an oyster reef component based on an intertidal photovoltaic pile foundation and a manufacturing method thereof, which comprises a sleeving mechanism, the bottom of the sleeving mechanism is provided with an adhering mechanism, and the bottom of the adhering mechanism is provided with a supporting and fixing mechanism; the sleeving mechanism comprises a half sleeve one and a half sleeve two, both ends of the half sleeve one are fixedly connected with plug blocks, both ends of the half sleeve two are provided with plug slots, the plug blocks and the plug slots are mutually inserted, both top ends of the half sleeve two are provided with mounting holes, the top of the two plug blocks is provided with plug holes, bolts are arranged between the mounting holes and the plug holes, and the inner side walls of the half sleeve one and the half sleeve two are provided with anti-skid pieces. The oyster reef component based on the intertidal photovoltaic pile foundation and the manufacturing method thereof can not only provide a suitable habitat for oysters, but also can repair the intertidal habitat of a photovoltaic field area, increase the types and density of benthic organisms, and restore the biodiversity of the photovoltaic field area.

The present application belongs to the technical field of oil and gas exploration, and particularly relates to a kind of exploration method of restricted tidal flat facies carbonate rock gas reservoir. Based on rock, logging data, seismic data, experimental test analysis data, through microfabric analysis, macro and micro combination approach, through rock fabric and mineral identification, restricted tidal flat facies rock development characteristics and regional scope are identified and defined; wherein the rock samples include pore development samples and samples with lithology of dark mudstone and argillaceous carbonate rock; frequency spectrum analysis method, weighted average method, organic matter mass balance method and coherent technology method are used to construct high-frequency sequence lithology-electricity interpretation model and multi-scale through-source fault transport pattern; thus, restricted tidal flat facies carbonate rock gas reservoir accumulation mode is obtained to explore restricted tidal flat facies carbonate rock gas reservoir. The present application innovatively explores restricted tidal flat facies carbonate rock gas reservoir, and solves the technical problems of identification and fine description of this type of gas reservoir.

The invention discloses an in-situ solidification device for mud flat silt soft soil. The in-situ solidification device comprises a mechanical arm, a first rotary stirring head, a second rotary stirring head and a stirring head support. The first rotary stirring head and the second rotary stirring head are symmetrical to two inclined lower sides of the stirring head support; a driving device in the stirring head support can drive the first rotary stirring head and the second rotary stirring head to rotate along respective axes; a curing agent grouting nozzle is arranged on the stirring head support; the upper end of the stirring head support is fixed to a vertical main shaft, the lower end of the mechanical arm is connected with an extending base in the length direction, and a transmission structure in the extending base can drive the main shaft to rotate along the axis. A rotating ring is coaxially arranged at the joint of the mechanical arm and the extension seat, and a transmission structure in the mechanical arm can drive the rotating ring to rotate along the axis; and the problems of non-uniform mixing, material waste and the like existing in traditional open type stirring are solved.

The application discloses a Landsat-based tidal wetland spatio-temporal evolution monitoring method, which comprises the following steps: S1, acquiring multi-temporal Landsat remote sensing image data of a target region and performing consistency preprocessing; S2, constructing a spectral index time sequence comprising NDWI, NDVI, PSRI and NIRv based on the preprocessed multi-temporal Landsat remote sensing image data; S3, generating key period images based on the spectral index time sequence; S4, performing initial classification of tidal flats and wetland vegetation based on the key period images to obtain initial classification maps year by year; S5, performing segmentation by using a LandTrendr algorithm based on the spectral index time sequence, and performing time sequence consistency optimization on the initial classification maps according to the obtained segmentation results to obtain optimized classification results; and S6, performing post-processing on the optimized classification results to generate a tidal wetland year-by-year dynamic classification data set. The application can generate a high-quality data set accurately reflecting the year-by-year dynamic evolution of a tidal wetland.

The application discloses a Spartina alterniflora rapid treatment method based on MICP and belongs to the technical field of Spartina alterniflora treatment. The Spartina alterniflora rapid treatment method based on MICP comprises the following steps: step one, cutting Spartina alterniflora by using a mower; step two, scattering quicklime powder into a treatment area, and turning the quicklime powder and the cut Spartina alterniflora straw into soil; step three, uniformly inserting a plurality of degradable hollow bamboo poles into the soil, connecting the hollow bamboo poles with a grouting pump, and injecting a reaction solution into the soil through the hollow bamboo poles; step four, after the injection of the reaction solution is completed, blowing a layer of sea mud on the soil; and step five, planting local plant species on the sea mud. The method can utilize microorganisms to induce the generation of calcium carbonate precipitation. After the calcium carbonate precipitation, the calcium carbonate precipitation is adsorbed in soil particle pores to block soil pores, a dense hardened layer is formed to hinder the growth of Spartina alterniflora, Spartina alterniflora can be treated rapidly at one time, and the rapid repair of a tidal flat wetland ecosystem can be realized.

The invention discloses a shoreline transition-tidal flat erosion and deposition collaboration evaluation method, which comprises the following steps of: firstly, selecting a research area, acquiring a multi-temporal high-resolution remote sensing image and tide level data at a corresponding imaging moment, and verifying; secondly, coastline information is extracted, correction is carried out in combination with an actually measured and repaired coastline, and then a digital coastline analysis system is used for quantitatively evaluating coastline transition features; then, sequentially carrying out water body information extraction, filtering and denoising, image binaryzation, morphological optimization, edge vector extraction and other processing on the basis of each scene remote sensing image, and obtaining time sequence remote sensing waterline data; and finally, constructing a digital elevation model by adopting a tidal flat terrain inversion method based on the water line elevation control point, analyzing the erosion and deposition dynamic state of the tidal flat after verification, and systematically revealing the coast evolution rule. Cooperative evaluation of shoreline and tidal flat changes is achieved, high practicability and expandability are achieved, and the precision and efficiency of coast evolution process monitoring are improved.

The present application provides a beach and tidal flat garbage relative pollution probability prediction method considering the influence of nearshore tide wave and target object activity, which comprises the following steps: S1, obtaining the basic data of the target beach; S2, calculating the beach and tidal flat garbage relative pollution probability P under the influence of tide wave scouring v ’ ; S3, calculating the beach and tidal flat garbage relative pollution probability P under the influence of nearshore wind-wave-current combination h ; S4, calculating the beach and tidal flat garbage relative pollution probability P under the influence of target object activity r ; S5, calculating the comprehensive beach and tidal flat garbage relative pollution probability P; S6, spatially classifying and visualizing the P values of each region obtained by calculation, and drawing a beach and tidal flat garbage relative pollution probability ranking diagram.

An annular columnar fish reef ring (100), and a method for constructing a coastal ecological field. The fish reef ring comprises combination piles (1), first connecting members (2), and connecting beams (3); a plurality of combination piles are vertically arranged in a tidal flat; the plurality of combination piles are arranged circumferentially; a plurality of first connecting members are correspondingly mounted on the combination piles; a plurality of connecting beams are arranged in parallel; two end of each connecting beam are respectively connected to first connecting members on adjacent combination piles; the connecting beams and the combination piles together form an annular enclosed structure. When the combination piles are arranged in a tidal flat, the connecting beams between the combination piles can achieve a supporting function on the tidal flat, preventing the combination piles from sinking too deep, which causes the annular columnar fish reef ring to sink into mud of the tidal flat as a whole; the formed annular enclosed structure becomes a habitat for marine organisms, helping to maintain the stability of the coastal ecological environment; the vertically arranged combination piles can regulate the flow velocity in shallow tidal areas, cut off rills on the tidal flat surface, prevent further erosion of the tidal flat surface, and stabilize the tidal flat surface.

This utility model relates to the field of static pile driving equipment technology, and discloses a tidal flat pile driving machine for precast long piles, which includes an excavator carrier and an integrated pile clamping and driving device. The excavator carrier includes an excavator and a support boom, and the integrated pile clamping and driving device is hinged to the front end of the support boom. The integrated pile clamping and driving device includes a telescopic and pile-grabbing mechanism and a pile-driving mechanism. The telescopic and pile-grabbing mechanism is used to clamp the middle section of the precast long pile and rotate the precast long pile from a horizontal state in the air to a vertical state. The pile-driving mechanism is used to drive the precast long pile into the soft mud foundation. This utility model greatly simplifies the structural design of the pile driving machine. The excavator carrier and the integrated pile clamping and driving device work together to independently complete each operation step of the precast long pile. It has the advantages of high construction efficiency, accurate pile verticality, stable equipment, and low overall cost, and can effectively solve the pile driving problem in photovoltaic power generation projects on soft mud foundations.

This invention provides a method for controlling Spartina alterniflora and promoting natural mangrove restoration based on rolling mulching and in-situ mud slurry, belonging to the field of ecological control technology. The method involves mechanically rolling Spartina alterniflora to flatten most of it and press it into the tidal flat soil. Then, a biodegradable mulch film is laid on top, and mud slurry is extracted and applied to form a mud slurry cover layer. A mangrove seed interception and planting device is then installed on the mud slurry cover layer to prevent mangrove seeds from growing naturally, thereby reducing the cost of Spartina alterniflora control and improving the efficiency of Spartina alterniflora control.

The application provides a tidal flat evolution prediction method and system based on a hybrid model, relates to the cross technical field of dynamic geomorphology and artificial intelligence, and comprises the following steps: a tidal flat erosion and deposition evolution database under different scenarios of a target coastal zone is constructed; a geomorphology prediction model is constructed based on the database through an artificial intelligence algorithm, water dynamic characteristic data is taken as input, and seabed erosion and deposition change is taken as output; hybrid simulation is performed based on a physical mechanism model and the geomorphology prediction model, long-time evolution prediction is realized by cyclic iteration and update of terrain boundary conditions; and a business application module is configured, an interactive interface is used to receive user input parameters, and visualized results are output. The application decouples traditional water dynamic-sediment-geomorphology coupling calculation into a chain process of cooperation of a physical mechanism and AI, significantly reduces calculation complexity, realizes off-line rapid calculation of tidal flat evolution, and provides real-time technical support for coastal zone planning and disaster prevention decision-making.

The invention discloses a mangrove forest and tidal flat dynamic monitoring method fusing tide level control and multi-source features, and relates to the technical field of image processing, and the method comprises the steps: defining a mangrove forest suitable growth region in a research region; generating an annual low-tide-level synthetic image according to the available image of the suitable growth area of the mangrove forest; according to the original tide level data, tide level matching images are screened from all the available images; features of mangrove forest, tidal flat and spartina alterniflora are extracted from the annual low-tide-level synthetic image and the tide level matching image respectively; performing training and hyper-parameter adjustment and optimization on the random forest model by utilizing the characteristics of the mangrove forest, the tidal flat and the spartina alterniflora; using the trained random forest model to classify the research area to obtain an initial distribution diagram of mangrove forest, tidal flat and spartina alterniflora; and post-processing the initial distribution diagram to obtain an annual distribution diagram of the mangrove forest, the tidal flat and the spartina alterniflora. The accuracy, reliability and efficiency of dynamic monitoring of the coastal wetland ecosystem can be remarkably improved.

The application discloses a kind of large-scale remote sensing automation extraction methods of coastal tidal flat, belong to remote sensing tidal flat mapping technical field, comprising: based on cloud-removing time sequence remote sensing image per-pixel calculation turbidity water index and select contrast band accordingly, and adaptive mixed water index is calculated in combination with green light band;For each image determined by adaptive mixed water index, calculate its value range histogram, the adaptive mixed water index value corresponding to the derivative abrupt point in graph is regarded as adaptive water-land segmentation threshold;Improved normalized difference water index is calculated per scene, based on improved normalized difference water index and adaptive water-land segmentation threshold, the maximum water surface range is extracted, and based on each image and adaptive water-land segmentation threshold, tidal flat exposure frequency image is extracted, further extract preliminary tidal flat spatial distribution;After connectivity processing, tidal flat spatial distribution visualization result is generated.The application can realize the fast, accurate and stable extraction of tidal flat spatial distribution in large-scale and complex environment.

The present application relates to a kind of tidal flat complex underlying surface wind turbine SAR identification method, comprising: generating annual SAR time series composite image;The mean value of each pixel in the preset backscattering coefficient interval of the composite image is calculated, and high backscattering value image is generated;High backscattering value image is binarized and segmented;The morphological processing is carried out to the binarized image to enhance high backscattering target;Multi-scale screening mechanism based on geometric features is established;Difference spatial resolution processing is implemented, and wind turbine point vector data is output.The beneficial effects of the present application are: the present application effectively improves the identification precision of tidal flat and open sea wind turbine, and provides reliable technical support for fine evaluation and management of offshore wind power resources.

The invention is a tidal flat biological sediment undisturbed sampling and vertical layering device, belonging to the field of sediment sampling devices, comprising a ground drill and a sampling assembly; the ground drill comprises a handheld part and a drill bit part, the drill bit part being rotationally connected to the handheld part; the sampling assembly comprises an inner cylinder without a bottom wall at the lower end; a connecting pipe is fixed to the circumferential outer wall of the inner cylinder and is fixedly connected to the handheld part; a rotating rod is rotationally connected in the connecting pipe; a plurality of connecting sleeves are arranged along the axis of the rotating rod, the connecting sleeves being detachably connected to the rotating rod, and a blade is fixedly connected to each connecting sleeve; a plurality of second slits are arranged on the circumferential outer wall of the inner cylinder along the axial direction, the blades being rotationally arranged along the axis of the rotating rod and being inserted into the corresponding second slits; an outer cylinder is sleeved on the inner cylinder, a liquid nitrogen cavity is formed in the outer cylinder, a liquid injection port is formed in the outer cylinder and is in communication with the liquid nitrogen cavity, and a screw plug is threadedly connected to the liquid injection port. The device can undisturbedly sample biological sediment and layer the sampled sediment. Moreover, the device can be stored at low temperature during transportation.

1. Name of the product in this design: Mudflat Clam Collection Equipment. 2. Purpose of this design: Equipment for collecting clams in tidal flats. 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 invention relates to the field of coastal salt marsh wetland ecological restoration, and particularly discloses a high tidal flat area restoration mode constructed based on multiple salt marsh vegetation communities, which comprises the following steps: selecting or artificially constructing a high tidal flat habitat suitable for salt marsh vegetation restoration; according to habitat conditions, determining planting positions and distribution of salt marsh vegetation combinations; arranging an anti-alternanthera philoxeroides device before transplanting and planting; after planting, the growth condition of the salt marsh vegetation combination is tracked, monitored and maintained to evaluate the survival rate of the salt marsh vegetation combination; according to the method, the local plant reed is combined, the arundo donax and the tamarix chinensis are planted in a matched mode, multi-layer plant buffer areas such as grass-grass and grass-shrub are formed in the mode of enriching the coast zone plants, so that the stability and toughness of the coast line are enhanced, and meanwhile the purpose of improving the carbon sink effect is achieved; the configuration combined recovery mode breaks through the previous recovery mode taking a single species as a main body, and provides a new strategy and mode for replacing local plants after the spartina alterniflora is removed, developing a coastal wetland ecological recovery technology and the like.