73 results about "Aeolian processes" patented technology

The invention discloses a high and cold arid region slope soil stability safety risk evaluation system and method, and relates to the technical field of slope engineering. The state of each side slope under multi-dimensional indexes such as freeze-thaw cycle frequency, dry-wet alternation index, wind erosion strength, shear strength, water content, porosity and fracture density is quantified, the feature similarity between any two side slopes is calculated, and then a side slope feature similarity matrix is formed. Based on the matrix, an unsupervised clustering algorithm (such as spectral clustering, similarity propagation and the like) can be adopted to divide a plurality of side slopes into similar subsets with structural characteristics similar to environmental response, and category attribution of risks is achieved. On the basis, structural variation analysis, historical instability statistics and central risk difference extraction are performed on similar slope samples, so that the internal instability tendency of the slope can be identified, and a risk prediction model suitable for the type of slope can be constructed through feature training.

The invention discloses a soil wind erosion measuring device and a soil wind erosion measuring method, relates to the technical field of wind erosion measurement, and provides the following technical scheme that the soil wind erosion measuring device comprises a supporting mechanism, a weighing mechanism, a measuring mechanism, a control mechanism and a scanning mechanism, the weighing mechanism, the measuring mechanism, the control mechanism and the scanning mechanism are all located on the supporting mechanism, the supporting mechanism comprises a first stand column, a second stand column, a third stand column and a fourth stand column, the outer surface wall of the first stand column is provided with a set of sand holes, and the outer surface wall of the second stand column is provided with a set of first supporting rings; the wind speed sensor, the wind direction sensor and the rainfall sensor are used in cooperation, intelligent linkage of environment perception and equipment operation is achieved, compared with traditional wind erosion monitoring equipment, the data acquisition dimension is upgraded to 4D from 2D, energy consumption is greatly reduced, and the wind erosion monitoring equipment is suitable for long-term unattended monitoring in the extreme environment.

The invention discloses a soil wind erosion treatment device which comprises a wavy grid structure, and the wavy grid structure is of a wavy three-dimensional structure formed by plastic sheets and is composed of a plurality of wave crest parts, a plurality of wave trough parts and grid units evenly distributed between the wave crest parts and the wave trough parts. A biomass rope is wound on the outer side of the trough part; the whole wavy grid structure is made of a plastic material with heat conductivity and an electrostatic adsorption function; the wave-shaped grid structure is fixed to the ground through anchoring inhaul cables. The whole soil wind erosion treatment device can be laid in a modularized mode, the wave crest arrangement direction and the anchoring point density are optimized according to the wind erosion terrain and the wind direction, and the soil wind erosion treatment device is suitable for wind erosion sensitive areas in arid and semi-arid areas. In practical application, the device can effectively relieve direct scouring of strong wind to surface sand grains, meanwhile, condensation, water catchment and sand stabilization are induced through the structure of the device, the ecological vegetation restoration process is gradually introduced, and the device has the ecological property and engineering property.

The utility model relates to the technical field of sand stabilization devices, and discloses a wind prevention and sand stabilization device for desertification control, which comprises two first baffles for desertification control, a plurality of third chutes are arranged on one sides of the two first baffles, sliding blocks are connected to the inner sides of the two opposite third chutes in a sliding manner, and the first baffles and the second baffles are connected with the sliding blocks in a sliding manner. Two second baffles are arranged on the inner sides of the first baffles, second conical plates are integrally formed at the bottoms of the second baffles, the first baffles and the second baffles are inserted into the inner side of sand at the selected position of the desert, and at the moment, wind prevention and sand fixation grooves capable of preventing wind and fixing sand are formed in the inner sides of the two first baffles and the second baffles; wind prevention and sand fixation plants can be planted on the inner sides of the wind prevention and sand fixation grooves, wind erosion and sand movement can be effectively prevented, so that sand dunes are fixed, the desertification progress is prevented from being aggravated, the first baffles and the second baffles can be conveniently inserted into or pulled out of the desert through cooperation of the sliding blocks and the third sliding grooves, and the wind prevention and sand fixation device is easy and fast to install and move.

The invention discloses a method for manufacturing a simulated earthen ruins rammed earth test wall based on original diseases, and relates to the field of earthen ruins protection and restoration. The method comprises the following steps: step 1, determining earthen archaeological site diseases to be researched and preparing materials; 2, mold assembling and disease marking are carried out; 3, layered ramming is conducted; step 4, crack disease processing; step 5, performing undercutting disease processing; 6, weathering disease processing; step 7, processing rain erosion diseases; and step 8, northwest environment simulation. The earthen archaeological site rammed earth wall is manufactured by integrating multiple disease collaborative simulation technologies of fissure, undermining, weathering and rain erosion, meanwhile, adaptability design of a strong wind erosion area, a strong sunshine area and a strong salinization area is made for northwest arid areas, and the method has the core advantages of disease reproduction authenticity, standardized grading, environment adaptability and the like; a scientific and reasonable technical means is provided for earthen archaeological site protection engineering, and a reliable test piece is provided for research and development of a protection technology.

The invention relates to an engineering method for changing desert sand into planting soil by using loess, which comprises the following steps: mixing loess containing clay particles and powder particles with desert sand to form plantable treated desert soil; a soil particle complete washing and screening method is adopted to obtain the content of clay particles in the plantable and treated desert soil; the clay content in the treated desert soil at least reaches 4% or above; the total amount of the fine-grained soil is at least more than 10%; the wind erosion resistance, the erosion resistance, the water retention capacity and the planting capacity of the treated desert soil are tested through a test method; and the loess addition amount is adjusted according to the test result, so that the required performance index is achieved, and the optimal planting soil is finally formed. According to the method, a soil particle complete washing and screening method is adopted, the measured clay particle content in loess is far larger than that in existing literature data, and the scientific discovery is the scientific basis for changing desert sand into cultivated land through loess. The method not only is beneficial to ecological environment restoration, but also can relieve cultivated land tension and benefit human beings.

The present invention provides a method and device for simulating wind erosion at a construction site, the method comprising the following steps: Step 1: Collect 0-5 cm surface soil samples of the riverside slope to be studied using a base with a detachable baffle on one side; Step 2: Combine a cover with an adjustable baffle with a base filled with topsoil to form an airtight space; Step 3: Connect an adjustable-speed blower to the cover to ensure airtightness at the interface, adjust the wind speed to a preset value, and simulate the normal wind speed of the research point; Step 4: Install a particle capture device at the opening on the opposite side of the cover connected to the blower to receive particles generated by wind erosion, and complete the measurement of wind erosion amount and particle size composition. This method fills the data gap caused by the incomplete collection of wind erosion products by the existing wind erosion monitoring method. The technical solution of the adjustable wind speed and slope windward angle of the present application has the technical effect of restoring the current and simulating the acquisition of wind erosion parameters under different degrees of future climate change conditions.

The invention discloses an arid region soil wind erosion prevention and control vegetation optimal configuration system, and relates to the technical field of arid region ecological restoration and soil wind erosion prevention and control. The system comprises the following components: a plant organ wind erosion rate determination module, a vegetation wear resistance database module, a wind erosion strength partitioning module, a vegetation gradient configuration execution module and a dynamic monitoring and feedback module. According to the invention, through the wind erosion and abrasion intensity partitioning module, the wind speed, the sand grain density, the terrain, the altitude and the seasonal dynamic change factors are comprehensively considered, an improved wind erosion intensity index algorithm is adopted, the region is accurately divided into strong, medium and weak abrasion regions, and the accurate partitioning provides a scientific basis for the subsequent vegetation configuration, so that the vegetation configuration can adapt to local conditions, and the vegetation configuration efficiency is improved. The vegetation gradient configuration execution module configures plants with corresponding wear-resistant grades according to regions with different abrasion strengths, and meanwhile, the vegetation gradient configuration execution module reasonably configures single-species or multi-species mixed vegetation based on a wear-resistant matching degree algorithm and a species complementarity algorithm.

The present application discloses an ecological function control method, device and equipment for a sandy land sand prevention and control project, which relates to the field of ecological restoration. The method includes: obtaining yellow sand information, vegetation coverage, soil information, meteorological information and water resource information of a target sandy area; determining the control space type of the target sandy area according to the yellow sand information, vegetation coverage, soil information and meteorological information; calculating the amount of soil wind erosion in the target sandy area according to the vegetation coverage, soil information and meteorological information; determining the water resource carrying capacity of the target sandy area according to the water resource information; determining sand prevention and control measures according to the control space type and soil wind erosion in the target sandy area; determining the bandwidth of sand prevention and control measures according to the water resource carrying capacity of the target sandy area; deploying sand prevention and control measures in the target sandy area according to the sand prevention and control measures and the bandwidth to control the ecological function of the target sandy area. The present application improves the effectiveness of sand prevention and control in the target sandy area, thereby improving the ecological function of the target sandy area.

The invention discloses multifunctional sand gum crusting powder as well as a preparation method and an application method thereof, and belongs to the technical field of sand stabilization, and the multifunctional sand gum crusting powder is obtained by taking flowing aeolian sandy soil as a basic material, respectively adding flaxseed gum powder, high-molecular water-absorbent resin powder and attapulgite powder, and fully and uniformly mixing. The preparation method of the multifunctional sand gum crusting powder is simple and easy to operate, does not need special equipment, is suitable for field construction site preparation, uses local basic raw materials, is cheap and easy to obtain, is low in cost, is less in sprayed water, is convenient for field construction, is obvious in sand stabilization effect, and does not affect plant growth. The sand gum crusting powder disclosed by the invention has the characteristics of wind erosion resistance, water retention and fertilizer retention, and after sand stabilization and afforestation, the sand gum crusting powder is scattered on the surface of the flowing sand, so that plant root systems are prevented from being exposed and dead due to wind erosion, and the purpose of comprehensively treating the flowing sand at low cost under a rain-fed condition is achieved.

The present invention discloses a soil wind erosion measuring device and a soil wind erosion measuring method, which relate to the technical field of wind erosion measurement. To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a soil wind erosion measuring device, comprising: a supporting mechanism, a weighing mechanism, a measuring mechanism, a control mechanism and a scanning mechanism, wherein the weighing mechanism, the measuring mechanism, the control mechanism and the scanning mechanism are all located on the supporting mechanism, and the supporting mechanism comprises a first column, a second column, a third column and a fourth column, a group of sand holes are opened on the outer wall of the first column, and a group of first support rings are installed on the outer wall of the second column, and the weighing mechanism comprises a sand-proof cylinder, and a wind speed sensor, a wind direction sensor and a rainfall sensor are arranged for use in conjunction to realize intelligent linkage between environmental perception and equipment operation. Compared with traditional wind erosion monitoring equipment, the data acquisition dimension is upgraded from 2D to 4D, which greatly reduces energy consumption and is suitable for long-term unattended monitoring in extreme environments.

The invention discloses a photovoltaic electric field sand and dust meteorological gradient three-dimensional monitoring and early warning system. According to the system, a plurality of gradient micro-meteorological station networks are arranged in a peripheral area, an edge area and a central area of a photovoltaic electric field, wind speed, wind direction, air temperature, humidity, air pressure, precipitation and radiation are measured at different heights, and soil temperature, humidity and conductivity sensors are buried; piezoelectric wind erosion sensors with different heights from the ground are arranged on the ground surface, and the sensors have particle counting, kinetic energy and single particle energy output and are provided with adjustable gains. The system is also equipped with a multi-rotor unmanned aerial vehicle to measure meteorological and dust concentration data at different heights above the photovoltaic panel. All data are recorded in a unified mode through the collecting unit and processed through a fusion algorithm, the intelligent early warning processing unit determines and calculates the dust damage degree through machine learning dynamic weight according to an improved damage index, and early warning is triggered when the index exceeds a threshold value. According to the invention, three-dimensional monitoring and intelligent early warning of sand and dust activities of the photovoltaic electric field can be provided.

The invention belongs to the technical field of ecological environment restoration, and particularly relates to an arid region gobi gravel curtain layer reconstruction method. Gobi in the arid region is subjected to earth surface leveling, gravel layer paving and saline pressing in sequence, and a gravel curtain layer is obtained. The gravel curtain layer earth surface reconstructed through the method has no obvious landscape difference with the surrounding natural gravel curtain layer earth surface, salt crust and gravel are tightly bonded together to form a hard soil protection layer, the earth surface can be effectively solidified, and soil wind erosion can be resisted.

The invention discloses a water and soil conservation and soil fixation system for preventing and controlling a wind erosion desertification area, and relates to the field of environmental governance, the water and soil conservation and soil fixation system for preventing and controlling the wind erosion desertification area comprises a water supply pipe frame and a drip irrigation nozzle, the water supply pipe frame is installed through a ground pile, and a wind direction monitoring rod is arranged on the water supply pipe frame; different from a common drip irrigation system in the prior art, the wind direction monitoring rod capable of sensing the wind speed and wind direction changes in the environment is arranged on the water supply pipe frame, and the flow speed adjusting mechanism and the pressure reducing valve are driven in real time in an associated mode according to the wind speed changes. The change of the wind speed and the wind direction drives the flow speed adjusting plate to carry to different degrees so as to change the opening degree of the drip irrigation nozzle, meanwhile, the deflection of the wind direction monitoring rod is linked with the rotation of the guide plate to change the irrigation range and flow, and the drip irrigation flow speed is controlled by adjusting the water pressure in the water supply pipe frame through the pressure reducing valve. And even two different use modes of drip irrigation and spraying can be switched.

The invention relates to the technical field of agricultural ecological environmental protection, and discloses a desertification farmland soil wind erosion monitoring system which comprises a controller, a wind direction self-adaptive sand collection unit and a multi-dimensional monitoring unit, and the wind direction self-adaptive sand collection unit and the multi-dimensional monitoring unit are electrically connected with the controller. The wind direction self-adaptive sand collecting unit comprises a fixed pile, a rotating base is arranged on the fixed pile, a main rod is arranged on the rotating base, a wind direction sensing assembly is arranged at the top of the main rod, multiple stages of sand collecting channels are uniformly arranged in the circumferential direction of the main rod, the inlet heights of the sand collecting channels are sequentially increased in the vertical direction, and a layered collecting box is arranged at the end, away from the inlet, of each sand collecting channel; the multi-dimensional monitoring unit comprises a near-surface wind speed monitoring assembly, a soil loss amount detection assembly and an environmental parameter acquisition assembly, the near-surface wind speed monitoring assembly comprises at least three wind speed sensors, and the heights of probes of the wind speed sensors are in one-to-one correspondence with the heights of inlets of the sand collection channels. According to the system, accurate, efficient and long-term acquisition of data such as the soil wind erosion amount and the particle structure of the desertification farmland is realized.

The present invention provides a test equipment for wind erosion and rain erosion of soil in an arid environment, and relates to the technical field of soil testing in an arid environment, comprising a test ground, a base, a wind measuring mechanism and an adding mechanism; a switching motor is installed on the side wall of the base through bolts, a double-helix screw is connected to the output shaft keyway of the switching motor, and the outer walls of the double-helix screw are respectively threadedly connected to a mounting plate and a truss; the wind measuring mechanism comprises a fan and a driving motor installed on the upper surface of the mounting plate, and the case finally selects a test ground in a natural environment, and divides the test ground into two blocks AB, because the outlet pipe mouth is far from the B surface, so the wind force of wind erosion is small, when the outlet pipe mouth is moved to the A surface, the outlet pipe mouth is close to the A surface, so the wind force of wind erosion is large, and under the condition of ensuring a fixed wind force, the wind erosion conditions of different wind forces on the test ground are realized, and the diversification of wind erosion tests is realized, and at the same time, users can also add sand and dust to simulate sand and dust wind.

The invention discloses a desert region water and soil resource allocation method which comprises the following steps: constructing a land suitability comprehensive evaluation model based on soil salinization degree, wind erosion intensity, underground water level and vegetation survival rate indexes, calculating a land suitability index DLI and performing land quality grading; considering the characteristics of high evaporation, strong leakage and salt leaching water demand of the desert region, establishing a water resource supply and demand balance model, and calculating the water resource bearing capacity of each subarea; establishing a multi-objective optimal configuration model by taking maximization of wind prevention and sand fixation effects, maximization of vegetation survival rate and minimization of economic investment as objectives, and solving an optimal configuration scheme by adopting an improved genetic algorithm; and establishing a configuration effect evaluation index system for scheme verification. Water and soil resources in the desert region can be scientifically and reasonably allocated, the resource utilization efficiency is improved, and technical support is provided for ecological management of the desert region.

The invention discloses an in-situ structure stabilization sand fixation system and a construction method and application of the in-situ structure stabilization sand fixation system.The in-situ structure stabilization sand fixation system comprises an in-situ quicksand base layer and a gravel sand fixation layer covering the surface of the in-situ quicksand base layer; wherein the gravel sand stabilization layer contains a plurality of relatively independent gravel-shaped structural units, and each gravel-shaped structural unit is formed by combining a plurality of sand grains. According to the method, in-situ modification and recombination are carried out on particles on the surface layer of the quicksand, under the condition that an exogenous gravel covering structure is not introduced and an independent covering or blocking component is not arranged, a gravitated sand stabilization layer with stable structural characteristics is constructed on the surface of the quicksand, and therefore starting and migration of sand grains under the wind action are restrained. According to the structure, the wind erosion resistance of the earth surface is improved, meanwhile, the dependence on external materials is remarkably reduced, and the engineering feasibility is improved from the aspects of material sources and construction organizations.

The application discloses a kind of multi-species cooperation's desert vegetation reconstruction method and system, belong to ecological restoration field, based on temperature and humidity change, fine particle soil proportion and wind erosion response lagging behind identification potential wind erosion-thermal response stress coupling area;Microclimate data is collected to construct water vapor dispersion tensor matrix;According to tensor matrix configuration pioneer plant and symbiotic plant combination, and inoculate dormant state mycorrhizal spore, form basic repair unit;Humidity control induction layer is constructed in its periphery, and bacteria proliferation simulation is carried out;Secondary wind erosion blocking structure is constructed by introducing structure induction type plant;Further introduce associated behavior insect and induce plant and fungi-root mutual feeling adjustment device, construct ecological interaction system;Finally output self-maintenance ability analysis index, guide multi-unit parallel repair;The application realizes microclimate regulation, rhizosphere symbiosis, wind erosion protection and the cooperative reconstruction of ecological stability, is suitable for wind erosion strong, drought heavy, microhabitat broken extreme degradation area.

The invention relates to the field of desert soil fixation equipment, the desert soil fixation equipment comprises a supporting column and a storage mechanism, the outer wall of the supporting column is rotatably connected with a mounting frame in a surrounding manner, the inner wall of the mounting frame is fixedly connected with a water pipe, the outer wall of the water pipe is fixedly connected with nozzles at equal intervals, and the lower surface of the supporting column is fixedly connected with fixing nails. The storage mechanism comprises a round block, equipment is stored, soil fixation plants can be automatically irrigated and shaded, the situation that the irrigation effect is affected due to rapid evaporation of irrigation water caused by rapid evaporation of high-temperature water is prevented, meanwhile, manual irrigation of workers is not needed, the labor intensity of the workers is reduced, the equipment can be stored after fixation is completed, and movement is convenient. The dustproof net shakes to shake off dust on the surface, sand storm can be blocked, sand is prevented from submerging soil fixation plants and affecting plant development, meanwhile, the sand on the surface of the dustproof net can be automatically cleaned, and the sand is prevented from adhering to the dustproof net and affecting the dustproof effect of the dustproof net.

This invention relates to the field of wind and sand control technology, and more particularly to a method for monitoring and managing wind erosion deformation in wind and sand control projects. The method includes: establishing monitoring points for the engineering status of the control project based on its geometric shape and the direction of the sand ridge line; constructing a structural deformation sub-model and a surface morphology sub-model based on historical data from these monitoring points; acquiring sets of structural deformation parameters and surface morphology parameters based on the monitoring points; and determining the first degree of agreement between the output of the structural deformation sub-model and the structural deformation parameter set, and the second degree of agreement between the output of the surface morphology sub-model and the surface morphology parameter set, respectively. This invention enables real-time monitoring of the status of the control project by establishing monitoring points, preventing the need for large-scale rework due to prolonged wind and sand erosion and untimely treatment, which would otherwise affect wind and sand control efforts at the project's installation location.

The invention belongs to the technical field of performance test of reinforcing agents, and provides an earthen ruins reinforcing agent comprehensive performance standardization test and adaptability evaluation method, which comprises the following steps: S1, collecting a representative undisturbed soil sample from an earthen ruins site to be reinforced; s2, measuring the color difference change of the sample before and after reinforcement by using a full-automatic color measurement colorimeter, and irradiating for a fixed time length under a high-pressure mercury lamp; s3, the samples before and after reinforcement are completely soaked in water, the disintegration condition is recorded, and the disintegration-resistant time is assess.The representative soil samples are collected from the site to be prepared into the samples of different specifications, and the color change and ultraviolet ray resistance test, the humidification disintegration test, the unconfined compressive strength test, the freeze-thaw cycle test and the wind tunnel erosion test are conducted in sequence; and quantitatively evaluating the influence of the reinforcing agent on the appearance stability, water resistance, mechanical property, freeze-thaw resistance and wind erosion resistance of the soil body, introducing an environmental adaptability correction coefficient, and finally obtaining a comprehensive adaptability grade through a weighted scoring system.

The present invention discloses a method for calculating a high-resolution surface wind erosion index, which comprises the following steps: step 1, selecting high-resolution remote sensing data; step 2, preprocessing data; step 3, removing snow; step 4, calculating the normalized vegetation index; step 5, calculating the surface wind erosion intensity; step 6, post-processing data. The present invention can perform refined display and seasonal update of the surface wind erosion index in river valleys and other areas, and has certain positive significance in the numerical simulation and forecasting of regional high-resolution sandstorm weather.

The invention discloses a desert photovoltaic power station board front sand surface wind erosion prevention method, which comprises the following steps that: in order to deal with the condition that the difficulty of regular inspection and maintenance of sand barriers in desert areas is large, sand barrier loosening, deformation and board front sand surface erosion parameters are analyzed to obtain a sand barrier damage value; comparing the sand barrier damage value with a sand barrier damage threshold value, judging whether the sand barrier is damaged or not according to a comparison result, and if yes, generating a damage signal; based on the damage signal, analyzing maintenance information of the damaged area to obtain a damage characterization value; comparing the damage characterization value with a damage characterization threshold value, judging whether the corresponding area is a high-frequency damage area or not according to a comparison result, and if yes, generating a high-frequency damage signal; based on the high-frequency damage signal, the relevance between sand barrier damage and stress is analyzed, and a stress relevance value is obtained; and comparing the stress association value with a stress association threshold value, judging whether the sand barrier damage is associated with the stress or not according to a comparison result, if so, generating an association signal, and performing targeted maintenance on the sand barrier.

This invention discloses an experimental device for simulating combined rainfall-wind erosion-freeze-thaw erosion slopes. It includes an experimental chamber and a door mounted on its front side via hinges. Locks are embedded in the right side of the front and rear sides of the door. This invention, through a series of structural features, allows personnel to flexibly adjust the slope and inclination of the soil carrier plate according to the slope's gradient and direction. This better simulates the actual slope's gradient and direction during experiments, avoiding significant deviations from the actual slope condition that could lead to large experimental errors. It is easily adaptable to experiments on different types of slope soils, improving simulation effectiveness, applicability, and flexibility. It assists personnel in conducting freeze-thaw experiments, timed automatic wind erosion experiments, and timed automatic water spraying experiments on slope soils. Furthermore, it helps personnel filter and collect dust and sand, reducing the direct and large-scale dispersion of dust and sand that could pollute the laboratory environment or affect the health of experimental personnel and the normal operation of experimental instruments.

The invention provides a sand area ecological restoration dynamic planning system and method based on multi-source data fusion, relates to the technical field of ecological restoration and computer simulation, and aims to solve the problems of existing restoration model decoupling and evaluation index apparent. A physical state space model coupling wind erosion dynamics and a soil hydrological process is constructed, and the core of the model is to quantify interaction among sand amount, moisture and roughness by using a dynamic state transition matrix; calculating a landform process entropy increase rate based on a physical state space model, and using the entropy increase rate as a physical risk index to identify a restoration priority; and finally, matching and outputting differentiated repair schemes according to the priorities. According to the method, through the coupling model and the physical risk index, quantitative evaluation of the degeneration risk of the sand area and accurate configuration of the restoration resources are realized, and the scientificity and input-output benefits of restoration planning are improved.

The invention belongs to the technical field of geological depth detection, and discloses a geological depth measuring device capable of self-adapting to an angle. Comprising a driving assembly; a rotating assembly; a measuring assembly; a contact assembly and a fixing assembly. By installing the newly designed supporting assembly, when the supporting assembly deforms due to stress, the fixing assembly can rotate and change according to the depth of the contact assembly inserted into the concave pit, the deeper the concave pit is, the smaller the V-shaped included angle formed by the six clamping plates and the protruding block is, and when the clamping plates rotate around the protruding block, the clamping plates can rotate around the protruding block. The first spring in the support can be lengthened and deformed under the sliding relation between the sliding piece and the protruding block, the support adapts to the compression degree of six different supporting assemblies, the whole equipment is prevented from sinking in soft soil, and the problems that an existing support is often fixed, and the support cannot be damaged due to the influence of natural factors such as rainwater or wind erosion are solved. The edge of the geological depression can be accumulated to form soil slopes of different degrees, and an existing support cannot be adjusted in a self-adaptive mode.

The invention provides a soil wind erosion-sand dust release model construction method based on a physical mechanism, and the method comprises the steps: constructing the critical friction wind speed of different sand grains, and introducing the roughness and soil humidity to correct the critical friction wind speed. Calculating the horizontal jump flux under a single particle size condition by combining the critical friction wind speed, and performing weighted integration by combining the soil particle size distribution to obtain the horizontal jump flux under the mixed particle size. Furthermore, in combination with the mixed particle size horizontal jump flux, the vertical dust release flux is calculated, and an emission source item consistent with the atmospheric mode particle only interval is output. In the scheme, the roughness, the soil humidity, the soil particle size distribution and other key underlying surface parameters are converted into physical constraint conditions, and the influence of the particle size distribution and the underlying surface state temporal and spatial change on the wind erosion rate and dust release is fully considered, so that the systematic deviation introduced by representative particle sizes and constant quantization parameters is reduced; therefore, the simulation precision can be improved, and the uncertainty of a simulation result is reduced.