44 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 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 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 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 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 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.

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.

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 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.

The present application relates to the technical field of water and soil conservation, and particularly relates to a soil wind erosion conservation amount monitoring method, system and electronic device, the method comprising: calculating actual wind erosion modulus of a preset area according to a ground roughness factor, a vegetation coverage factor, a meteorological factor, a soil erodibility factor and a soil crust factor of the preset area, calculating maximum wind erosion modulus of the preset area according to a preset maximum vegetation coverage factor, and the ground roughness factor, the meteorological factor, the soil erodibility factor and the soil crust factor of the preset area; and further obtaining soil water erosion conservation amount of the preset area. On the one hand, the method is applicable to small-scale and occasional soil wind erosion conservation amount, and on the other hand, the method can meet the monitoring of soil wind erosion conservation amount of a large area by using a UAV, especially can conveniently and quickly monitor soil and water loss events in remote areas, avoid manual monitoring, and is high in efficiency.

The application provides a RegCM model optimization method coupled with a WEDEM sand raising scheme, inherits original input variables of an original DEAD scheme of the RegCM model, and obtains newly added input variables obtained through soil texture classification mapping; a calculation kernel of the WEDEM sand raising scheme is used to replace a calculation kernel of an original DEAD scheme of a CLM4.5 sand dust release module in the RegCM model; the original input variables and the newly added input variables are jointly input into the calculation kernel of the WEDEM sand raising scheme, and effective sand raising area fractions, vertical sand dust fluxes in particle size intervals and total vertical sand dust fluxes are output under the condition of keeping consistent with an output interface of the original DEAD scheme. The scheme improves the simulation precision of sand dust release, reduces the uncertainty of the model, has good scalability, and is suitable for various application scenarios such as arid region soil wind erosion-sand dust release risk assessment and wind prevention and sand fixation engineering benefit assessment.

The invention relates to the technical field of environment monitoring, in particular to a desert wetland underground humidity and surface wind erosion automatic monitoring method and device, and the device comprises a temperature change rate prediction module, an FIFO buffer preloading module, a hardware trigger direct connection module and a signal synchronization alignment circuit. A temperature compensation value is predicted through a recursive least square method, and humidity signal compensation and sampling alignment of sub-millisecond level delay are realized in combination with a hardware-level synchronization mechanism. According to the application, the problem of data link breakage caused by thermal response lag and MCU interruption delay in an extreme environment by a traditional monitoring means can be solved, the timeliness and precision of a monitoring system are remarkably improved, and the method is suitable for long-term stable monitoring of complex environments such as desert wetland and the like.

The invention belongs to the technical field of desertification control, and provides a method for preventing and treating wind erosion desertification soil, which comprises the following steps: acquiring three-dimensional terrain, soil and microclimate data of a target area by using an unmanned aerial vehicle multispectral sensor, performing wind erosion risk zoning in combination with machine learning, and matching suitable plants with a microbial agent library; a biodegradable polymer is sprayed to form a sand fixation net layer, hydrophobic modification is conducted, microorganisms such as nitrogen-fixing bacteria are inoculated, and biological crust is cultivated; a slow-release fertilizer, a water-retaining agent and a honeycomb basal disc of a seed bank are arranged below the sand stabilization layer; establishing a windbreak forest belt at the edge of the area, monitoring crust and soil erosion damage at regular intervals in a direction perpendicular to the wind direction, and maintaining and reseeding according to conditions to prevent wind, stabilize sand and restore ecology; the sand stabilization layer, the biological crust, the degradation basal disc and the windbreak forest belt are combined, a multi-layer and all-around prevention and control system is formed, wind erosion can be effectively resisted, the soil quality is improved, vegetation growth is promoted, and comprehensive treatment of desertified soil is achieved.

The invention discloses a multi-species synergistic desert vegetation reconstruction method and system, and belongs to the field of ecological restoration, and the method comprises the steps: recognizing a potential wind erosion-thermal change stress coupling region based on temperature and humidity change, fine-grained soil proportion and wind erosion response hysteresis; collecting microclimate data to construct a water vapor gathering and scattering tensor matrix; configuring a pioneer plant and symbiotic plant combination according to the tensor matrix, and inoculating dormant mycorrhizal spores to form a basic restoration unit; a humidity control induction layer is constructed on the periphery of the culture medium, and flora proliferation simulation is carried out; introducing a structure induction type plant to construct a secondary wind erosion blocking structure body; further introducing an associated behavior insect to induce a plant and fungus-root mutual inductance adjusting device to construct an ecological interaction system; and finally, outputting a self-sustaining capability analysis index, and guiding multi-unit parallel repair. According to the method, collaborative reconstruction of microclimate regulation and control, rhizosphere symbiosis, wind erosion protection and ecological stability is achieved, and the method is suitable for extremely degraded areas with strong wind erosion, heavy drought and broken microhabitat.

The invention discloses a wind erosion monitoring equipment efficiency test system and method, and the system comprises a wind tunnel test room, a sand bed, a three-dimensional laser scanner, wind erosion monitoring equipment and a data processing module, and the sand bed, the three-dimensional laser scanner and the wind erosion monitoring equipment are all disposed in the wind tunnel test room. And scanning the surface form of the whole sand bed before and after blow-erosion through a three-dimensional scanner. By integrating the wind tunnel, the standard sand bed and the three-dimensional laser scanner, the wind erosion monitoring equipment efficiency standard testing process and testing method and the data processing process and method are defined, the method has the advantages of being high in precision and capable of being copied and popularized, wind erosion monitoring data quality can be improved, and a foundation is laid for metering standardization of water and soil conservation monitoring equipment.

The invention relates to the technical field of soil organic carbon extraction, in particular to a graded extraction and matrix purification method for soil organic carbon in a wind erosion product, which comprises the steps of sample pretreatment, graded extraction, multi-stage matrix purification, freeze concentration and collection, and post-treatment. The invention provides a soil organic carbon graded extraction and matrix purification method which is high in adaptability with wind erosion products, high in extraction efficiency and high in extraction purity. The combined technology of gradient screening, low-temperature grinding and density liquid pre-separation is adopted, and the characteristics that a wind erosion product has many sand grains and organic carbon is prone to oxidation loss are precisely adapted; an active-semi-active-stable three-stage extraction system is constructed, so that the extraction efficiency of organic carbon is improved, and the detection requirements of carbon cycle research in a wind erosion region on different active organic carbon components are met; and in multi-stage matrix purification, step-by-step removal of sand grains, metal ions and salt residues is realized, the purity of an extracting solution is remarkably improved, and the method has a wide application prospect.

The application discloses a method for predicting meteorological dust accumulation cleaning requirements of a photovoltaic module based on a numerical mode, selects a SSP-RCP scenario and future simulation data of multiple global climate modes and historical precipitation data from a CMIP6 data set; for a target region, the future and historical precipitation of each grid point is calculated; then, the annual effective deposition of each grid point is calculated, the core of which is to correct the conversion of vertical deposition to the inclined surface of the photovoltaic module through the effective deposition coefficient, and to quantify the wind loss through the wind erosion correction; finally, based on the annual effective deposition, the theoretical annual cleaning frequency of the photovoltaic module of each grid point is calculated, thereby providing a quantitative basis for differentiated operation and maintenance.

The invention belongs to the technical field of soil wind erosion simulation equipment, and provides a wind erosion simulation experiment device, which comprises a simulation wind tunnel main body with one end provided with a wind supply regulation and control assembly and the other end provided with an air outlet; the experiment bed is arranged in the simulation wind tunnel body and used for bearing a soil sample, and an angle regulation and control assembly is arranged between the experiment bed and the simulation wind tunnel body and used for adjusting the angle, facing the wind supply regulation and control assembly, of the experiment bed; the sand collection metering assembly comprises a plurality of sand collection boxes, the sand collection boxes are fixed at different heights through a supporting mechanism, air guiding pipes are arranged on the sand collection boxes, and the air guiding pipes are located at different heights, located at the air outlet end of the simulation wind tunnel body and face the air supply regulation and control assembly; the sand collecting box is used for quantitatively collecting soil particles carried in the wind erosion process in a grading mode. According to the invention, high integration of wind erosion simulation, graded sand collection, real-time weighing and data acquisition is realized, and an efficient tool is provided for research of a soil wind erosion mechanism.

The slope water and soil conservation system comprises a slope body, a layered protection structure, a dynamic monitoring module and a biological isolation belt are arranged on a slope body of the slope body, and the layered protection structure is composed of a nanofiber net on the upper layer, vegetation symbionts planted on the middle layer and honeycomb-shaped geocells on the slope toe. The honeycomb geocell is filled with a mixture of local weathered rock debris and humus, and the dynamic monitoring module comprises a soil humidity sensor and a wind speed sensor matched with the soil humidity sensor. The method is suitable for the problems of slope vegetation damage, water and soil loss and wind erosion caused by engineering disturbance such as new energy development in the low-latitude plateau area, and the ecological restoration target is achieved through the synergistic effect of layered protection, intelligent monitoring and biological isolation.

The invention relates to the technical field of desertification control, and discloses sand stabilization coarse particles and a preparation method thereof and a combined sand stabilization method.The sand stabilization coarse particles are prepared from, by weight, 60-90 parts of desert in-situ sand, 0.5-5 parts of plant fibers and 5-30 parts of curing excitation reaction components, and the curing excitation reaction components are alkali excitation curing components or biological mineralization reaction components; under the condition that the alkali-activated curing component is adopted, the sand-fixing coarse particle further comprises 5-40 parts of an active material, the active material is selected from at least one of fly ash, granulated blast-furnace slag, metakaolin, volcanic ash or tailing powder, and the total content of SiO2 and Al2O3 in the active material is not lower than 30wt%; the particle size range of the sand stabilization coarse particles is 5-200 mm. According to the technical scheme provided by the invention, the sand stabilization treatment targets of low exogenous dependence, large-scale construction and long-term stable wind erosion resistance can be achieved.

The invention relates to the technical field of soil regulating materials or soil stabilizing materials, and discloses a maintenance-free seasonal external aeolian sandy soil delayed microorganism activation and improvement method, which adopts a microbial agent for generating a biological membrane to improve soil and adopts seeds of creeping turfgrass to restore vegetation to take local materials as much as possible to treat aeolian sandy soil. However, the time for applying the material into the soil is in a dry season with a clear plot range eroded by seasonal external aeolian sandy soil, and the time for taking effect is in a rainy season without special watering maintenance. In dry seasons, the seed protection blocks and the microbial inoculum slow release strips are adopted to ensure that the seeds and the microbial inoculum are in a dormant state, do not germinate in advance and are not damaged due to exposure in the environment. A seed protection block and a sand-fixing net felt layer are used for inhibiting wind erosion, and a sunshade carbon source layer is used for preventing microbial inoculum death. In rainy seasons, the seed protection blocks and the microbial agent slow-release strips are degraded to release seeds and microbial agents and germinate, the degraded seed protection blocks are used for fertilizing the seeds, and the sand stabilization net felt layer and the sunshade carbon source layer provide fermentation substrates for the microbial agents to generate biological membranes, so that soil is improved, and vegetation is recovered.

This invention discloses a composite microbial agent for the ecological restoration of shifting sands, its preparation method, and its application. The composite microbial agent includes *Lystrophus*, *Pseudomonas favosa*, *El Zurumiella*, and *Bacillus*. The composite microbial agent protected by this invention can form a biological crust with both wind erosion resistance and moisture retention functions on the surface of desert shifting sands in a short period. Furthermore, it doubles the natural colonization of pioneer plants on the shifting sand surface within four months, visually verifying the tangible effects of this technology in fixing shifting sands and increasing vegetation cover. This provides an engineering-feasible technical support for the rapid stabilization of sand dunes and the ecological restoration of desertification.

The present application relates to the technical field of environmental ecological restoration, and provides a dry mining area soil reconstruction method, comprising the following steps: sequentially arranging a lower water-resisting layer, an intermediate water storage layer and an upper gravel curtain layer on the surface of a dry mining area waste land, the lower water-resisting layer is a waterproof material layer or a clay layer, the soil used in the intermediate water storage layer is sandy soil or loamy sand, and the upper gravel curtain layer is formed by gravel with a particle size not less than 5 mm. In the present application, the upper gravel curtain layer can quickly infiltrate surface water into the soil, reduce the water evaporation speed of the lower soil, effectively store precipitation, and also increase the surface roughness and reduce soil wind erosion; the intermediate water storage layer can store the infiltrated surface water; and the lower water-resisting layer can prevent the water infiltration depth from exceeding the absorption range of the vegetation root system. The present application can effectively restore the vegetation in the dry mining area, has low restoration cost, short restoration time, and effectively solves the existing problems of the current vegetation restoration in the dry mining area.