24 results about "Wetland soils" patented technology

The application discloses a tidal flow artificial wetland tail water sediment secondary degradation device and a use method, and belongs to the technical field of tidal flow wetland sediment treatment. The device comprises a rigid support and a rotating motor. The top of the rigid support is supported by a rigid supporting plate, and a tail end plate is installed on the rigid supporting plate. A plurality of telescopic mechanisms are installed on the rigid supporting plate. The rotating motor is suitable for driving the plurality of telescopic mechanisms to extend and retract. The output end of the plurality of telescopic mechanisms is provided with a scraper, and the scraper moves on the rigid supporting plate. The rigid supporting plate is arranged to be inclined, and a mounting notched plate is arranged on the side away from the tail end plate. The device further comprises a stirring motor, which is installed in the mounting notched plate. The bottom of the stirring motor is provided with a slurry conveying part, which pumps the stirred slurry to the surface of the wetland soil layer. The application can ensure that the urban tail water can be fully degraded twice by stirring or depositing the mixture in the tidal water flow during the rising tide and the falling tide of the tidal flow artificial wetland, and then conveying the mixture back to the wetland.

The utility model relates to the field of soil detection, in particular to a desert wetland soil evaporation capacity detection device. The desert wetland soil evaporation capacity detection device provided by the utility model can be used for detecting the moisture of soil in the evaporation dish while detecting the moisture of soil at different depths, is convenient to compare, improves the accuracy and reliability of detection and is convenient to use. A desert wetland soil evaporation capacity detection device comprises a placement table, insertion rods and the like, and the left and right parts of the placement table are connected with the front and rear insertion rods. Changes of soil moisture in the evaporation dish are measured at regular time through the weighing device and recorded, meanwhile, the soil moisture sensor is moved to different depths to detect and record the moisture in the soil, and then the evaporation capacity is calculated through data comparison. Therefore, moisture of soil in the evaporation pan can be detected while moisture of soil at different depths is detected, comparison is facilitated, detection accuracy and reliability are improved, and use is convenient.

The utility model discloses a multifunctional ecological unit riparian zone structure for reducing runoff pollution. The multifunctional ecological unit riparian zone structure comprises a green land unit arranged on a high land on the bank side, a gabion unit arranged on a side slope and a water side wetland unit arranged beside a river water body. The greenbelt unit comprises a soil layer, and an ecological plant layer is arranged on the surface of the soil layer; the gabion unit comprises four gabion units, the bottom of the first gabion unit and the bottom of the second gabion unit are located at the same height, and the contact portions of the first gabion unit and the second gabion unit form a viscous flow zone. A 10% first slope is arranged at the top of the second gabion unit, and a controllable water outlet is formed in the bottom of the second gabion unit; and the waterside wetland unit comprises wetland soil and emergent aquatic plants planted in the wetland soil. By optimizing the water flow path and organically combining the multifunctional ecological units, pollutants in rainwater runoff can be efficiently reduced, meanwhile, the ecological function of a riparian zone is recovered, and the water quality purification capacity, the landscape function and the ecological system service capacity of the riparian zone are improved.

The application discloses a kind of wetland protection monitoring equipment, it includes: monitoring column frame, vertical erection is set on wet area soil, the lower portion of the monitoring column frame is fixed with mounting disc, the mounting disc is fixed on ground by multiple insertion rods horizontally;Soil detection component is multiple, and is distributed in circumference, and mixing and conveying device is fixed on the monitoring column frame, and is connected with each soil detection component, the mixing and conveying device can be in wetland soil monitoring to the wetland soil conveyed in one or more soil detection components on the upper conveying;Inspection unmanned aerial vehicle;Unmanned aerial vehicle carries and releases frame, horizontal erection is set on the upper end surface side of the monitoring column frame, for the takeoff of inspection unmanned aerial vehicle, the inspection unmanned aerial vehicle can be sent to the wetland soil sample conveyed in mixing and conveying device;Temperature and humidity monitoring device is installed on the monitoring column frame;And power solar panel is fixed on the monitoring column frame with inclination.

The invention relates to the technical field of surveying and mapping systems, and discloses a wetland territorial surveying and mapping support system based on a multi-angle rotating structure, which comprises a mounting seat, the edge of the lower end of the mounting seat is uniformly and rotatably connected with a supporting mechanism through a connecting seat, and the lower end of the mounting seat is connected with a locking mechanism, the supporting mechanism comprises round rods symmetrically and fixedly connected to the lower end of the connecting base, the lower ends of the two round rods are jointly and rotationally connected with a limiting base, supporting legs are slidably connected to the limiting base, and ground anchors are fixedly connected to the lower ends of the supporting legs. The wetland territorial surveying and mapping support system based on the multi-angle rotating structure can effectively solve the problems that in the prior art, wetland soil is loose, the water content is high, bearing is weak, the contact area of supporting legs of a conventional surveying and mapping support is small, local pressure intensity exceeds the soil limit, sinking is prone to occurring, and supporting is damaged; and simple base plates additionally arranged on part of the bracket and supporting legs are not effectively fixed and are easy to slide, so that the posture of an instrument is deviated and the surveying and mapping precision is influenced.

The application discloses a kind of based on blue-green space pattern optimization comprehensive soil remediation method, belong to soil remediation field, especially relate to wetland soil, the remediation method is as follows: (1) the water level of wetland is reduced to lowest point and exposes wetland soil, so that wetland bed is in water unsaturated state;(2) in wetland soil, water floating purification particles are scattered, then covered with thin soil, and plants are planted;(3) after treatment time is greater than 30 days, water can be added or stored, and water floating purification particles are removed from the water surface, and the remediation is completed.The application solves the problem of wetland soil remediation difficulty, helps to improve the ecological benefits of blue-green space, and promotes regional sustainable development.

This invention relates to the fields of ecological environment monitoring and geographic information technology, and particularly to a method and system for quality assessment of coastal wetland soil sampling points based on multi-source environmental data. The method integrates remote sensing, climate, topography, marine, and historical land cover data, extracts and standardizes indicators, and constructs environmental similarity scores (weighted Mahalanobis / nearest neighbor weighted Euclidean), historical consistency scores (multi-temporal cover + migration penalty), and source reliability scores (metadata integrity + anomaly detection + NDVI-SOC residual). An adaptive weighted fusion is used to obtain a comprehensive score and classify the data into A / B / C levels, outputting a report and a high-quality sampling point set. The system includes data access, a scoring engine, and a visualization module, which can significantly improve the accuracy and robustness of soil mapping and carbon storage assessment.

The invention discloses a simulation observation device for coastal wetland soil micro-ecology research, which comprises an observation pool, a simulation wetland planting area, a tide simulation assembly, a wave simulation assembly and a soil sampling port, the simulation wetland planting area is arranged on one side of the interior of the observation pool, and specified to-be-observed plants are planted on the simulation wetland planting area; the other side of the interior of the observation pool is filled with simulated seawater with the horizontal plane lower than the simulated wetland planting area, the tide simulation assembly is arranged on the other side of the observation pool and comprises a piston push plate, and the wave simulation assembly is connected with the piston push plate and comprises a wave push plate and a reciprocating swing assembly. The soil sampling opening is formed in the surface of one side of the observation pool, and a sampling device is arranged in the soil sampling opening. The invention belongs to the technical field of ecological environment, and particularly relates to a simulation observation device for coastal wetland soil micro-ecology research.

This invention relates to the field of wetland ecological environment monitoring and greenhouse gas emission reduction technology, specifically to a method for assessing the impact of microplastics on methane emissions from wetland soils based on soil carbon composition. This invention assesses the degree of change in methane emissions from wetland soils after the addition of microplastics by measuring changes in the content of organic carbon components in the soil. Results show that, without relying on the detection of functional genes such as methanogens and methanogens, changes in the content of only two key carbon components—dissolved organic carbon and mineral-bound organic carbon—can accurately and quickly assess the direction and intensity of the impact of microplastics on methane emissions from wetland soils. This demonstrates the feasibility, scientific validity, and practicality of the method, providing a simple, efficient, and easily scalable new approach for assessing methane emissions from greenhouse gases under microplastic pollution stress in ecosystems.

The invention discloses a microbial community monitoring method, system and equipment for wetland soil, and relates to the technical field of microbial monitoring. The method comprises the following steps: acquiring an original monitoring spectrum of a target monitoring point in target wetland soil; correcting the original absorbance in the original monitoring spectrum based on the first calibration curve to obtain a first corrected spectrum; the first calibration curve is used for representing a change curve of the pure moisture simulated absorbance corresponding to each wavelength point along with the moisture content, and the first correction spectrum is used for representing a spectrum after moisture interference is removed; on the basis of the first test fluorescence intensity of each wavelength point at different moments under the humus change condition, correcting the original fluorescence intensity in the first correction spectrum to obtain a second correction spectrum; the humus content is linearly changed under the humus change condition, and the second correction spectrum is used for representing the spectrum after humus interference is removed; and carrying out spectral analysis on the second correction spectrum, and determining the activity indexes of various ecological functions in the target wetland soil.

The invention belongs to the technical field of ecological restoration, and particularly relates to an ecological floating bed and method for restoring sulfate saline-alkali wetland soil. The ecological floating bed comprises a combined floating bed and a hydraulic circulation system, the combined floating bed comprises a floating bed main body and magnetized water treatment equipment, and the salt-reducing and alkali-reducing effects of sulfate saline-alkali wetland soil are realized; the hydraulic circulation system comprises a siphon water pipe and a filtering device, and flowing of a sulfate saline-alkali wetland water body is achieved. By constructing a magnetic effect-microorganism-aquatic plant organic system, the environmental adaptability of microorganisms, the growth amount of aquatic plants and the enrichment capacity of a soil matrix are improved, the sulfate salt and alkali level in the environment is greatly reduced, and in-situ remediation of sulfate salt and alkali wetland soil is achieved; the defect of secondary pollution caused by an additional modifier can be effectively made up, and meanwhile the method has the advantages of being low in cost and wide in application range.

The present application relates to the technical field of wetland ecological restoration, and particularly relates to a nitrogen reduction, carbon fixation and emission reduction method for coastal wetlands based on iron cycle. The present application mixes biochar raw materials with water, and then performs hydrothermal reaction to obtain biochar precursors; the biochar precursors are immersed in a tannic acid modification solution to perform modification to obtain modified biochar precursors; and the modified biochar precursors are pyrolyzed under the condition of ferrocene vapor and inert atmosphere to obtain modified biochar. The present application uses green algae and cordgrass to prepare biochar, and realizes nitrogen reduction, carbon fixation and emission reduction of coastal wetlands based on iron cycle. After adding the modified biochar, the total nitrogen and greenhouse gas emission of the soil in the coastal wetland are reduced compared with those of the control group, and the total carbon content is increased.

The invention provides a method for enhancing anaerobic methane oxidation capacity of manganese oxide in wetland soil. The divalent iron salt is applied to the wetland soil containing the manganese oxide, so that the anaerobic methane oxidation capacity of the manganese oxide is improved. The methane anaerobic oxidation efficiency of manganese oxide in wetland soil can be obviously improved, the operation is simple, and the cost is low.

The utility model belongs to the technical field of wetland soil remediation, and particularly relates to a wetland soil remediation protection device which comprises a shell with an open top, a wind-up roller is rotatably arranged in the shell, a protection net is wound on the wind-up roller, when one end of the protection net is pulled, the protection net covers the passing wetland soil, and when the other end of the protection net is pulled, the other end of the protection net is pulled. A protective net is arranged on one side of the shell from outside to inside in a penetrating mode, an opening is further formed in one side of the shell from outside to inside in a penetrating mode, one end of the protective net movably penetrates through the opening from inside to outside, a cutter for cutting the protective net is further arranged above the opening, and a cross beam is transversely arranged on the outer wall of the shell. The protective net is wound in the shell through the winding roller, and when the protective net is pulled outwards, the protective net can conveniently cover the passing wetland soil, so that the wetland soil is protected through the protective net, and the soil is prevented from being scattered along with wind.

The invention relates to the technical field of coastal wetland ecological restoration and improvement, in particular to a plant blanket, a preparation method and application of the plant blanket in coastal wetland ecological restoration. The plant blanket is of a three-layer composite structure comprising a lower high-density fiber layer, a middle mixed fiber layer and an upper sparse fiber layer. The middle mixed fiber layer is loaded with a composite modifier, and the composite modifier comprises biochar, a sepiolite-chitosan composite material, a water-retaining agent and coastal wetland soil, and is integrated with growth-promoting microbial agent microcapsules and salt-tolerant plant seeds. Through physical protection of the plant blanket, salt adsorption and soil improvement of biochar and sepiolite, fixation and slow-release energy supply of chitosan to microorganisms, and moisture regulation and control of the water-retaining agent, the purpose of improving the quality of the wetland in the coastal wetland area with dynamically changed tide and salt is achieved. And synergistic and efficient restoration of bank slope stabilization, soil improvement, microbial activity maintenance and vegetation restoration is realized. The method is convenient to construct and durable in repairing effect and has a good application prospect.

The invention relates to the technical field of wetland ecological restoration, in particular to a coastal wetland nitrogen reduction, carbon sequestration and emission reduction method based on iron circulation. The preparation method comprises the following steps: mixing a biochar raw material with water, and carrying out hydrothermal reaction to obtain a biochar precursor; immersing the biochar precursor into the tannic acid modification solution, and modifying to obtain a modified biochar precursor; under the condition of ferrocene steam and inert atmosphere, pyrolyzing the modified biomass precursor to obtain the modified biochar. According to the method, the biochar is prepared from enteromorpha and spartina alterniflora, nitrogen reduction, carbon sequestration and emission reduction of the coastal wetland are achieved on the basis of iron circulation, compared with control group soil, the total nitrogen and greenhouse gas emission of coastal wetland soil added with the modified biochar is reduced, and the total carbon content is increased.

The invention discloses a plant phenology automatic monitoring integrated device, and relates to the technical field of plant phenology monitoring, and the plant phenology automatic monitoring integrated device comprises a supporting rod, a connection seat rotatably connected with the bottom of the supporting rod, an electrical box phenology optical monitoring machine fixedly connected to the vertical rod, and a first assembly used for enlarging the contact surface area of the supporting rod and a placement base surface; through the design of the first assembly entirety and the folding fan ribs, the mounting environment adaptability is remarkably improved; different from the limitation that traditional monitoring equipment depends on the non-soft and stable ground, the first assembly can be automatically unfolded or folded according to the actual terrain through a dynamic area adjusting mechanism of the folding fan ribs, and the contact surface area of the vertical rod and the base plane is flexibly enlarged; the assembly can rapidly adapt to soft wetland soil, fluctuating mountain slope surfaces or unstable sandy landforms and achieve stable supporting, and the geographical limitation of monitoring sites is effectively broken through.

The utility model relates to the technical field of soil remediation, in particular to forestry wetland soil remediation equipment which comprises a trolley used for transporting the soil remediation equipment, a through hole is formed in the trolley, the forestry wetland soil remediation equipment further comprises a remediation cylinder used for drilling soil to be remediated, and four sets of top holes are formed in the inner wall of the top end of the remediation cylinder. Through the arrangement of parts such as a remediation cylinder, a top hole, a liquid drainage hole, a drill bit, a mounting disc, a first electric push rod, a connecting column, a sealing plug, a mounting hole, a mounting rod, a top plate, a second electric push rod, a telescopic hose, a liquid drainage pipe and a liquid injection pipe, the problem that according to an existing soil remediation mode, soil is generally remedied through improved liquid medicine; however, the problems that in existing remediation equipment, liquid medicine is directly injected into soil, so that the liquid medicine cannot be accurately and evenly added into the soil, the liquid medicine is prone to being accumulated on the surface of the soil, the improved liquid medicine is excessively concentrated on the surface of the soil, and the soil remediation effect is very poor are solved.

A method for estimating the organic carbon content of wetland soil with different restoration years, which relates to the technical field of carbon sink accounting. The method includes: setting a plurality of sampling points in a target research area, and collecting soil samples; preprocessing satellite image data and determining first input features, determining second input features according to geographic coordinates of the sampling points, and inputting the features into a regression prediction model to obtain a calculation result; generating soil organic matter content data distribution according to the calculation result; and dividing sample areas with different restoration years according to land use history or restoration measure records by using space-for-time substitution, and counting the soil organic matter content and total amount in each sample area according to the soil organic matter content data distribution to determine the organic carbon content of soil with different restoration years.

The utility model discloses a device for sampling a soil seed bank of an urban small and micro wetland, which comprises a base body positioned in a land area; the movable rod assembly is installed on the base body and comprises a first movable rod, a second movable rod and a third movable rod, one end of the first movable rod is connected with the base body, one end of the second movable rod is movably connected with the other end of the first movable rod, and one end of the third movable rod is movably connected with the other end of the second movable rod; the sampling head is mounted at the other end of the third movable rod, the sampling head is used for stretching into a water area for sampling, and the first movable rod, the second movable rod and the third movable rod are matched with one another, so that the position of the sampling head can be adjusted in the X-axis direction, the Y-axis direction and the Z-axis direction. The sampling device can be used for sampling a soil seed bank of a small and micro wetland in a city, and can also be used for sampling at multiple positions and multiple depths in a water area.

The application relates to the technical field of surveying systems, and discloses a wetland national land surveying support system based on a multi-angle rotating structure, which comprises a mounting seat, support mechanisms are uniformly rotationally connected to the edges of the lower end of the mounting seat through connecting seats, and a locking mechanism is connected to the lower end of the mounting seat, wherein the support mechanism comprises round rods which are fixedly connected to the lower end of the connecting seat in a symmetrical mode, a limiting seat is rotationally connected to the lower ends of the two round rods, a supporting leg is slidably connected to the limiting seat, and a ground anchor is fixedly connected to the lower end of the supporting leg. The wetland national land surveying support system based on the multi-angle rotating structure can effectively solve the problems in the prior art that the wetland soil is loose, has high water content and weak bearing capacity, the contact area of the supporting leg of a conventional surveying support is small, the local pressure is easy to exceed the limit of the soil and cause the support to be damaged, the simple pad plate added to part of the support is not effectively fixed to the supporting leg and is easy to slide, the instrument attitude is deviated, and the surveying precision is affected.

The invention discloses a lake wetland soil multi-layer automatic sampling device and method, the lake wetland soil multi-layer automatic sampling device comprises a bottom plate, a lifting mechanism is arranged above the bottom plate, the lake wetland soil multi-layer automatic sampling device further comprises a sampling mechanism, and the sampling mechanism is located below the lifting mechanism. The soil sampling device has the beneficial effects that soil of different layers is deeply drilled and sampled through the sampling assembly, so that the sampled soil cannot fall off again in the drilling and sampling process, the soil is better collected, and the soil of different layers is discharged one by one through the discharging assembly, so that the sampling efficiency is improved, and the working efficiency is improved. Soil at different layers is collected and detected one by one, so that the application range of the device is widened, the sampling efficiency is improved, and the accuracy of sampling data is improved.

The utility model provides a water level visible soil cultivation device which comprises a cultivation container with soil and a water level observation pipe arranged on one side of the cultivation container and communicated with the cultivation container, a communication hole is formed in the bottom side of the cultivation container, and a communication leakage-proof structure is arranged on the communication hole and used for preventing the soil from leaking into the water level observation pipe. The water level observation pipe is communicated with the cultivation container through the communicating hole, so that the liquid level in the cultivation container is the same as the water level of the water level observation pipe in height, water level changes can be visually observed through the structure, the device can be used for cultivation tests of paddy fields, wetland soil and the like, convenience of the high-water-level cultivation tests is effectively improved, and soil seepage is prevented. And the problem of large water level change is prevented.

The invention discloses a wetland soil sampling device and a sampling method thereof. The sampling device comprises a drill bit; the sampling body is connected with the drill bit, and a sampling cavity communicated with the outside is defined in the sampling body; the operating rod is connected with the sampling body and is configured to be used for applying external force for inserting into or taking out the wetland soil to the drill bit; and the scraping mechanism is arranged in the sampling body in a matched manner and is configured to be capable of switching movement among a first position accommodated in the sampling cavity, a second position extending out of the sampling cavity and a third position for scraping external soil into the sampling cavity. The sampling device can be used for sampling the soil with the specified depth in the wetland soil, sampling of unnecessary soil layers on the earth surface is avoided, the sampling accuracy is improved, and the sampling device is simple to operate, convenient to sample and high in reliability.