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A Soil Leakage Control Method of Rock-soil Contact Surface in Karst Area

A karst and contact surface technology, which is applied in the field of soil leakage resistance control on exposed rock and soil contact surfaces in karst areas, can solve the problems of poor technical ecological function, large construction disturbance, and land occupation, so as to improve the microclimate environment, improve soil, reduce The effect of disturbance

Active Publication Date: 2022-04-29
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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AI Technical Summary

Problems solved by technology

Engineering measures include building small intercepting ditches with small pieces of stone slurry at the joint between the exposed bedrock and the soil to intercept the runoff on the rock face, block the water flow channel at the rock-soil contact surface, and prevent and control soil leakage. , high cost, land occupation, and poor technical and ecological functions

Method used

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  • A Soil Leakage Control Method of Rock-soil Contact Surface in Karst Area
  • A Soil Leakage Control Method of Rock-soil Contact Surface in Karst Area
  • A Soil Leakage Control Method of Rock-soil Contact Surface in Karst Area

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Embodiment 1

[0037] This embodiment takes the implementation of soil leakage resistance control at the rock-soil contact surface of a karst slope in Xibeile Town, Mengzi City, Yunnan Province as an example to describe in detail.

[0038] The specific method of this embodiment includes: determining the distribution characteristics of soil moisture around the bare rock, determining and layout of plant species, and adding soil water retaining agent.

[0039] (1) Distribution characteristics of soil moisture around bare rock

[0040] The distribution characteristics of soil moisture around the bare rock is the key basis for the implementation of plant measures layout in the present invention. With the bare rock as the center, soil moisture monitoring points are respectively arranged in the four directions of the east, west, south and north of the bare rock to obtain the soil moisture around the bare rock. Changes in soil moisture during a crop growing season. In each direction, from the bottom...

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Abstract

The invention relates to a method for controlling soil leakage at a rock-soil contact surface in a karst area. The soil leakage resistance control method at the rock-soil contact surface in karst areas includes planting plants in the soil at the rock-soil contact surface in karst areas. Downhill, left slope and right slope 4 plant measures implementation and layout areas; in the bare rock area close to the bare rock, plant herbal plants around the bare rock; on the uphill slope of the bare rock next to the herb plants Plant creeping vines on the outside; plant fast-growing hedgerows on the outside of the herbaceous plants on the downslope, left slope and right slope of the bare rock, and on the outside of the upslope of the bare rock . The method of the invention is suitable for the soil leakage resistance control of the rock-soil contact surface around the bare rock in the karst area, and can promote rocky desertification control and water and soil conservation in the rocky karst area in Southwest China.

Description

technical field [0001] The invention relates to water and soil conservation technology, in particular to a method for controlling soil leakage at the contact surface between exposed rocks and soil in karst areas, which is suitable for preventing and controlling soil and water loss at the contact surface of rocks and soil in karst areas and restoring vegetation in karst rocky desertification areas. Background technique [0002] Rocky desertification in karst areas is very serious, and its water and soil loss is particular, complex and concealed. Karst areas have a double-layer hydrogeological structure on the surface and underground. In addition to surface loss on slopes, water and soil loss also passes through rock-soil contact surfaces or sinkholes. Loss to the underground space, soil leakage is the phenomenon that the soil structure is broken and loosened under the action of external forces such as hydraulic force and gravity, and migrates with the water flow into undergrou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G20/00A01G22/00A01G22/60A01G17/00
CPCA01G20/00A01G17/005A01G22/60A01G22/00
Inventor 单志杰殷哲秦伟于洋郭乾坤李柏鲁文王丹丹许海超潘庆宾刘卉芳董贺李乐平
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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