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Desert greening water and soil conservation method and structure

A desert and land technology, applied in underwater structures, land preparation methods, infrastructure engineering, etc., can solve the problems of remote technical theory, and achieve the effects of good social benefits, good comprehensive benefits, and fast greening speed.

Inactive Publication Date: 2008-03-12
哈秋舲
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Problems solved by technology

[0006] There are even some people who suggest carrying out south-to-north adjustment of clouds and rain from the east to the west. This technology involves a big problem of atmospheric circulation, and the technical theory is still far away.

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  • Desert greening water and soil conservation method and structure

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with FIG. 1 .

[0027] Based on the low rainfall in desert areas, good conditions for deep penetration of desert soil, low groundwater level (tens of meters below the surface), and large surface evaporation, the method for desert greening water and soil conservation of the present invention is to set a basin-shaped anti-seepage system below the desert land surface . Wherein, the above basin-shaped anti-seepage system is composed of a horizontal anti-seepage layer 1 and a substantially vertical anti-seepage enclosure 2, and the anti-seepage enclosure of the horizontal anti-seepage layer is integrally made in a basin shape.

[0028] The above-mentioned anti-seepage wall and anti-seepage layer can adopt various existing waterproof and anti-seepage materials or waterproof and anti-seepage structures according to requirements, such as ordinary Portland cement or laying anti-seepage membranes and waterproof ...

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Abstract

The present invention discloses a method and structure for desert afforestation and water-and-oil conservation; the present invention aims at solving the problem in prior art that the desert control speed is slow and the effect is bad. Within the limited range of root system depth of trees, a large-scale level impermeable layer is equipped; within a certain depth under the land surface, a vertical impermeable wall is equipped to form a basin impermeable system with the large-scale impermeable layer. rainfall is collected within the limited range of the root system depth of trees and the water level of the groundwater is controlled within a certain depth under the land surface; in this way, a large amount of water can be prevented from evaporating and the water resource can be fully utilized; water-and-soil conservation can be effectively implemented within the limited range of the root system depth of trees to provide the basic conditions for tree planting and improve the soil gradually; in addition, the method can adopt mechanical construction; the working efficiency is high and the afforestation process is fast; the project quality is high and the contruction cost is low.

Description

technical field [0001] The invention relates to a method and structure for desert greening water and soil conservation Background technique [0002] There is a large area of ​​desertified land in northern my country, which seriously affects the ecological environment in northern my country, and there is a development trend. With the development of society, the impact of the global warming effect and the problem of desertification will become more serious. For this reason, the state has made a lot of investment for a long time, and specialized institutions have conducted extensive and in-depth research, and have made great achievements in desertification control. However, the problem of desertification control, generally speaking, has not been fundamentally resolved. [0003] The existing desert control technology is mainly to plant sand-fixing drought-tolerant plants, which can be referred to as plant sand-fixing technology for short. This technology is easily accepted by...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/00E02D29/00
CPCY02A40/22Y02P60/40
Inventor 哈秋舲
Owner 哈秋舲
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