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Comprehensive management of small watersheds—a method of rebuilding fertile land

A technology for comprehensive management and small watersheds, which can be used in dikes, artificial islands, underwater structures, etc., and can solve problems such as difficulty in development and utilization.

Active Publication Date: 2018-04-13
大连久鼎生态流域治理开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is very difficult to develop and utilize small watershed areas

Method used

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  • Comprehensive management of small watersheds—a method of rebuilding fertile land
  • Comprehensive management of small watersheds—a method of rebuilding fertile land
  • Comprehensive management of small watersheds—a method of rebuilding fertile land

Examples

Experimental program
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Embodiment Construction

[0021] The present invention will be further described below in conjunction with accompanying drawing.

[0022] Such as figure 1 , figure 2 As shown, in the valley area of ​​the small watershed area, several roads are built from top to bottom by the permeable retaining dam 1 built by block stone net cages. The cage material is made of high-strength steel wire with anti-corrosion treatment, or other materials with certain strength and toughness. Each permeable retaining dam 1 is formed by connecting two left and right arc-shaped dam bodies. The retaining dam 1 is in a herringbone shape as a whole, with the top facing upstream, and the tail ends of the left and right dam bodies are attached to the mountain body. The number and location of the retaining dam 1 need to be determined according to the local hydrogeological and engineering geological conditions.

[0023] Such as image 3 As shown, when running into mountain torrents, rainwater entrains solid matter such as block ...

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PUM

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Abstract

The invention discloses a small watershed comprehensive management-fertile farmland reengineering novel technology. Flood, landslide and debris flow are subjected to flow distribution, energy dissipation and interception through a plurality of arc-shaped blocking dams composed of permeable block stone net boxes, the harm of the flood, the landslide and the debris flow is reduced or eliminated, and solid materials (gravel and silt) are subjected to retaining and silt immobilizing in the arc-shaped blocking dams to form 'intermontane small plains'; atmospheric precipitation, surface runoff and underground runoff are maximally retained in an underground reservoir through the underground reservoir; and fresh water resources in the underground reservoir are rationally utilized, so that fertile farmland with an automatic irrigation function is formed.

Description

technical field [0001] The invention relates to the technical fields of water conservancy construction, agricultural production and geological disaster control in small watersheds. Background technique [0002] Small watersheds usually refer to the following secondary and tertiary tributaries, bounded by the watershed and the outlet section of the downstream channel, with a catchment area of ​​100 km 2 The following relatively independent and closed natural catchment areas. In my country, the area of ​​small watersheds accounts for about 15%, that is, 1.5 million km 2 . These areas are areas where water and soil erosion and many natural disasters and geological disasters, such as mountain torrents, collapses, landslides, and mud-rock flows, occur frequently. The specific landform conditions of small watersheds, that is, the top is high and the bottom is low, will cause soil erosion and flash floods during rainfall, which may lead to landslides, mudslides and other disaste...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/10E02D29/12E02B13/00
CPCE02B3/10E02B13/00E02D29/12Y02A10/11Y02A20/00
Inventor 卢明全柳玉印林伟刘臣
Owner 大连久鼎生态流域治理开发有限公司
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