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Measurement system for interflow of thin-layer sloping land

A technology for measuring system and soil flow, which is applied in the hydrological process of artificial slopes, measurement system for soil flow in thin-layer slopes, systematic measurement of water and nutrient migration, and natural fields. It can solve the problems of inability to measure soil flow and achieve a clear confluence area. Effect

Inactive Publication Date: 2007-08-15
INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
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Problems solved by technology

[0005] The purpose of the present invention is to provide a thin-layer slope soil flow measurement system for direct monitoring of slope soil flow in view of the incompleteness and technical deficiencies of slope runoff measurement, especially the defect that existing runoff plots cannot measure soil flow Runoff dynamics and water flux; the system is reasonably designed and simple in structure, and can be used for comprehensive quantitative determination of hydrological elements, water balance and nutrient leakage, etc., and provides data basis for water quantity estimation, water resource development and soil and water conservation engineering design of water conservancy projects

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  • Measurement system for interflow of thin-layer sloping land

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[0016] As shown in Figure 1, the measuring system of the present invention is made up of independent and complete sloping runoff sub-district 1 of the water system, the measurement system 2 of the inflow confluence in the soil and the measurement system 3 of the surface runoff confluence; Constructed of brick walls, which cut off the upper and side water flow, establish a soil inflow collection system 2 at the interface between the soil and rock in the lower part of the runoff plot 1, collect the soil inflow in the entire runoff plot, and then collect and measure it through the surface runoff confluence measurement system 3 Runoff. The soil midflow of thin-layer slope soil migrates and confluences through the soil-bedrock interface, and the surface runoff migrates and confluences along the soil surface along the slope. Therefore, the invention can not only clearly distinguish the surface runoff from the soil flow, but also measure the two at the same time. Therefore, it can f...

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Abstract

This invention relates to film layer earth flow measurement system, which is composed of water system independently slope earth area, earth flow and earth surface collection measurement system, wherein, the slope radium area forms water system with complete slope radium area; the radium flow down earth and rock or mother mass interface to establish earth flow measurement system; collection test whole radium area earth flow through flow test system to test earth flow to reflect slope flow match process and dynamic status.

Description

technical field [0001] The invention relates to a thin-layer slope soil flow measurement system, which belongs to the technical field of hydrology and soil and water conservation, and is used for systematic measurement of hydrological processes, water and nutrient migration in natural and artificial slopes. Background technique [0002] Thin-layer soil slopes are widely distributed in the upper reaches of the Yangtze River in my country, such as purple soil and yellow soil, both of which are important cultivated land resources. Among them, the purple soil is concentrated in Sichuan Province and Chongqing City (Three Gorges Reservoir Area), and the Sichuan Basin alone covers an area of ​​160,000 km 2 , the yellow soil covers an area of ​​300,000 km in the southwest mountains 2 , purple soil and yellow soil slopes with shallow soil layers (30-90cm), underlying mudstone, shale, and slate with weak water permeability. The distribution area of ​​purple soil and yellow soil has ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/00
Inventor 朱波罗贵生唐家良王玉宽徐泰平汪涛
Owner INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
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