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Dual-varying-slope erosion groove and interflow determining instrument and determining method thereof

A measuring instrument and technology of soil flow, which is applied in double-variable slope erosion tanks and soil flow measuring instruments and its measurement fields, achieving the effects of convenient operation, wide application range, and high measurement and control precision

Inactive Publication Date: 2017-03-22
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a runoff plot that can be set with different concave and convex shapes on the slope according to the experimental requirements, which solves the observation problem of surface runoff and soil flow, thereby providing a variable slope erosion measurement instrument

Method used

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  • Dual-varying-slope erosion groove and interflow determining instrument and determining method thereof
  • Dual-varying-slope erosion groove and interflow determining instrument and determining method thereof
  • Dual-varying-slope erosion groove and interflow determining instrument and determining method thereof

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but the embodiments should not be construed as limiting the present invention, but only as examples, and the advantages of the present invention will become clearer and easier to understand.

[0027] As shown in the accompanying drawings, the double-variable slope erosion tank and the soil flow measuring instrument include setting a model fixed support 11 welded by the lower soil erosion tank 8, the upper soil erosion tank 14 and the steel frame, and the lower soil erosion tank 8 One end is hinged with the model fixing bracket 11, the other end is hinged with the lower hydraulic lifter 12, one end of the upper soil erosion tank 14 is hinged with the lower hydraulic lifter 12, and the other end is hinged with the upper hydraulic lifter 13; the upper soil erosion tank 14 is hinged with the lower The soil erosion tank 8 is connected by a plastic tra...

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Abstract

The invention discloses a dual-varying-slope erosion groove and interflow determining instrument and a determining method thereof. A model fixing support formed by welding a lower soil erosion groove, an upper soil erosion groove and a steel frame is arranged, and the upper and lower bottom ends of the model fixing support are each connected with a lifting device. The upper soil erosion groove and the lower soil erosion groove are connected through a plastic transition belt. The soil erosion groove is divided into a left part and a right part through a soil erosion groove partition plate, and the lower soil erosion groove is connected with an interflow collector and a surface flow collector. The invention further relates to the determining method adopting the dual-varying-slope erosion groove and interflow determining instrument in the soil water erosion process; by adopting the instrument, slope surface micro-topographies of different concave-convex forms can be constructed; by determining interflow, surface flow, sediment, slope surface erosion morphology, the number and sizes of rills and other important parameters, quantitative analysis can be performed on the rules of occurrence and development of soil water erosion in the whole precipitation process, and the application range is wide.

Description

technical field [0001] The invention relates to soil erosion monitoring, more specifically to a measuring instrument and a measuring method for a double variable slope erosion tank and soil flow. Background technique [0002] Slope soil erosion process and hydrological characteristics are one of the essential contents in the study of soil and water conservation. However, the relative importance of different runoff components in the slope water erosion process has not attracted enough attention. The traditional slope soil The measurement of erosion process mostly focuses on surface erosion and rill erosion, and mainly focuses on the hydrological process of surface runoff, ignoring the influence of soil inflow on the erosion process. Soil midflow can affect soil shear strength by affecting soil pore water pressure. The hydraulic gradient potential difference in the process of seepage measurement can change the resistance of soil particles to break away from the soil matrix, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 张平仓程冬兵钱峰刘晓路王一峰董林垚赵元凌张长伟
Owner CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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