Water and soil loss monitoring method

A soil loss and monitoring point technology, applied in the field of monitoring, can solve the problems of sampling process error, low monitoring efficiency, increased labor input, etc., to achieve the effect of reducing error loss, reducing work intensity, and accurate structure

Inactive Publication Date: 2020-09-18
福建芗江工程项目管理有限公司
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  • Claims
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Problems solved by technology

[0003] Therefore, there are currently related methods and instruments for the monitoring of slope erosion gullies that can quantitatively monitor soil erosion gullies. In the reservoir, after the rain stops, it is measured by manual stirring, sampl...

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  • Water and soil loss monitoring method

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Embodiment Construction

[0045] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0046] A method for monitoring water and soil loss, such as figure 1 shown, including the following steps:

[0047] S1. Regularly adopt the method of comprehensive investigation, through on-site survey, use GPS λ-fixing instrument combined with topographic maps, digital cameras, range finders, altimeters, benchmarks and rulers and other tools to arrange multiple sections and select multiple For soil loss monitoring points, set at least three cross-sectional sampling points downstream of each soil loss monitoring point before rain, and set water collection tubes 1 at the sampling points;

[0048] S2. A flow monitor 2 is set at the water outlet of the water collecting tube 1 provided in step S1, and a remote controller 3 is set on the water collecting tube 1 at the same time, and is connected with the control center;

[0049] S3. After each rain, weigh the se...

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Abstract

The invention discloses a water and soil loss monitoring method, which belongs to the field of water and soil loss monitoring. According to the technical scheme, the method is characterized by comprising the following steps of S1, regularly adopting a comprehensive investigation mode, arranging a plurality of sections by adopting a GPS lambda determining instrument in combination with tools such as a topographic map, a digital camera, a range finder, an altimeter, a marker post, a ruler and the like through field survey, selecting a plurality of soil loss monitoring points, arranging at leastthree section sampling points at the downstream of each soil loss monitoring point before raining, and arranging water collecting cylinders at the sampling points, and S2, arranging a flow monitoringmeter at the water outlet of the water collecting cylinder arranged in the step S1, and meanwhile, arranging a remote controller on the water collecting cylinder and enabling the remote controller with a control center. Thus, the method has the effects that the labor investment is reduced, and meanwhile, errors caused in the sampling process are reduced.

Description

technical field [0001] The present invention relates to a monitoring method, more specifically it relates to a monitoring method of water and soil loss. Background technique [0002] The use of land by humans, especially the unreasonable development and management of water and soil resources, has damaged the soil cover, and the exposed soil has been subjected to water erosion. Long-term water erosion will eventually expose the rocks, resulting in serious water and soil damage. drain. According to the two general surveys conducted by the Ministry of Water Resources on the area of ​​soil erosion in the country after the founding of the People's Republic of China. For the first time in 1983, the Ministry of Water Resources used remote sensing technology to carry out a census of soil erosion across the country. As of 1989, the total area of ​​various types of soil erosion in the country was 4.92 million square kilometers. According to the second census in 1992, the area invol...

Claims

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Application Information

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IPC IPC(8): G01N33/24G01N5/00
CPCG01N5/00G01N33/246
Inventor 叶文正徐国泉
Owner 福建芗江工程项目管理有限公司
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