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Device and method for monitoring soil erosion

A technology of weight and water collector, which is applied in the field of devices for monitoring water and soil loss, can solve the problems of large sampling error, complicated process, and measurement lag, and achieve the effect of simple structure, good regional adaptability, and high degree of automation

Active Publication Date: 2016-01-13
GUILIN UNIV OF ELECTRONIC TECH
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Problems solved by technology

However, for the monitoring of water and soil loss in a certain fixed plot, at present, the water from one rainfall is collected into a reservoir, and after the rain stops, it is carried out by manual stirring, sampling, distillation, and weighing methods. Measurement, this method has problems such as measurement lag, manual operation, large sampling error, and complicated process

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  • Device and method for monitoring soil erosion

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples.

[0024] Example.

[0025] Such as figure 1 As shown, the present invention provides a device for monitoring water and soil loss, mainly comprising: frame 1, overflow port 2, diversion groove 3, auxiliary water collector 4 load cells 5, 6, 7, 8, solenoid valve 9, 10,11,12,13,14,15, water collector 16,17,18, total water inlet pipe 19, branch road water inlet pipe 20,21,22 water collector fixing frame 23,24,25,26.

[0026] The working process of the device is as follows: before work, first use pure water to measure the water under normal conditions, the solenoid valves of the water outlets of each water collector are in the closed state, the solenoid valve 10 is in the open state, and the water flow enters the measuring water collector 16 from the branch water pipe 21 After measuring the fullness of the water collector 16, the overflowing water flo...

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Abstract

The invention relates to a device and method for monitoring soil erosion. The device mainly comprises a plurality of water collectors, a weighing sensor and a solenoid valve. The water collectors are divided into test water collectors and auxiliary water collectors, and the number of the water collectors can be set appropriately according to the size of a measured land parcel. A mode of matched use of the test water collectors and the auxiliary water collectors is adopted. When water of one test water collector overflows, the overflowing water flows into one auxiliary water collector through an overflow port; after the water of the auxiliary water collector reaches a certain weight, another test water collector is switched to collect water, the weights of the test water collector and the auxiliary water collector and the volume of the test water collector are measured, and the content of sand in water is calculated according to the relations of sand density and water density. After the measurement is finished, the water in the test water collector and the auxiliary water collector is discharged, measurement is performed after the water of the test water collector overflows next time, and the circulation is performed like this. The device has the advantages of being high in precision and efficiency, simple in structure and capable of performing full flow continuous measurement; and the device has wide application prospects in the field of soil erosion monitoring.

Description

technical field [0001] The invention belongs to the testing and measuring technology of water and soil loss, in particular to a device and method for monitoring 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 c...

Claims

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Application Information

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IPC IPC(8): G01N5/00
Inventor 张应红马亮李彩林赵健肖盛文刘行罗远略卢北华唐亮唐焱徐晋勇熊文清罗则栋
Owner GUILIN UNIV OF ELECTRONIC TECH
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