Quantitative soil splash erosion power monitoring system and method
A monitoring system and splash erosion technology, which is applied in soil material testing, material inspection products, etc., can solve the theoretical research and calculation lag of soil splash erosion, the inability to accurately calculate the amount of water and soil loss, and affect the accuracy of soil splash erosion prediction models, etc. problem, to achieve the effect of fast speed, convenient operation and high precision
Active Publication Date: 2014-11-19
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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Problems solved by technology
The traditional soil splash erosion dynamic monitoring method can only estimate the soil erosion dynamics, which is prone to large errors and affects the accuracy of the soil splash erosion prediction model
The theoretical research and calculation of soil splash erosion are relatively lagging behind, so that the calculation of soil erosion cannot be done accurately, and it is impossible to provide technical support for the comprehensive prevention and control of soil erosion
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0019] A soil splash erosion dynamic quantitative monitoring system in this embodiment includes a soil splash erosion monitoring system 1 and a rainfall monitoring system 2 arranged outdoors.
[0020] The soil splash erosion monitoring system 1 includes a splash erosion disk, which is arranged on the splash erosion disk fixed platform, and includes three splash erosion disks, which are fine sand splash erosion disk 3, unmilled soil splash erosion disk 4 and grinding Soil splash erosion disk 5 is used to measure the splash erosion amount of fine sand, unground soil and milled soil respectively. Setting three splash disks can sample the splash erosion of different soils under the same rainfall environment, and provide calculation parameters for the prediction of the splash erosion of different soil environments in the selected rainfall area. In practice,...
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The invention relates to a quantitative soil splash erosion power monitoring system and method. A distance between a splash erosion disc of a soil splash erosion monitoring system and a video raindrop disdrometer of a rainfall monitoring system is maintained within 3m to 5m, the consistency of a rainfall area in which the rainfall monitoring system is located is guaranteed, and all parameters of the rainfall area suffering the rainfall are maintained consistent, so that the measurement and the calculation of raindrop kinetic energy, the sampling of splash erosion amount and the establishment of arelational expression between the raindrop kinetic energy and the splash erosion amount can be relatively precisely carried out, and the soil splash erosion amount in the selected rainfall area can be relatively precisely predicted. The quantitative soil splash erosion power monitoring system is convenient to operate and high in measure and control precision, utilizes a raindrop spectrum to generate the raindrop mass data and speed data, has the advantages of high precision, high speed, high efficiency, capability of clearly representing the raindrop mass and the raindrop speed, and the like in the event based rainfall process, and is wide in application range.
Description
technical field [0001] The invention relates to the technical field of soil erosion foundation, in particular to a soil splash erosion power quantitative monitoring system and method. Background technique [0002] Soil erosion causes deterioration of the ecological environment, which will restrict economic and social development. Hydraulic erosion is the most widely distributed form of soil erosion in the world, and splash erosion is one of the important types of hydraulic erosion. [0003] Quantification of soil splash erosion is the basic and extremely important content of soil and water conservation. Traditional soil splash erosion dynamic monitoring methods include rain gauges and automatic rain gauges. The monitored rainfall indicators include rainfall amount and rainfall duration, and rainfall intensity can be obtained. The traditional soil splash erosion dynamic monitoring method can only estimate the soil erosion dynamics, which is prone to large errors and affects ...
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IPC IPC(8): G01N33/24
Inventor 张平仓刘洪鹄师哲齐向华程冬兵钱峰郭念森
Owner CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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