A Field Observation Method of Wind and Sand Flow
A wind and sand flow and field technology, applied in the field of field wind and sand flow observation, can solve the problem that the wind erosion collection equipment cannot take care of multi-directional independent collection and multi-layer independent collection of wind erosion materials, etc.
Active Publication Date: 2021-04-09
新疆铁道勘察设计院有限公司
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[0005] The purpose of the present invention is to provide a method for observing wind and sand flow in the field, which can solve the problem that traditional wind erosion collection equipment cannot take into account multi-directional independent collection and multi-layer independent collection of wind erosion materials
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[0019] An observation method of wind and sand flow in the field, the observation method needs to use a gradient multi-directional sand collection instrument, such as figure 1 As shown, it includes a low barrel 7, a main support rod 4, a 16-direction collector 6, two 8-direction collectors 5, the main support rod 4 is fixed on the central axis of the low barrel 7, a 16-direction collector 6 and two The 8-direction collector 5 is sequentially fixed on the main support rod 4 at intervals from bottom to top, and the hook 1 at the top of the main support rod 4 is fixedly connected to the ground drill 3 through the pull wire 2;
[0020] Among them, such as Figure 4 As shown, the low bucket 7 includes a 16-direction collection bucket 71 and an intermediate steel pipe 73, the intermediate steel pipe 73 is sleeved on the main support rod 4, and is tightened by fixing screws arranged on the intermediate steel pipe. Thick solid barrel 72, the 16-direction collection barrel 71 is that 1...
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The invention relates to a method for observing wind and sand flow in the field. The gradient multi-directional sand collection instrument involved in the method is composed of a low barrel, a main support rod, a 16-direction collector, two 8-direction collectors, a collection bag and a fixing device. The two 8-direction collectors are linked with the main support rod by fixing bolts. In this way, the height of the two 8-direction collectors can be adjusted freely according to the needs, so that wind erosion can be detected at various heights, and the flexibility of the sand collector is improved. sex. Using the sand collector, wind erosion materials in different wind directions and different height ranges can be collected respectively. The sand collecting instrument of the present invention is simple in structure, easy to install and maintain, can observe wind erosion for a long period of time, greatly reduces the labor intensity of wind erosion observation in the field, and can observe the amount of wind erosion at different heights in the wind erosion area more accurately and efficiently.
Description
technical field [0001] The invention relates to the technical field of environmental monitoring, in particular to a field wind and sand flow observation method. Background technique [0002] my country is one of the countries with the most severe desertification in the world, and wind erosion is a main form of desertification. Therefore, only by scientific monitoring and in-depth research on wind erosion can we better discuss and propose countermeasures for desertification prevention and control. Wind erosion conditions require corresponding collection instruments. [0003] Currently, there are many collection devices used to study wind erosion. Wind erosion collection devices of various specifications have been developed at home and abroad, such as flat mouth sand collectors, multi-channel square mouth sand collectors, tipping bucket sand collectors, and BSNE collectors. However, these wind erosion collection devices have certain limitations. Some can only collect sand flu...
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IPC IPC(8): G01M9/00
CPCG01M9/00
Inventor 丁录胜祁延录李方国赵加海
Owner 新疆铁道勘察设计院有限公司