Efficient and accurate detachable runoff plot

Abstract

The invention relates to an efficient and accurate detachable runoff plot which comprises a sand separating plate, a primary screen, a tertiary screen, a funnel type water inlet hole, a sand settlingtank, a communicating vessel, a water collecting bottle, a secondary screen, a U-shaped water collecting pool, an air inlet pipe, a water collecting device, a number reading device, a valve, a Markovbottle, non-woven fabric and the like. Surface runoff is collected in the U-shaped water inlet pool under influence of the natural gradient, enters the water collecting device after particles with different particle sizes are intercepted through the different screens, enters the Markov bottle through the funnel type water inlet hole, and is concentrated in the Markov bottle when the water quantityis small; when the water quantity is too large, water flow can enter the water collecting bottle, and it is only required to read water level in the Markov bottle according to the principle of the communicating vessel. The runoff plot has the beneficial effects that manual monitoring is not needed, the testing device can meet the requirements for automatic water collection and sand collection, different particle sizes can be controlled through the different screens, the water level can be accurately and efficiently obtained in the water collection device, and then the water yield is calculated.

Description

technical field [0001] The invention relates to the field of water and soil loss monitoring, in particular to an efficient and accurate detachable runoff area. Background technique [0002] my country is a country with a vast territory. In some areas, due to the influence of geographical location and climatic factors, soil erosion occurs all the year round, which causes great troubles to the production and survival of residents. Therefore, the control of water and soil loss is one of the important tasks in the current stage of regional development, and the work of water and soil conservation is of great significance for realizing green water and green mountains. Soil erosion monitoring is an important basis for soil and water conservation work. The current runoff plot ignores the impact of water surface evaporation; occupies a large area, resulting in waste of materials; ignores the inflow of other runoff (such as underground runoff), and has the problems of difficulty in c...

AI Technical Summary

Problems solved by technology

The current runoff plot ignores the impact of water surface evaporation; occupies a large area, resulting in waste of materials; ignores the inflow of other runoff (such as underground runoff), and has the problems of difficulty in collecting runoff sediment samples and low measurement accuracy

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