A Method for Evaluating Rainfall Adjustment and Storage by Furrows

Abstract

An embodiment of the present invention provides a method for evaluating the amount of rainfall regulation and storage by ridges and ditches, including: obtaining the net rainfall of each time period of the ditch in the rainstorm according to a predetermined time interval, and obtaining the net rainfall of each accumulation period; according to the The characteristic parameters of the size of the furrow and the net rainfall in each accumulation period are evaluated by using the rainfall regulation and storage capacity evaluation model to evaluate the regulation and storage capacity of the ridge for each session, and the regulation and storage capacity of the furrow for each session is obtained in each time period. The method for evaluating the amount of rain regulation and storage by furrows for each field provided by the embodiment of the present invention can realize the dynamic evaluation of the amount of rainfall adjustment and storage by furrows.

Description

technical field [0001] The embodiments of the present invention relate to the field of water resource utilization, and in particular, to a method for evaluating the amount of ridges and trenches for regulating and storing rainfall in a field. Background technique [0002] By setting up furrows (also known as furrow farming) on ​​the cultivated land, the unit micro-topography of the cultivated land can be changed, the surface roughness can be affected, the effective regulation and storage of rainfall by the cultivated land can be increased, and the hydrological cycle process of the sloping cultivated land can be affected in order to better The soil meets the water demand for the growth of crops on sloping farmland. Therefore, furrow tillage has become a commonly used management method for water storage and moisture conservation in farmland, especially on sloping farmland with a certain slope. [0003] In order to understand the impact of the setting of ridges and furrows on ...

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Problems solved by technology

[0004] However, at this stage, the method for evaluating the amount of rainfall regulation and storage in furrows can only obtain the maximum value of regulation and storage in furrows, but it cannot determine the dynamic regulation and storage amount based on different moments of rainfall, and it is difficult to use it to understand the setting of furrows The impact on the rainfall runoff process in the area where the cultivated land is located

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