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Riparian buffer zone water and soil conservation control method based on optimal vegetation pattern

A buffer zone and vegetation technology, applied in design optimization/simulation, special data processing applications, instruments, etc., can solve problems such as lack of methods and technologies

Inactive Publication Date: 2021-02-09
HENAN UNIVERSITY
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Problems solved by technology

Therefore, the soil and water conservation function of the riparian buffer zone can be maximized by adjusting the vegetation pattern, but there is still a lack of corresponding methods and technologies, which is also the current difficulty in the field of soil and water conservation.

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  • Riparian buffer zone water and soil conservation control method based on optimal vegetation pattern
  • Riparian buffer zone water and soil conservation control method based on optimal vegetation pattern
  • Riparian buffer zone water and soil conservation control method based on optimal vegetation pattern

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Embodiment Construction

[0058]The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the present invention. Detailed implementation modes and specific operation procedures are given, but the protection scope of the present invention is not limited to the following Mentioned examples.

[0059]Such asfigure 1 As shown, the riparian buffer zone water and soil conservation regulation method based on the optimal vegetation pattern of the present invention includes the following steps:

[0060]S1, data acquisition and processing:

[0061]The data used in the present invention includes: vegetation coverage NDVI data with a resolution of 30m, terrain data DEM with the same resolution, and river network data extracted from the DEM to indicate the direction of water flow; wherein the NDVI data formula as follows:

[0062]VC=(NDVI-NDVIsoil ) / (NDVIveg- NDVIsoil );

[0063]NDV=(IR-R) / (IR+R);

[006...

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Abstract

The invention discloses a riparian buffer zone water and soil conservation control method based on an optimal vegetation pattern. The method comprises the steps that firstly, setting vegetation distribution patterns of different scenes; comparing and analyzing the change of the permeability index LI under the vegetation distribution pattern of each scene in combination with the terrain condition of the riparian buffer zone site, so as to screen out an optimal vegetation pattern combination with the best blocking effect on runoff and sediment transport; and finally, based on the optimal vegetation pattern, performing simulation control on the vegetation distribution of the riparian buffer zone. According to the method, an improved permeability index LI is applied, on the basis of considering the possibility of water and sand transmission between landscape units, different vegetation distribution conditions are set through scene simulation by means of land utilization / coating and topographic space data, and an optimal vegetation pattern is screened out; and then the water and soil conservation function of the riparian buffer zone is controlled based on the optimal vegetation pattern.

Description

Technical field[0001]The invention relates to the field of water and soil conservation in a riparian buffer zone, in particular to a riparian buffer zone water and soil conservation regulation method based on an optimal vegetation pattern.Background technique[0002]At present, the most intuitive method for research on the benefits of vegetation water and soil conservation in the riparian buffer zone is experimental observation. This method is mostly carried out on a small scale (such as slope): by setting specific ground conditions (such as vegetation coverage and slope), With the help of simulated rainfall or runoff erosion test to obtain actual measured data, and then analyze the benefits of soil and water conservation of slope vegetation. This method understands the effect mechanism of vegetation on water and soil conservation through data collection and analysis, and evaluates the water and soil conservation function of vegetation in riparian buffer zone. This method of experimen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06Q50/02
CPCG06F30/20G06Q50/02
Inventor 赵清贺徐珊珊丁圣彦秦明周
Owner HENAN UNIVERSITY
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