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Evaporative part separation method, part separation device, equipment and medium

A separation method and evapotranspiration technology, applied in the field of earth observation, can solve problems such as reducing the accuracy of land surface evapotranspiration data, inability to accurately simulate, and reducing the accuracy of land surface evapotranspiration data separation

Pending Publication Date: 2021-07-13
AEROSPACE INFORMATION RES INST CAS
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Problems solved by technology

The terrestrial hydrological model cannot accurately simulate the land surface evapotranspiration of the watershed in the natural state, which reduces the accuracy of the simulated land surface evapotranspiration data caused by natural factors, and reduces the natural factors in the total land surface evapotranspiration data. Separation accuracy of land surface evapotranspiration data and land surface evapotranspiration data caused by artificial factors

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  • Evaporative part separation method, part separation device, equipment and medium
  • Evaporative part separation method, part separation device, equipment and medium
  • Evaporative part separation method, part separation device, equipment and medium

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Embodiment Construction

[0036] The present invention is described below based on examples, but the present invention is not limited to these examples. In the following detailed description of the invention, some specific details are set forth in detail. The present invention can be fully understood by those skilled in the art without the description of these detailed parts. In order to avoid obscuring the essence of the present invention, well-known methods, procedures, and flow charts are not described in detail. Additionally, the drawings are not necessarily drawn to scale.

[0037] figure 1 A schematic flow diagram showing an evapotranspiration component separation method for land surface evapotranspiration data according to an embodiment of the present invention. Specifically include the following steps:

[0038] In step S110, land surface evapotranspiration data and environmental characteristic data of land cover in a preset spatial region within a certain time scale are obtained, and the la...

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Abstract

The invention discloses an evapotranspiration part separation method, a part separation device, equipment and a medium, and relates to the technical field of earth observation. The evapotranspiration part separation method comprises the following steps: collecting land surface evapotranspiration data, land cover and environment characteristic data in a preset space region within a certain time; inputting the environmental characteristic data of the artificial land cover into a natural evapotranspiration prediction model, wherein the natural evapotranspiration prediction model is executed by computer equipment to obtain first land surface evapotranspiration data caused by natural factors in land surface evapotranspiration data of the artificial land cover; and obtaining second land surface evapotranspiration data caused by artificial factors in the land surface evapotranspiration data of the artificial land cover based on the first land surface evapotranspiration data and the land surface evapotranspiration data of the artificial land cover. According to the evapotranspiration part separation method provided by the embodiment of the invention, the management effectiveness of water resources is improved.

Description

technical field [0001] The invention relates to the technical field of earth observation, in particular to an evapotranspiration component separation method, component separation device, equipment and medium. Background technique [0002] Land surface evapotranspiration data is a key parameter of the water cycle in a basin, and a key variable to measure the consumption intensity of land surface water resources and the total amount of land surface water resources. The formation mechanism of land surface evapotranspiration is extremely complex and is the result of the combined effects of nature and human activities. Realizing the separation of human activity and natural contribution in land surface evapotranspiration is of great significance for improving the management of water resources at the basin scale. . In related technologies, the total land surface evapotranspiration data of the watershed are usually monitored through remote sensing. The terrestrial hydrological mod...

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Application Information

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IPC IPC(8): G06F30/27G06N20/00
CPCG06F30/27G06N20/00
Inventor 曾红伟吴炳方田富有莫斯
Owner AEROSPACE INFORMATION RES INST CAS
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