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Method and device for acquiring soil moisture information, computer equipment and storage medium

A soil moisture and acquisition method technology, applied in the field of satellite remote sensing, can solve problems such as poor accuracy, achieve the effect of improving accuracy, ensuring spatial resolution, and avoiding additional errors

Active Publication Date: 2019-01-01
TSINGHUA UNIV
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Problems solved by technology

[0004] However, there is still a problem of poor accuracy in estimating soil moisture information based on the surface temperature information obtained by the current multi-source surface temperature information fusion method

Method used

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  • Method and device for acquiring soil moisture information, computer equipment and storage medium
  • Method and device for acquiring soil moisture information, computer equipment and storage medium
  • Method and device for acquiring soil moisture information, computer equipment and storage medium

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Embodiment Construction

[0044] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0045] The soil moisture information acquisition method provided by the embodiment of the present application can be applied to various terminal devices, servers, etc.; wherein, the terminal devices can be but not limited to various large computers, personal computers, notebook computers, smart phones, tablet computers and portable Wearable device. Exemplarily, taking a terminal device as an example, the soil moisture information acquisition method provided in the embodiment of the present application can be applied to such as figure 1In the information processing system ...

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Abstract

The application relates to a method and a device for acquiring soil moisture information, computer equipment and a storage medium. The method comprises the following steps: acquiring vegetation indexinformation and multi-source surface temperature information of a target area, wherein the multi-source surface temperature information at least includes first surface temperature information and second surface temperature information, the first surface temperature information is the surface temperature data of each clear sky day, and the spatial scale of the first surface temperature informationis smaller than the spatial scale of the second surface temperature information; spatially fusing the first surface temperature information and the second surface temperature information according tothe spatial scale of the first surface temperature information, and calculating the fused surface temperature information of the target area; calculating the temperature vegetation drought index information of the target area according to the vegetation index information and the fused surface temperature information; calculating the soil moisture information of the target area according to the temperature vegetation drought index information. By adopting the method, the accuracy of soil moisture information can be improved.

Description

technical field [0001] The present application relates to the field of satellite remote sensing technology, in particular to a soil moisture information acquisition method, device, computer equipment and storage medium. Background technique [0002] Soil moisture is an important part of energy, water, and carbon cycles, so soil moisture information is crucial to the study of agricultural hydrological cycles and crop production, and can provide reliable flux boundary conditions for land-atmosphere models, hydrological models, and precipitation forecast models. At the same time, it has important value in agricultural drought monitoring, irrigation system optimization and agricultural water resource management. Traditionally, soil moisture is mainly obtained by on-site measurement such as weighing method, time domain reflectometer and real-time monitoring system. However, the regional soil moisture data obtained by the soil moisture spatial interpolation method at each on-site ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24
Inventor 龙笛白亮亮岩腊
Owner TSINGHUA UNIV
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