Drought early warning method and device, computer equipment and storage medium

A drought and drought index technology, applied in the field of devices, computer equipment and storage media, and drought early warning methods, can solve the problems of low accuracy of drought early warning, difficulty in obtaining drought level analysis methods for input parameter types of drought indicators, and lack of comprehensiveness, etc. To achieve the effect of improving the accuracy of early warning

Pending Publication Date: 2021-06-18
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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Problems solved by technology

[0003] However, the existing drought level analysis methods usually introduce multiple drought indicators that have been developed to participate in the analysis, but most drought indicators only use a single factor such as "precipitation, runoff, and soil water content" to characterize the drought level, which not only lacks comprehensive In addition, the accuracy of evaluation...

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  • Drought early warning method and device, computer equipment and storage medium
  • Drought early warning method and device, computer equipment and storage medium
  • Drought early warning method and device, computer equipment and storage medium

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[0056] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0057]In the description of the present application, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

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Abstract

The invention provides a drought early warning method and device, computer equipment and a storage medium. The method comprises the steps of obtaining the unit water deficit of a target early warning object in a preset unit duration; based on a preset accumulated water shortage time length, obtaining an accumulated water shortage amount corresponding to the water shortage amount; based on a preset function analysis algorithm, processing the accumulated water deficit to obtain a drought index value; determining the drought level of the target early warning object according to the drought index value; and according to the drought level, performing waterway prevention and control on the target early warning object. According to the method, drought early warning can be carried out on three object types including weather, agriculture and ecology, the data acquisition requirement conforming to the current monitoring level is met, and the early warning accuracy of various types of drought objects is effectively improved.

Description

technical field [0001] The present application relates to the technical field of drought early warning, in particular to a drought early warning method, device, computer equipment and storage medium. Background technique [0002] Drought is a complex natural phenomenon that commonly occurs in the world. Because of its wide range and long duration, it has become one of the most serious natural disasters in agricultural production and human life. Therefore, more and more drought level analysis methods It is proposed to help people take different solutions corresponding to different levels. [0003] However, the existing drought level analysis methods usually introduce multiple drought indicators that have been developed to participate in the analysis, but most drought indicators only use a single factor such as "precipitation, runoff, and soil water content" to characterize the drought level, which not only lacks comprehensive In addition, the input parameters required by som...

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/26G06F17/18
CPCG06F17/18G06Q10/04G06Q50/26
Inventor 袁喆许继军李思诺孙可可董玲燕鄢波
Owner CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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