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Meteorological drought monitoring and predicting method

A forecasting method, meteorological drought technology, applied in forecasting, image data processing, editing/combining graphics or text, etc., can solve the problems of unclear, slow and aggravated drought

Pending Publication Date: 2020-11-17
GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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Problems solved by technology

However, there is no clear quantitative indicator for drought prediction, and the development prediction of drought is usually only a qualitative description. For example, if a certain place is forecast to have heavy rain in the next few days, the drought is expected to slow down; , the drought is expected to intensify in

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  • Meteorological drought monitoring and predicting method

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Embodiment Construction

[0036] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0037] Unless otherwise expressly stated otherwise, throughout the specification and claims, the term "comprise" or its conjugations such as "comprises" or "comprises" shall be understood to include the stated elements or constituents, It does not exclude other elements or other components.

[0038] Such as Figure 1-3 Where, a meteorological drought monitoring and forecasting method comprises the following steps:

[0039] S1. Obtain precipitation remote sensing image data for a certain period of time from the website of an authoritative organization. In this embodiment, the authority website is the National Aeronautics and Space Administration (NASA) service website, the precipitation remote sensing data is the GPM ...

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Abstract

The invention discloses a meteorological drought monitoring and prediction method, and belongs to the technical field of meteorological drought monitoring and prediction. The method comprises the following steps: obtaining precipitation remote sensing image data in a certain time period from an authority website; converting the remote sensing image data into precipitation; forming a monthly-scalecalculation time period by continuous 30 days, adding the precipitation of each day in the calculation time period to obtain the precipitation of the calculation time period, respectively calculatingthe precipitation of the calculation time period and the precipitation of the same period over the years, and calculating to obtain the monthly-scale precipitation mean percentage; and making a monthly-scale precipitation and mean percentage distribution diagram of the target area. According to the method, the weather conditions and the temperature ranges of all days in the future can be obtainedaccording to the weather forecast information issued by the meteorological department, the predicted precipitation mean square percentage of all days in the future is calculated, and therefore the purpose of conducting quantitative drought prediction on all days in the future is achieved.

Description

technical field [0001] The invention belongs to the technical field of meteorological drought monitoring and forecasting, in particular to a meteorological drought monitoring and forecasting method. Background technique [0002] Drought is a complex natural phenomenon that commonly occurs in the world. It affects a wide range and lasts for a long time. It is one of the most serious natural disasters in agricultural production and human life. Due to different areas of concern, drought is usually divided into 4 categories: meteorological drought: abnormal water shortage caused by the imbalance of precipitation and evaporation; agricultural drought: external environmental factors cause water shortage in crops and affect the normal growth of crops Development; hydrological drought: water shortage caused by the imbalance between precipitation and surface water or groundwater; socioeconomic drought: water shortage caused by the imbalance of water supply and demand between natural ...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/26G06T11/60G06T3/40G06T5/00G06T7/12
CPCG06Q10/04G06Q50/26G06T11/60G06T3/4053G06T7/12G06T2207/10032G06T2207/30192G06T5/70
Inventor 杨绍锷黄启厅谢国雪韦健曾志康
Owner GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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