Composite extreme climate event identification method and system

An identification method and complex technology, applied in the field of meteorology, can solve the problems of difficult influence range, difficult to accurately identify complex extreme events, etc.

Active Publication Date: 2021-11-23
NANJING UNIV OF INFORMATION SCI & TECH
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Problems solved by technology

However, the occurrence of extreme events is multiple and superimposed in terms of types, space and time, and many major disasters are caused by compound climate extreme events
The single-threshold identification method is difficult to accurately identify compound extreme events, and it is even more difficult to accurately determine the scope of their influence

Method used

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  • Composite extreme climate event identification method and system
  • Composite extreme climate event identification method and system
  • Composite extreme climate event identification method and system

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Embodiment Construction

[0046] 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 persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0047] First aspect, such as figure 1 As shown, the application provides a composite extreme climate event identification method, which includes:

[0048] 110. Obtain climate grid point data of at least two types of climate indicators in the area to be identified within the monitoring time period.

[0049] In an optional embodiment of the present application, the monitoring time period and the area to be identified may be preset by the server or customized by the queryer. Among them, the ...

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Abstract

The invention discloses a composite extreme climate event identification method and system, which are different from an identification method of a single climate index threshold value, the method combines various climate index types to identify the composite extreme climate of a to-be-identified area, and the influence range of the composite extreme climate is identified more comprehensively. Furthermore, the method can also identify the moving track of the central grid point of each composite extreme climate sub-type in the composite extreme climate area. The influence change of the compound extreme climate is further vividly displayed, so that technicians can conveniently analyze the climate change and the influence brought by the compound climate.

Description

technical field [0001] This application belongs to the field of meteorology, and in particular relates to a method and system for identifying compound extreme climate events. Background technique [0002] In the context of global warming, the intensity and frequency of extreme climate events are increasing, sudden and unpredictable, and have a profound impact on the economic development of human society and the ecological environment. Therefore, objective identification and recording of extreme climate events is particularly important. [0003] Most of the current extreme event risk studies focus on a single climate index value and use a single threshold to define the extreme value. For example, a single extreme temperature threshold and extreme precipitation threshold are used to define disasters such as high temperature heat waves and floods. However, the occurrence of extreme events is multiple and superimposed in types, space and time, and many major disasters are caus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G01W1/00
CPCG06F30/20G01W1/00Y02A90/10
Inventor 王艳君苏布达黄金龙林齐根高妙妮姜彤王国杰
Owner NANJING UNIV OF INFORMATION SCI & TECH
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