A multi-level typhoon disaster risk assessment method

Abstract

A multi-level typhoon disaster risk assessment method, comprising: constructing the loss rate curves of various elements of typhoons under different intensity levels according to the typhoon intensity level and the influencing factors of the typhoon intensity level; The typhoon loss standard under the level is used to assess the vulnerability of the typhoon-affected body based on the loss standard; at the same time, the risk of typhoon occurrence under different intensity levels is assessed based on the typhoon track data. The invention realizes the quantitative assessment of typhoon disaster risk on the basis of analyzing the risk of typhoon disaster and combining the vulnerability of typhoon disaster-affected bodies.

Description

technical field [0001] The invention relates to the technical field of disaster risk assessment, in particular to a multi-level typhoon disaster risk assessment method. Background technique [0002] The increase in temperature not only directly affects the changes in temperature extremes, but also leads to changes in the frequency and intensity of extreme climate events such as high temperature, drought, rainstorm and flood. The frequent occurrence of extreme climate events, the frequency and intensity of extreme events, and the associated meteorological disaster losses have attracted the attention of relevant researchers. In recent decades, the frequency and intensity of extreme heavy precipitation events in the middle and high latitudes of the northern hemisphere have shown an increasing trend. In most areas, the frequency of abnormally cold nights related to the minimum temperature has decreased significantly, and the frequency of abnormally warm nights has increased sign...

AI Technical Summary

Problems solved by technology

There have been in-depth and extensive studies on the three aspects of typhoon-induced strong winds, heavy rain, and storm surges. The vulnerability of typhoon disaster-affected bodies focuses on structural vulnerability, mainly focusing on the individual elements of specific disaster-affected bodies. Considering population There are few researches on the aspects of typhoon, society, and economy. There are many semi-quantitative studies on typhoon risk assessment based on the relative risk level, but there is a lack of quantitative assessment methods.

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