Abstract

Chaos feature of the time series of the flood and drought areas in China

Author(s): Shouhua Cai, Ying Shen

To quantitatively discover the chaotic dynamic characteristics of time series of the flood and drought areas of China, according to the 61 years of affected area statistical data of the flood and drought, the correlation dimensions of the time series of the flood and drought areas are calculated in the reconfiguration space method. The correlation dimension can be used as valuable index to reflect the disaster characteristics. By the calculation, the correlation dimensions of time series of the flood and drought areas are 0.517 and 0.484 respectively, which shows that droughts are more complex than the floods in China. The results can be applied to further study of the floods and drought features and the prediction of floods and drought of China.


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