APPLICATION OF WAVELET TRANSFORMATION TO ANALYSIS OF MULTIPLE TIME SCALE CLIMATE CHANGE

Deng Ziwang(Department of Applied Meteorology, NIM, Nanjing 210044)You Weihong Lin Zhengshan(Department of atmospheric Sciences, Nanjing University, Nanjing 210008)  

Mexican Hatform wavelet transformation is used to investigate the structures of bihemispheric and global climate change at multitime scales and the points of abrupt change. The results suggest that climate change exhibits different coldwarm structures and abrupt points at these scales, displaying remarkable difference between the hemispheres, indicating that wavelet transformation is a powerful tool in the study of climate change.

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