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INTRASEASONAL OSCILLATIONS IN ASIA TO WESTERN PACIFIC REGION IN BOREAL SUMMER: CONTRASTIVE ANALYSIS FOR ACTIVE AND INACTIVE YEARS OF TROPICAL CYCLONES |
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| Authors: | HE Jie-lin WAN Qi-lin GUAN Zhao-yong and |
| Institution: | 1. Guangzhou Institute of Tropical and Marine Meteorology, CMA, Guangzhou 510080 China;Guangxi Climate Center, Nanning 530022 China;Nanjing University of Information Science & Technology,KLME, Nanjing 210044 China 2. Guangzhou Institute of Tropical and Marine Meteorology, CMA, Guangzhou 510080 China 3. Nanjing University of Information Science & Technology,KLME, Nanjing 210044 China |
| Abstract: | Comparative analysis is carried out by using finite-domain power spectrum and lagged regression methods for the propagating characteristics and air-sea interaction processes of intraseasonal oscillations (ISOs) in the Asia to western Pacific (AWP) region during the boreal summer between the active and inactive tropical cyclone (TC) years from 1979 to 2004.The results show as follows.(1) There exist more significant eastward propagating characteristics of the ISO in the active TC years over the whole AWP reg... |
| Keywords: | intraseasonal oscillation finite-domain wavenumber-frequency energy spectrum lagged linear regression tropical cyclones |
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