التفاصيل البيبلوغرافية
| العنوان: |
Forcing of the Indian Ocean Dipole on the Interannual Variations of the Tropical Pacific Ocean: Roles of the Indonesian Throughflow. |
| المؤلفون: |
Dongliang Yuan, Jing Wang, Tengfei Xu, Peng Xu, Zhou Hui, Xia Zhao, Yihua Luan, Weipeng Zheng, Yongqiang Yu |
| المصدر: |
Journal of Climate; Jul2011, Vol. 24 Issue 14, p3593-3608, 16p, 2 Graphs, 7 Maps |
| مصطلحات موضوعية: |
DIPOLE moments, CIRCULATION models, SEA level, THERMOCLINES (Oceanography) |
| مصطلحات جغرافية: |
PACIFIC Ocean, INDIAN Ocean |
| مستخلص: |
Controlled numerical experiments using ocean-only and ocean--atmosphere coupled general circulation models show that interannual sea level depression in the eastern Indian Ocean during the Indian Ocean dipole (IOD) events forces enhanced Indonesian Throughflow (ITF) to transport warm water from the upper-equatorial Pacific Ocean to the Indian Ocean. The enhanced transport produces elevation of the thermocline and cold subsurface temperature anomalies in the western equatorial Pacific Ocean, which propagate to the eastern equatorial Pacific to induce significant coupled evolution of the tropical Pacific oceanic and atmospheric circulation. Analyses suggest that the IOD-forced ITF transport anomalies are about the same amplitudes as those induced by the Pacific ENSO. Results of the coupled model experiments suggest that the anomalies induced by the IOD persist in the equatorial Pacific until the year following the IOD event, suggesting the importance of the oceanic channel in modulating the interannual climate variations of the tropical Pacific Ocean at the time lag beyond one year. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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