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Development Processes of the Tropical Pacific Meridional Mode |
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| Authors: | WU Shu WU Lixin LIU Qinyu and Shang-Ping XIE |
| Institution: | Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100, Center for Climatic Research, University of Wisconsin-Madison, Madison, WI, USA,Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100,Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100,International Pacific Research Center and Department of Meteorology, University of Hawaii, Honolulu, USA |
| Abstract: | Mechanisms for the spatio-temporal development of the Tropical Pacific Meridional Mode(TPMM) are investigated using a coupled ocean-atmosphere model and observations.In both observations and the model,this meridional mode displays decadal variations and is most pronounced in spring and early summer.The model simulation suggests that once SST anomalies in the subtropical northeastern Pacific are initiated,say by northeasterly trade wind variability,perturbations evolve into a merdional dipole in 2-3 months.A... |
| Keywords: | Tropical Pacific Meridional Mode wind-evaporative-SST feedback oceanic upwelling decadal variation seasonal phase lock |
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