ENSO indices and analyses |
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Authors: | WANG Zhiren WU Dexing CHEN Xue'en QIAO Ran |
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Institution: | 1. Institute of Marine and Coastal Sciences of Rutgers University, New Jersey 08901, USA 2. Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100 3. National Research Center for Marine Environmental Forecasts,Beijing,100081 |
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Abstract: | New ENSO indices were developed and the spatial variability and temporal evolution of ENSO were analyzed based on the new indices and modeling experiments, as well as multiple data resources. The new indices, after being defined, were validated with their good diagnostic characteristics and correlation with wind and SST. In the analysis after the definition and validation of the new indices, ENSO feedbacks from wind, heat fluxes, and precipitation were spatially and temporally examined in order to understand ENSO variability and evolution with some emphasized points such as the interaction among the feedbacks, the role of westerly wind bursts and the transformation between zonal and meridional circulations in an ENSO cycle, and the typical pattern of modern ENSO. |
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Keywords: | ENSO ENSO indices Walker Circulation westerly wind bursts ENSO feedbacks |
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