| Variabilities of Surface Current in the Tropical Pacific Ocean |
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| 作者姓名： | WANGOi HURuijin AnnaZaklikowski |
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| 作者单位： | [1]DepartmentofMarineMeteorology,OceanUniversityofQingdao,Qingdao266003,P.R.China [2]DepartmentofCivilandEnvironmentalEngineering,ClarksonUniversity,Potsdam,USA |
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| 摘 要： | The Simple Ocean Data Assimilation (SODA) package is used to better understand the variabilities of surface current transport in the Tropical Pacific Ocean from 1950 to 1999. Seasonal variation, interannual and decadal variability analyses are conducted on the three major surface currents of the Tropical Pacific Ocean: the North Equatorial Current (NEC), the North Equatorial Countercurrent (NECC), and the South Equatorial Current (SEC). The transport of SEC is quite larger than those of NEC and NECC. The SEC has two maximums in February and August. The NEC has a small annual variation. The NECC has a maximum in October and is very weak in March and April. All currents have remarkable interannual and decadal variabilities. The variabilities of the NEC and the SEC relate to the winds over them well, but the relationship between the NECC and the wind over it is not close. Analysis related to El Nin^-o-Southern Oscillation (ENSO) suggests that before El Nifio (La Nin^-a) the SEC is weaker (stronger) and the NECC is stronger (weaker), after El Nifio (La Nifia) the SEC is stronger (weaker) and the SEC is weaker (stronger). There is no notable relationship between the NEC and ENSO.
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| 关 键 词： | 太平洋热带地区 北赤道气流 北赤道反向气流 南赤道气流 热交换 |
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