| 10月份热带印度洋海气耦合的统计动力诊断 |
| |
| 引用本文： | 卢姁,张东凌.10月份热带印度洋海气耦合的统计动力诊断[J].大气科学,2010,34(2):351-360. |
| |
| 作者姓名： | 卢姁 张东凌 |
| |
| 作者单位： | 中国人民解放军61741部队,北京,100081;解放军理工大学气象学院大气环流与短期气候预测实验室,南京,211101;中国科学院大气物理研究所国际气候与环境科学中心,北京,100029 |
| |
| 基金项目： | 国家重点基础研究发展规划项目2007CB411805 |
| |
| 摘 要： | 本文将热带印度洋10月份的大气风场和海洋上层流场看作一个整体, 对其作了动力统计诊断, 即作了复EOF分析, 考察了其年际和年代际变化, 并揭示其与印度洋偶极子 (IOD) 和ENSO的关系。结果表明: 在同一模态中, 海洋模态表现出很强的赤道俘获现象, 而大气则无此现象; 第一模态为印度洋偶极子模态; 第二模态为ENSO前期在印度洋的延伸模态。前2个模态的风场都揭示了Walker环流异常的结构; 印度洋海温的年际变化主要取决于印度洋地区的海气耦合状态, 但太平洋的ENSO循环对其也有一定影响。
|
| 关 键 词： | 复EOF分析 印度洋偶极子 ENSO |
Dynamic Statistic Analysis of Coupled Circulation of Atmosphere and Ocean in the Tropical Indian Ocean in October |
| |
| LU Xu and ZHANG Dongling.Dynamic Statistic Analysis of Coupled Circulation of Atmosphere and Ocean in the Tropical Indian Ocean in October[J].Chinese Journal of Atmospheric Sciences,2010,34(2):351-360. |
| |
| Authors: | LU Xu and ZHANG Dongling |
| |
| Institution: | 1.Unit 61741, PLA, Beijing,100081;Laboratory of Atmospheric Circulation and Short-Range Climate Forecast Meteorological College, PLA University of Science and Technology, Nanjing, 2111012.International Centre for Climate and Environment Sciences, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029 |
| |
| Abstract: | The Complex EOF(CEOF)analysis was carried out in order to study the interannual and interdecadal variations of the coupled circulation of atmosphere and ocean in the tropical Indian Ocean and unveil their relationship with the Indian Ocean dipole(IOD)and ENSO.The results show that:In the same mode,the anomalous current of ocean is equatorial-trapped,but the wind field has no such phenomena;the first mode has a close relationship with the IOD,the second mode counts much on ENSO;the atmosphere field of the fi... |
| |
| Keywords: | CEOF analysis Indian Ocean dipole ENSO |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《大气科学》浏览原始摘要信息 |
| 点击此处可从《大气科学》下载免费的PDF全文 |
|
