| 北半球冬季WA遥相关型影响东亚初夏季风的可能途径 |
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| 引用本文： | 徐海明,何金海,管兆勇,王黎娟.北半球冬季WA遥相关型影响东亚初夏季风的可能途径[J].南京气象学院学报,2000,23(3):361-369. |
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| 作者姓名： | 徐海明 何金海 管兆勇 王黎娟 |
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| 作者单位： | 南京气象学院大气科学系,南京,210044 |
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| 基金项目： | 国家自然科学基金资助项目!( 497752 65) |
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| 摘 要： | 通过ＳＶＤ和滞后相关分析，研究了北半球冬季ＷＡ遥相关型与后期初夏东亚季风的联系及可能的影响途径。结果表明，北半球冬季ＷＡ型与东亚初夏季风存在密切的联系，其影响东亚初夏季风的过程可概述为：在北半球冬季，ＷＡ型强弱可引起西北大西洋海温异常，由于海温具有很好的持续性，这种海温异常可一直持续到春季和初夏６月份；而春季和初夏６月份，北大西洋海温异常又反过来对大气环流产生影响，引起欧亚中高纬大气环流异常，特别
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| 关 键 词： | WA遥相关型 东亚初夏季风 影响途径 大气环流 |
| 修稿时间： | 1999-02-21 |
POSSIBLE WAY OF THE EFFECT OF WA TELECONNECTION PATTERN ON THE EARLY SUMMER MONSOON OVER EASTERN ASIA |
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| Xu Haiming,He Jinhai,Guan Zhaoyong,Wang Lijuan.POSSIBLE WAY OF THE EFFECT OF WA TELECONNECTION PATTERN ON THE EARLY SUMMER MONSOON OVER EASTERN ASIA[J].Journal of Nanjing Institute of Meteorology,2000,23(3):361-369. |
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| Authors: | Xu Haiming He Jinhai Guan Zhaoyong Wang Lijuan |
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| Abstract: | In the context of the SVD and lagged correlation analysis, the relationship betw een the WA pattern in the northern hemisphere winter and the early summer monsoo n over eastern Asia and the possible way in association with the former and the latter are conducted. Results show that the early summer monsoon over eastern As ia is closely related to the WA teleconnection pattern and the possible way in c ombination with the WA pattern and early summer monsoon over eastern Asia can be described as follows: The winter WA pattern produces northwest Atlantic SSTA do minantly by dint of sea-air interaction on a local basis, which lasts till spri ng and early summer and causes,in turn, the anomaly of the atmospheric circulati ons in the NW Europe to the Urals and Okhotsk sea, thereby exerting effect on th e east Asian monsoon in early summer. |
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| Keywords: | WA teleconnection pattern early summer mon soon over eastern Asia possible way |
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