| 近百年全球海温异常变化与长江中下游梅雨 |
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| 引用本文： | 周丽,魏凤英.近百年全球海温异常变化与长江中下游梅雨[J].高原气象,2006,25(6):1111-1119. |
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| 作者姓名： | 周丽 魏凤英 |
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| 作者单位： | 1. 中国气象局,中国气象科学研究院灾害天气国家重点实验室,北京,100081;南京信息工程大学,江苏,南京,210044
2. 中国气象局,中国气象科学研究院灾害天气国家重点实验室,北京,100081 |
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| 摘 要： | 使用Butterworth带通滤波的方法,将1885年以来全球海温和长江中下游梅雨量进行2~3年、2.5~7年、11~13年和15~20年4个时间尺度周期带的滤波,分析了二者特定周期带振荡之间的相关关系。结果表明,全球海温与长江中下游梅雨特定周期带变化之间的相关比带通滤波前的相关显著,特别是较长时间尺度的周期带的相关更显著。
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| 关 键 词： | 长江中下游梅雨 全球海温 年际振荡 年代际振荡 |
| 文章编号： | 1000-0534（2006）06-1110-09 |
| 收稿时间： | 2005-08-20 |
| 修稿时间： | 2005-08-202005-11-04 |
Relationships between the Meiyu in the Mid-and Lower-Reaches of Changjiang River and the Global SST Anomalies during the Last 100 years |
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| ZHOU Li,WEI Feng-ying.Relationships between the Meiyu in the Mid-and Lower-Reaches of Changjiang River and the Global SST Anomalies during the Last 100 years[J].Plateau Meteorology,2006,25(6):1111-1119. |
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| Authors: | ZHOU Li WEI Feng-ying |
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| Institution: | 1. State Key Laboratory of Severe Weather, China Meteorological Administration,Chinese Academy of Meteorological Sciences,Beijing 100081, China; 2. Nanjing University of Information Science and Technology, Nanj ing 210044, China |
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| Abstract: | The Meiyu amount in the mid-and lower-reaches of the Changjiang River and global SST data during the last 100 years are filtered in turn using Butterworth bandpass filters 2~3,2.5~7,11~13 and 15~20 years in this paper.The results show that the correlation between Meiyu and SST filtered is better than unfiltered data,which demonstrates the characteristics of interannual and interdecadal frequencies of SST associated with the anomaly of Meiyu.In addition,the significantly durative seasonal characteristics are appeared in several regions of global SST and Meiyu using the interdecadal and interannual filtering data. |
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| Keywords: | Meiyu in the mid-and lower-reaches of Changjiang River Global SST Interannual frequency Interdecadal frequency |
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