|
|||||
|
|
| 1990—2009年中国大陆主汛期降水的变化特征及其可能原因 | |
| 引用本文： | 冷春香,程华琼,陈菊英.1990—2009年中国大陆主汛期降水的变化特征及其可能原因[J].防灾科技学院学报,2011,13(3):1-8. |
| 作者姓名： | 冷春香 程华琼 陈菊英 |
| 作者单位： | 1. 中国气象局行政管理局,北京,100081 2. 北京师范大学全球变化与地球系统科学研究院,北京,100875 3. 中国气象科学研究院,北京,100081 |
| 摘 要： | 利用我国160个台站1951—2010年逐月降水观测资料,分析了我国1990—2009年夏季（6—8月）降水的变化特征,对其代表性雨型进行了分类,重点分析了1990年代和2000年代主要多雨带的变化特征。此外还分析了1990年代和2000年代的北半球500 hPa大尺度环流背景和气温及海温背景的差异,从而探讨了夏季降水... |
| 关 键 词： | 夏季降水 变化特征 全球气候异常变暖 成因 中国大陆 |
Analysis of Summer Precipitation Change over China for Last 20 Years and the Possible Causes |
|
| Leng Chunxinag,Cheng Huaqiong,Chen Juying.Analysis of Summer Precipitation Change over China for Last 20 Years and the Possible Causes[J].Journal of Institute of Disaster-prevention Science and Technology,2011,13(3):1-8. | |
| Authors: | Leng Chunxinag Cheng Huaqiong Chen Juying |
| Institution: | Leng Chunxinag1,Cheng Huaqiong2,Chen Juying3(1.Chinese Meteorological Administration,Beijing 100081,2.GCESS,Beijing Normal University,Beijing 100875,3.Chinese Academy of Meteorology Science,Beijing 100081) |
| Abstract: | The variations of summer precipitation in China for the last 20 years are analyzed by using the observed data at 160 stations during 1951—2009.The characteristics of the summer rain belt in China during 1990—1999 and 2000—2009 are also analyzed.In order to explain the cause of the variability of summer rainfall,the 500 hPa geo-potential height in northern hemisphere and sea surface temperature over Pacific during 1990—1999 and 2000—2009 are analyzed.The results show that the summer precipitation in the Yangtze River basin was above normal during 1990—1999;the rain belt moved northward to the Huaihe River Basin during 2000—2009;and this moving is largely caused by the global warming in 21st century and the increased land sea thermal contrast. |
| Keywords: | summer precipitation variation Global warming climate anomalies Causes Chinese mainland |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |