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| 气候平均状况下亚洲夏季风的季节内演变过程 | |
| 引用本文： | 吕俊梅,陶诗言,张庆云,琚建华.气候平均状况下亚洲夏季风的季节内演变过程[J].高原气象,2006,25(5):814-823. |
| 作者姓名： | 吕俊梅 陶诗言 张庆云 琚建华 |
| 作者单位： | 1. 中国科学院,大气物理研究所大气科学和地球流体力学数值模拟国家重点实验室,北京,100029;中国气象局,中国气象科学研究院,北京,100081 2. 中国科学院,大气物理研究所大气科学和地球流体力学数值模拟国家重点实验室,北京,100029 3. 中国气象局培训中心,北京,100081 |
| 基金项目： | 中国科学院知识创新重要方向性项目“亚洲季风年代际异常及其机理研究”(KZCX3-SW-226)，国家自然科学基金重点项目(40233033)，国家自然科学基金项目(40365001)共同资助 |
| 摘 要： | 根据1979—1995年美国NOAA的向外长波辐射逐日资料,用功率谱分析和带通滤波方法,对气候平均状况下亚洲夏季风的季节内演变过程进行分析,归纳得到亚洲季风区各个子系统季节内变化的8个关键阶段。利用1979—1999年NCEP/NCAR的大气环流再分析资料及中国气象局降水资料CMAP,对每个关键阶段亚洲夏季风的环流和降水的时空演变特征进行分析,得到亚洲季风区环流和降水季节内变化的物理图像。研究表明,在不同的季节内演变阶段,亚洲夏季风各个子系统成员的环流系统的变化特征可以将亚洲夏季风系统的季节内演变过程较好地描述出来。 |
| 关 键 词： | 气候平均 亚洲夏季风 关键阶段 季节内演变 |
| 文章编号： | 1000-0534（2006）05-0814-10 |
| 收稿时间： | 2005-03-07 |
| 修稿时间： | 2005-03-072005-12-20 |
Processes of Intraseasonal Evolution of Asian Summer Monsoon Under Climatological Mean Condition |
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| L Jun-mei,TAO Shi-yan,ZHANG Qing-yun,JU Jian-hua.Processes of Intraseasonal Evolution of Asian Summer Monsoon Under Climatological Mean Condition[J].Plateau Meteorology,2006,25(5):814-823. | |
| Authors: | L Jun-mei TAO Shi-yan ZHANG Qing-yun JU Jian-hua |
| Affiliation: | 1. State Key Laboratory of Numerical Modeling for Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics Chinese Academy of Sciences, Beijing 100029, China; 2. Chinese Academy of Meteorological Sciences, China Meteorological Administration, Beijing 100081, China; 3. China Meteorological Administration Training Centre, Beijing 100081, China |
| Abstract: | Based on the daily data of outgoing longwave radiation(OLR) from National Oceanic and Atmospheric Administration(NOAA) satellites in 1979-1995,the power spectrum analysis and band-pass filter are implemented to investigate the processes of intraseasonal evolution of the Asian summer monsoon under climatological mean.The intraseasonal evolution of subsystems in Asian monsoon region is divided into eight key stages.At every stage,the temporal and spacial structures of the atmospheric circulation and rainfall are analyzed using the National Centers for Environment Prediction-National Center for Atmospheric research reanalysis and Climate Prediction Center Merged Analysis of Precipitation data in 1979-1999.The physical picture of intraseasonal precipitation change of atmospheric circulation and precipitation over the Asian monsoon region is obtained.The result shows that the variability characteristics of circulation systems of Asian summer monsoon subsystems at different intraseasonal evolution stages can primely describe the intraseasonal evolution processes of the entire Asian summer monsoon system. |
| Keywords: | Climatological mean Asian summer monsoon Key stage Intraseasonal evolution |
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