| EFFECTS OF PACIFIC SSTA ON SUMMER PRECIPITATION OVER EASTERN CHINA, PART Ⅰ: OBSERVATIONAL ANALYSIS |
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| 引用本文： | 余贞寿,孙照渤,倪东鸿,曾刚.EFFECTS OF PACIFIC SSTA ON SUMMER PRECIPITATION OVER EASTERN CHINA, PART Ⅰ: OBSERVATIONAL ANALYSIS[J].热带气象学报(英文版),2007,13(2):105-112. |
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| 作者姓名： | 余贞寿 孙照渤 倪东鸿 曾刚 |
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| 作者单位： | YU Zheng-shou（Wenzhou Meteorological Bureau, Wenzhou 325027 China;Jiangsu Key Laboratory of Meteorological Disaster,NUIST, Nanjing 210044 China） ;
SUN Zhao-bo（Jiangsu Key Laboratory of Meteorological Disaster,NUIST, Nanjing 210044 China） ;
NI Dong-hong（Jiangsu Key Laboratory of Meteorological Disaster,NUIST, Nanjing 210044 China） ;
ZENG Gang（Jiangsu Key Laboratory of Meteorological Disaster,NUIST, Nanjing 210044 China） ; |
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| 基金项目： | Natural Science Foundation of China(40331010); Study Project of Jiangsu Key Laboratory of Meteorological Disaster (KLME050304) |
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| 摘 要： |
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| 关 键 词： | 中国 东方 热带 夏季 降雨 太平洋 |
EFFECTS OF PACIFIC SSTA ON SUMMER PRECIPITATION OVER EASTERN CHINA, PART I: OBSERVATIONAL ANALYSIS |
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| YU Zheng-shou,SUN Zhao-bo,NI Dong-hong and ZENG Gang.EFFECTS OF PACIFIC SSTA ON SUMMER PRECIPITATION OVER EASTERN CHINA, PART I: OBSERVATIONAL ANALYSIS[J].Journal of Tropical Meteorology,2007,13(2):105-112. |
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| Authors: | YU Zheng-shou SUN Zhao-bo NI Dong-hong and ZENG Gang |
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| Institution: | [1]Wenzhou Meteorological Bureau, Wenzhou 325027 China [2]Jiangsu Key Laboratory of Meteorological Disaster, NUIST, Nanjing 210044 China |
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| Abstract: | With the methods of REOF (Rotated Empirical Orthogonal Function), the summer precipitation from 43 stations over eastern China for the 1901 - 2000 period was examined. The results show that South China and Southwest China, the middle and lower reaches of Changjiang River, North China and the southwestern of Northeast China are the three main areas of summer rainfall anomaly. Furthermore, correlation analysis is used in three time series of three mostly summer rainfall modes and four seasonal Pacific SSTA (Sea Surface Temperature Anomaly), and the results suggest that the Pacific SSTA which notably causes the summer rainfall anomaly over eastern China are the SSTA of the preceding winter over Kuroshio region of Northwest Pacific, SSTA of the preceding spring in the eastern and central equatorial Pacific, and SSTA of the current summer in the central region of middle latitude. The relationship between summer precipitation over eastern China and SSTA of Pacific key regions was further verified by SVD (Singular Value Decomposition) analysis.The composite analysis was used to analyze the features of atmospheric general circulation in the years of positive and negative precipitation anomaly. Its results were used to serve as the base of numerical simulation analysis. |
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| Keywords: | eastern China summer precipitation Pacific SSTA |
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