| EFFECTS OF PACIFIC SSTA ON SUMMER PRECIPITATION OVER EASTERN CHINA, PART II: NUMERICAL SIMULATIONS |
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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： | Wenzhou Meteorological Bureau，Jiangsu Key Laboratory of MeteorologicalDisaster NUIST Nanjing 210044 China，Jiangsu Key Laboratory of MeteorologicalDisaster NUIST，Jiangsu Key Laboratory of MeteorologicalDisaster NUIST，Jiangsu Key Laboratory of MeteorologicalDisaster NUIST，Wenzhou 325027 China，Nanjing 210044 China，Nanjing 210044 China，Nanjing 210044 China |
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| 基金项目： | Natural Science Foundation of China(40331010)，Study Project of Jiangsu Key Laboratoryof Meteorological Disaster (KLME050304) |
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| 摘 要： | Based on an observational analysis, seven numerical experiments are designed to study the impacts of Pacific SSTA on summer precipitation over eastern China and relevant physical mechanism by NCAR CCM3. The numerical simulation results show that preceding winter SSTA in the Kuroshio region leads to summer precipitation anomaly over the Yangtze River valleys by modifying atmospheric general circulation over eastern Asia and middle-high latitude. West Pacific subtropical high is notably affected by preceding spring SSTA over the middle and east of Equator Pacific; SSTA of the central region of middle latitude in the corresponding period causes the summer rainfall anomaly over eastern China so as to trigger the atmospheric Eurasia-Pacific teleconnection pattern.
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EFFECTS OF PACIFIC SSTA ON SUMMER PRECIPITATION OVER EASTERN CHINA, PART II: NUMERICAL SIMULATIONS |
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| YU Zheng-shou ,SUN Zhao-bo ,NI Dong-hong,ZENG Gang.EFFECTS OF PACIFIC SSTA ON SUMMER PRECIPITATION OVER EASTERN CHINA, PART II: NUMERICAL SIMULATIONS[J].Journal of Tropical Meteorology,2007(2). |
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| Authors: | YU Zheng-shou SUN Zhao-bo NI Dong-hong ZENG Gang |
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| Institution: | YU Zheng-shou 1,2,SUN Zhao-bo 2,NI Dong-hong2,ZENG Gang2 |
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| Abstract: | Based on an observational analysis, seven numerical experiments are designed to study the impacts of Pacific SSTA on summer precipitation over eastern China and relevant physical mechanism by NCAR CCM3. The numerical simulation results show that preceding winter SSTA in the Kuroshio region leads to summer precipitation anomaly over the Yangtze River valleys by modifying atmospheric general circulation over eastern Asia and middle-high latitude. West Pacific subtropical high is notably affected by preceding spring SSTA over the middle and east of Equator Pacific; SSTA of the central region of middle latitude in the corresponding period causes the summer rainfall anomaly over eastern China so as to trigger the atmospheric Eurasia-Pacific teleconnection pattern. |
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| Keywords: | Pacific SSTA eastern China summer precipitation numerical simulations |
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