Structure of South Asia High in the stratosphere and influence of ENSO |
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Authors: | LI Chong-yin LI Lin and TAN Yan-ke |
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Institution: | 1. Institute of Meteorology,PLA University of Science & Technology,Nanjing 211101 China;Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029 China 2. Institute of Meteorology,PLA University of Science & Technology,Nanjing 211101 China |
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Abstract: | The structure of the South Asia High(SAH)in the stratosphere and the influence of ENSO on the SAH are systematically investigated with the long-term ECMWF reanalysis data.The results show that the SAH only exists in low levels of the stratosphere.The maximum intensity of the High is located at around 150 hPa and there is no obvious anti-cyclonic structure above 50 hPa.The axis of the SAH center tends to be northwest slanting from lower levels to higher levels.Further analyses show that the geopotential heig... |
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Keywords: | SAH structure feature ENSO influence |
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