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Impacts of the Zonal Position of the East Asian Westerly Jet Core on Precipitation Distribution During Meiyu of China
Authors:DU Yin  ZHANG Yaocun  XIE Zhiqing
Affiliation:Key Laboratory of Meteorological Disaster/MOE, and Nanjing University of Information Science & Technology, Nanjing 210044;School of Atmospheric Sciences, Nanjing University, Nanjing 210093;Institute of Meteorological Sciences of Jiangsu Province, Nanjing 210008
Abstract:The east-west location change of the East Asian westerly jet (EAWJ) at 200 hPa during Meiyu and the associated spatial distribution variation of precipitation in the middle-lower reaches of the Yangtze River (MLYR) are investigated by using the 40-yr NCEP/NCAR (National Centers for Environmental Prediction/National Center for Atmospheric Research) pentad mean reanalysis data and daily precipitation observation data from 1958 to 1997. The results show that there are two areas over which the 200-hPa EAWJ cent...
Keywords:East Asian westerly jet (EAWJ)  zonal location change of the westerly jet core  precipitation distribution  Meiyu
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