AN EMPIRICAL ORTHOGONAL FUNCTION ANALYSIS FOR THE WAVE TRAINS IN EAST ASIAN SUMMER |
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| Authors: | WANG Ya-fei HE Jin-hai LI Yan and ZHU Li-juan |
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| Institution: | 1. State Key Laboratory of Severe Weather Chinese Academy of Meteorological Sciences,Beijing 100081 China
2. Nanjing University of Information Science & Technology,Nanjing 210044 China |
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| Abstract: | This study examines the wave trains at 500 hPa occurring in East Asian summer by using the Empirical Orthogonal Function (EOF) analysis as a diagnostic tool.The results are summarized as follows: (1) A wave train pattern (OKJ pattern) originating from the upstream areas of the Sea of Okhotsk to the subtropical regions could display its strong signal in early and middle summer.The OKJ pattern is clearly recognized in the first EOF component in Eurasia.(2) The other wave train pattern originating from the Phi... |
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| Keywords: | wave trains East Asian summer EOF analysis teleconnection 500 hPa |
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