publication . Article . 2000

Interannual and Interdecadal Variations of the East Asian Summer Monsoon and Tropical Pacific SSTs. Part I: Roles of the Subtropical Ridge

C-P. Chang; Yongsheng Zhang; Tim Li;
Open Access
  • Published: 01 Dec 2000
The interannual relationship between the East Asian summer monsoon and the tropical Pacific SSTs is studied using rainfall data in the Yangtze River Valley and the NCEP reanalysis for 1951–96. The datasets are also partitioned into two periods, 1951–77 and 1978–96, to study the interdecadal variations of this relationship. A wet summer monsoon is preceded by a warm equatorial eastern Pacific in the previous winter and followed by a cold equatorial eastern Pacific in the following fall. This relationship involves primarily the rainfall during the pre-Mei-yu/Mei-yu season (May–June) but not the post-Mei-yu season (July–August). In a wet monsoon year, the western N...
free text keywords: Monsoon, Geology, North Pacific High, Anticyclone, Oceanography, Subtropical ridge, Walker circulation, East Asian Monsoon, Atmospheric circulation, Climatology, Hadley cell
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