Coast sea level and Asian monsoon system a downscaling exercise for Chinese coast |
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| Authors: | Cui Mao-chang Lian Shu-min Yang Dong-fang Eduardo Zorita |
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| Institution: | (1) Institute of Oceanology, Chinese Academy of Sciences, 266071 Qingdao;(2) Institute of Hydrophysics, GKSS Research Centre, Germany |
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| Abstract: | In this study, the authors examined the relationship between monthly sea level data and concurrent large-scale monthly mean
sea level pressure and SST data for 1960 to 1990, which are reasonably well simulated by present day climate models; sea level
variations due to variations of regional atmospheric forcing and oceanic circulation, are not adequately simulated by a global
climate model because of insufficient spatial resolution. The authours applied a statistical “down scaling” strategy to sea
level along the Chinese coast. Two interrelated processes were identified: one process is the local wind or wave set-up of
water due to Asian monsoon wind anomalies; the other is the rainfall diluting effect in spring. At interdecadal time scale,
the later becomes more important and most likely plays a major role in the planetary scale atmosphere-ocean interaction taking
place in the eastern North Pacific.
Contribution No. 3236 from the Institute of Oceanology, Chinese Academy of Sciences.
Key project 39630060 and Project 49476274 supported by NSFC, and also supported by president's fund of Chinese Academy of
Sciences. |
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| Keywords: | sea level Chinese coast downscaling East Asian monsoon |
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