Interdecadal sea level variation at the Japanese coast and large scale climate state
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Interdecadal sea level variation at the Japanese coast and large scale climate state
Interdecadal sea level variation at the Japanese coast and large scale climate state
海洋湖沼学报(英文)1995年13卷第4期 页码:303-309
Affiliations:
Institute of Oceanology
Author bio:
Funds:
Contribution No. 2685 from the Institute of Oceanology, Chinese Academy of Sciences.;This project was supported by the Director’s funds of the Chinese Academy of Sciences.
Interdecadal sea level variation at the Japanese coast and large scale climate state[J]. 海洋湖沼学报(英文), 1995,13(4):303-309.
Mao-chang, C. Interdecadal sea level variation at the Japanese coast and large scale climate state., Chin. J. Ocean. Limnol. 13, 303–309 (1995). https://doi.org/10.1007/BF02889463
Interdecadal sea level variation at the Japanese coast and large scale climate state[J]. 海洋湖沼学报(英文), 1995,13(4):303-309. DOI: 10.1007/BF02889463.
Mao-chang, C. Interdecadal sea level variation at the Japanese coast and large scale climate state., Chin. J. Ocean. Limnol. 13, 303–309 (1995). https://doi.org/10.1007/BF02889463DOI:
Interdecadal sea level variation at the Japanese coast and large scale climate state
摘要
Abstract
Thirty years of monthly mean anomalies of sea level (SL) at 15 Japanese coastal stations
sea surface temperature (SST) and sea level pressure (SLP) in or over the northern Pacific were analyzed by canonical correlation analysis (CCA) to study the relationship between the interdecadal SL variation and large scale climate state. Given two time-varying fields this technique identifies the pair of spacial patterns with optimally correlated time series. The results show that there are two important air-sea interactive processes in the extratropical Pacific region for the variation of the SL at the Japanese coast on interdecadal scale. One is the ocean heating or cooling of the atmosphere over the Kuroshio extension region
which results in a huge SLP anomalous vortex with planetary spacial scale big enough to change the global climate. Another is the large Kuroshio meander phenomenon controlled by the large-scale wind-stress curls one year earlier in the adjacent region of the Hawaiian Islands. The first process implies the heat stored in the ocean has a role in changing the climate. This hypothesis needs proof by air-sea coupled climate modelling in the near future.
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Keywords
references
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