期刊
GEOPHYSICAL RESEARCH LETTERS
卷 35, 期 8, 页码 -出版社
AMER GEOPHYSICAL UNION
DOI: 10.1029/2008GL033394
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资金
- Natural Environment Research Council [ncas10009] Funding Source: researchfish
This study investigates the change of the El Nino-Southern Oscillation (ENSO)-South Asian summer monsoon interaction in response to a weakened Atlantic thermohaline circulation (THC) by applying an additional freshwater flux into the North Atlantic. The simulated results indicate that the weakened THC leads to intensified ENSO-South Asian summer monsoon relationship and enhanced South Asian summer monsoon interannual variability. Furthermore, it is suggested that this intensification of the ENSO-monsoon relationship is likely due to the enhanced ENSO variability induced by the weakened THC. This study indicates that the low frequency fluctuation of Atlantic SSTs might have an influence on South Asian summer monsoon interannual variability and the ENSO-monsoon interaction, and suggests a nonlocal mechanism for the observed decadal-multidecadal modulation of ENSO-monsoon relationship.
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