Sea surface temperature associations with the late Indian summer monsoon

被引:0
作者
P. Terray
P. Delecluse
S. Labattu
L. Terray
机构
[1] Laboratoire d’Océanographie Dynamique et de Climatologie,
[2] Paris,undefined
[3] France,undefined
[4] Université Paris 7,undefined
[5] Paris,undefined
[6] France,undefined
[7] CERFACS,undefined
[8] Toulouse,undefined
[9] France,undefined
来源
Climate Dynamics | 2003年 / 21卷
关键词
Indian Summer Monsoon; Indian Summer Monsoon Rainfall; Southern Indian Ocean; Indian Summer Monsoon Onset; Western North Pacific Summer Monsoon;
D O I
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中图分类号
学科分类号
摘要
Recent gridded and historical data are used in order to assess the relationships between interannual variability of the Indian summer monsoon (ISM) and sea surface temperature (SST) anomaly patterns over the Indian and Pacific oceans. Interannual variability of ISM rainfall and dynamical indices for the traditional summer monsoon season (June–September) are strongly influenced by rainfall and circulation anomalies observed during August and September, or the late Indian summer monsoon (LISM). Anomalous monsoons are linked to well-defined LISM rainfall and large-scale circulation anomalies. The east-west Walker and local Hadley circulations fluctuate during the LISM of anomalous ISM years. LISM circulation is weakened and shifted eastward during weak ISM years. Therefore, we focus on the predictability of the LISM.
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页码:593 / 618
页数:25
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