| Registro completo |
| Provedor de dados: |
ArchiMer
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| País: |
France
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| Título: |
Impact of barrier layer on winter-spring variability of the southeastern Arabian Sea
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| Autores: |
Masson, S
Luo, Jj
Madec, G
Vialard, Jerome
Durand, F
Gualdi, S
Guilyardi, E
Behera, S
Delecluse, P
Navarra, A
Yamagata, T
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| Data: |
2005-04
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| Ano: |
2005
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| Palavras-chave: |
Summer monsoon season
Surface temperature
Indian ocean
Mixed layer
Northeast monsoon
Southwest monsoon
Onset vortex
Coupled GCM
Mechanisms
Evolution
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| Resumo: |
In the present study, we use a coupled model to evaluate the effect of shallow salinity stratification on the sea surface temperature (SST) and on the monsoon onset in the southeastern Arabian Sea (SEAS). A 100-year control experiment shows that the coupled model reproduces the main climatic features in this region in terms of SST, precipitation and barrier layer (BL). A 100-year sensitivity experiment (where BL effects have been suppressed in the SEAS) shows that BL enhances the spring SST warming by 0.5 degrees C, and leads to a statistically significant increase of precipitation in May (3 mm/day) linked to an early (10 to 15 days) monsoon onset. This suggests that the BL extent may be a useful predictor of the summer monsoon onset in the area with a two-month lead-time. However the effect above is mostly concentrated in the SEAS, and there is no significant impact over continental India.
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| Tipo: |
Text
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| Idioma: |
Inglês
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| Identificador: |
https://archimer.ifremer.fr/doc/00203/31422/29819.pdf
DOI:10.1029/2004GL021980
https://archimer.ifremer.fr/doc/00203/31422/
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| Editor: |
Amer Geophysical Union
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| Formato: |
application/pdf
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| Fonte: |
Geophysical Research Letters (0094-8276) (Amer Geophysical Union), 2005-04 , Vol. 32 , N. 07703 , P. 1-4
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| Direitos: |
Copyright 2005 by the American Geophysical Union.
info:eu-repo/semantics/openAccess
restricted use
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