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DOI | 10.1029/2021GL094516 |
Strengthening of basin-scale ocean currents in winter drives decadal salinity decline in the eastern Arabian Sea | |
Midhila Varna; Arvind Singh; Deepika Sahoo; Debasis Sengupta | |
2021-08-06 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2021 |
英文摘要 | Observations show a decreasing trend in sea surface salinity during the winter months in 1990-2010 in the southeastern Arabian Sea. To explain the observed salinity decline, we analyze changes in evaporation and precipitation, surface winds, sea level anomaly and the transport of low-salinity water from the Bay of Bengal to the eastern Arabian Sea via westward flow south of Sri Lanka and a northward coastal current. We find a 2-3 fold increase in the influx of low-salinity water to the eastern Arabian Sea in 1990-2010 associated with strengthening of the Northeast Monsoon Current and the West India Coastal Current. The observed decreasing trend of sea surface salinity in the southeastern Arabian Sea is due to the changes in basin-scale circulation of the northern Indian Ocean in winter. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/335450 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Midhila Varna,Arvind Singh,Deepika Sahoo,et al. Strengthening of basin-scale ocean currents in winter drives decadal salinity decline in the eastern Arabian Sea[J]. Geophysical Research Letters,2021. |
APA | Midhila Varna,Arvind Singh,Deepika Sahoo,&Debasis Sengupta.(2021).Strengthening of basin-scale ocean currents in winter drives decadal salinity decline in the eastern Arabian Sea.Geophysical Research Letters. |
MLA | Midhila Varna,et al."Strengthening of basin-scale ocean currents in winter drives decadal salinity decline in the eastern Arabian Sea".Geophysical Research Letters (2021). |
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