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Q.

Why salinity is lower in the Bay of Bengal than in the Arabian sea?

Tags: environment, bengal, bay
Asked by Riya David, 19 Dec '12 12:07 pm
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Answers (2)

 
1.

The Indian subcontinent divides the north Indian Ocean into two tropical basins, namely the Arabian Sea and the Bay of Bengal. The Arabian Sea has high salinity whereas the salinity of the Bay of Bengal is much lower due to the contrast in freshwater forcing of the two basins. The freshwater received by the Bay in large amounts during the summer monsoon through river discharge is flushed out annually by ocean circulation. After the withdrawal of the summer monsoon, the Ganga Brahmaputra river plume flows first along the Indian coast and then around Sri Lanka into the Arabian Sea creating a low salinity pool in the southeastern Arabian Sea (SEAS). In the same region, during the pre-monsoon months of February April, a warm pool, known as the Arabian Sea Mini Warm Pool (ASMWP), which is distinctly warmer than the rest of the Indian Ocean, takes shape. In fact, this is the warmest region in the world oceans during this period. Simulation of the river plume and its movement as well as its ...more
Answered by aflatoon, 19 Dec '12 12:10 pm

 
  
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2.

River water flow is more than in arabian sea
Answered by manvika, 19 Dec '12 12:07 pm

 
  
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