The bay of Bengal has low salinity than the Arabian Sea because ........

Geography India - Water bodies

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The bay of Bengal has low salinity than the Arabian Sea because

River discharge in Arabian Sea is high

Arabian sea is surrounded by landmass

River discharge in Bay of Bengal is high

Bay of Bengal is surrounded by landmass

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Explanation:

Salinity near the surface in the northern Bay of Bengal is low because the bay receives lots of freshwater in the form of rain and from runoff of surrounding rivers (Ganga, Brahmaputra, Irrawaddy, Godavari, and others). Salinity near the surface in the Arabian Sea is much higher than in the Bay of Bengal because evaporation over the Arabian Sea is much greater and it receives relatively less river runoff.