Solar heat is unequally distributed on the surface of the earth. Ocean transportation plays an important role in transmitting heat towards the higher latitudes from the equator, like atmospheric transportation.
Interestingly, the Bay of Bengal and the Arabian Sea are at the same latitude, but the Bay of Bengal is warmer than the Arabian Sea. Why is the Arabian sea calm and cool?
Yes, the Arabian sea is cool because of the higher level of the ocean and atmospheric transport mediated by strong winds. Strong winds are formed because of the mountains in East Africa, they can transport ocean heat to higher latitudes. But the winds formed in the Bay of Bengal are sluggish, and the bay becomes warmer, thus navigators say the Bay of Bengal is an “Unpredictable lady” and the Arabian sea as “Gentleman”.
In recent decades, the Arabian sea has been warmer. So, what happens?
The Arabian Sea has caused intense bursts of monsoons over India in the last two to three years. Last year the northern Arabian sea was up to 2-3 degrees warmer than usual, thus causing several monsoon sprouts over the northwest. Floods and landslides have occurred in recent years in Kerala, also connected with the Arabian sea.
Why does the Arabian sea become hot?
We can blame climate change as a famous bandwagon. Yes, the Arabian sea, failed to transport its heat to higher latitudes, which may be due to decreasing strength of winds that changes oceanic circulation. We can monitor this phenomenon, but what we can do is a question.
Sileesh Mullasseri
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