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1.	Write short notes on:Ocean Currents in the Indian Ocean.
Answer» 1. The system of the ocean currents in the Indian Ocean is highly influenced by shape of its coastline, its extent, and the peculiar arrangement of the wind system that prevails in the region. 2. It has the equatorial currents but the north equatorial current is weaker than the south equatorial current. 3. North of the equator, the currents are influenced by the seasonally reversing monsoon wind system. 4. The current system in the southern part of the Indian Ocean leads to development of a large gyre. 5. South equatorial current flowing east to west direction under the influence of easterlies. 6. The ‘West Wind Drift’ flowing from west to east under the influence of westerlies. 7. The circulation is completed in the west by Mozambique-Agulhas currents and in the east by West Australian current. It is considered to be one of the major gyres on global scale. 8. In the northern portion of the Indian Ocean, seasonal Monsoonal winds drive the currents. Mostly, these currents follow along the coastlines. 9. During summer, they follow in the clockwise direction and during winter, their direction shows a complete reversal and they flow in the anticlockwise direction.

Write short notes on:Ocean Currents in the Indian Ocean.

Answer»

1. The system of the ocean currents in the Indian Ocean is highly influenced by shape of its coastline, its extent, and the peculiar arrangement of the wind system that prevails in the region.

2. It has the equatorial currents but the north equatorial current is weaker than the south equatorial current.

3. North of the equator, the currents are influenced by the seasonally reversing monsoon wind system.

4. The current system in the southern part of the Indian Ocean leads to development of a large gyre.

5. South equatorial current flowing east to west direction under the influence of easterlies.

6. The ‘West Wind Drift’ flowing from west to east under the influence of westerlies.

7. The circulation is completed in the west by Mozambique-Agulhas currents and in the east by West Australian current. It is considered to be one of the major gyres on global scale.

8. In the northern portion of the Indian Ocean, seasonal Monsoonal winds drive the currents. Mostly, these currents follow along the coastlines.

9. During summer, they follow in the clockwise direction and during winter, their direction shows a complete reversal and they flow in the anticlockwise direction.

Discussion

2.	Write short notes on:The width of continental shelf in the Bay of Bengal and the Arabian Sea.
Answer» The continental shelf in the Bay of Bengal is narrow but the continental shelf in the Arabian sea is very wide. The river which bring sediments to the continental shelf of the Arabian Sea are short and swift. Therefore, the sediments in the river are deposited in the Continental shelf. The rivers which bring sediments to the continental shelf of the Bay of Bengal are long, sluggish and voluminous, therefore sediments are deposited in deltas and not in the continental shelf. There are a greater number of estuaries along the coastline of Arabian sea. There are a greater number of deltas along the coastline of the Bay of Bengal.

Write short notes on:The width of continental shelf in the Bay of Bengal and the Arabian Sea.

Answer»

The continental shelf in the Bay of Bengal is narrow but the continental shelf in the Arabian sea is very wide.

The river which bring sediments to the continental shelf of the Arabian Sea are short and swift. Therefore, the sediments in the river are deposited in the Continental shelf. The rivers which bring sediments to the continental shelf of the Bay of Bengal are long, sluggish and voluminous, therefore sediments are deposited in deltas and not in the continental shelf.

There are a greater number of estuaries along the coastline of Arabian sea. There are a greater number of deltas along the coastline of the Bay of Bengal.

Discussion