Discuss the mechanism of monsoon.
Answers
Answer: Mechanism of Monsoon involves the following concept: The phenomena of monsoon refer to the seasonal reversal of winds. It is because while the South West Monsoon winds blow from sea to land at the end of the summer season, the North east winds blow from land to sea during the winter season
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Answer:
The monsoons are experienced in the tropical area roughly between 200N and 200S. The mechanism of the monsoons can be understood from following facts ::
(a) The differential heating and cooling of land and water creates low pressure on the landmass of India while the seas around experience comparatively high pressure.
(b) The shift of the position of Inter Tropical Convergence Zone (ITCZ) in summer, over the Ganga plain (this is the equatorial trough normally positioned about 50N of the equator also known as the monsoon- trough during the monsoon season).
(c) The presence of the high-pressure area, east of Madagascar, approximately at 200S over the Indian Ocean. The intensity and position of this high-pressure area affects the Indian Monsoon.
(d) The Tibetan plateau gets intensely heated during summer, which results in strong vertical air currents and the formation of high pressure over the plateau at about 9 km above sea level.
(e) The movement of the westerly jet stream to the north of the Himalayas and the presence of the tropical easterly jet stream over the Indian peninsula during summer.
Explanation: