Q. 4 A4.0( 30 Votes )

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Describe in brief the changes occurring in the climatic conditions of India while going from south to north.

Answer :

Very cold winds blowing from the north are obstructed by the Himalayas. Similarly, the South–West Monsoons retreat from the Shiwalik and Himachal ranges of the Himalayas. Because of high temperatures in summers, low-pressure areas develop in Punjab plains and the Thar desert of Rajasthan. This attracts winds coming from the high-pressure region in the Indian Ocean which starts blowing towards the mainland of India. These moisture-laden winds bring rainfall. Because of the obstruction caused by the Eastern and Western Ghats, it rains more in the coastal areas. The rainfall reduces in the leeward side of the hills. These winds blow parallel to the Aravalis. As a result, rainfall is low in parts of Gujarat and Rajasthan. Later, these winds move towards the Himalayas. Their moisture- -carrying capacity increases. Orographic type of rainfall occurs because of the natural obstruction of the Himalayas. These winds return from the Himalayan ranges, and their retreating journey starts. While blowing from the north-east towards the Indian Ocean, these winds bring rainfall again to some parts of the Peninsula. This is the Retreating Monsoon season in India. In general, the climate of India is hot throughout the year.

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