Geography
Give reasons for the following:
- Mumbai gets more rainfall than Pune
- The moisture laden winds passing over Rajasthan do not saturate.
- S.W. monsoon withdraws from India in October/November.
Climate
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Answer
- Mumbai is located on the western coast of India, while Pune is located further inland. The Western Ghats obstruct the South West Monsoon winds. Mumbai lies on the windward side of Western Ghats and receives heavy rainfall from South West Monsoon. Pune lies on the leeward side of Western Ghats and hence, receives very less rainfall.
- The moisture laden winds passing over Rajasthan do not saturate because the heat in the desert region increases their capacity to hold moisture.
- By 1st September, with the apparent movement of the sun towards south, the low pressure in central India starts weakening, and is no longer able to attract the monsoon winds towards land. During Autumn equinox when the sun shines directly over Equator, the high pressure begins to build over mainland and subsequently with low pressure over the sea, S.W. monsoon withdraws from India in October/November.
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Related Questions
Give reasons :
- In spite of the Aravalis many parts of Rajasthan do not receive much rain.
- The Malabar coast has less rainy months but receives more rain than Coromandal Coast.
- Punjab has three sources of rain.
- Mawsynram receives more rain than Shillong.
Explain how is the winter rain caused. How is this rain beneficial?
Refer to the Data of Chennai, Pune, New Delhi and Kolkata to answer this question.
Answer the following questions:
- Calculate the annual range of temperature.
- What is the total rainfall experienced by the station?
- When does the station receive maximum rainfall? State a reason for your answer.
Station Altitude in
MetreJ F M A M J J A S O N D Pune 559 T°C 21 22.6 26.3 29.2 29.7 27.5 25.1 24.5 24.8 25.5 22.5 20.5 R cms 0.15 0.15 0.15 1.5 2.7 11.4 16.7 9.0 13.4 9.0 2.7 0.3 Mumbai T 24.4 24.4 26.7 28.3 30.0 28.9 27.2 27.2 27.2 28.3 27.2 25.0 R 0.25 0.25 — — 1.75 50.2 61.0 37.0 27.0 4.75 1.00 — Mangaluru 22 T 26.5 26.8 28.1 29.2 29.2 26.5 26.1 26.1 26.3 26.8 27.0 26.7 R 0.28 0.18 0.52 2.89 15.7 94.18 98.8 59.74 26.62 20.7 7.24 1.29 Madurai 133 T 25.0 26.5 28.7 30.6 21.2 20.08 20.2 29.08 29.02 28.0 26.4 25.2 R 1.97 1.24 1.77 5.48 6.95 2.98 4.94 16.2 11.9 18.8 14.5 5.1 Chennai T 24.5 26 28 30 32 32.5 30.7 30 29.7 28 26 24.6 R 2.8 0.7 0.7 1.5 4.5 5.1 9.5 11.3 12.4 28.1 34.5 13.6 Srinagar 1586 T 0.3 2.6 8.3 13.1 17.7 21.9 24.4 23.8 20.2 14.0 8.1 3.3 R 7.39 7.1 9.17 9.27 1.65 3.56 5.92 6.15 3.89 2.97 1.12 3.35 New Delhi 216 T 13.8 16.6 21.6 27.8 33.2 33.6 30.9 29.8 29.2 25.7 19.7 15.2 R 2.5 2.1 1.3 0.8 1.3 7.7 17.9 18.4 12.3 1.0 0.2 1.0 Kolkata 6 T 19.4 21.7 26.7 29.4 30.6 29.4 28.9 28.3 28.3 27.2 22.8 19.4 R 0.7 2.8 3.6 4.8 14.5 30.2 31.8 32.3 25.1 10.6 1.8 0.4 Ahmedabad 50 T 21.7 23.3 27.9 31.7 33.9 33 29.8 28.5 29 29.4 26.2 22.7 R 0.15 0.2 0.13 0.13 0.99 9.3 31 20.4 106 0.89 0.36 0.1 Answer in one word :
- Withdrawal of SW monsoon.
- Low pressure depressions during winter in North West India.
- Land and sea breeze on a large scale.