Q. Which of the following climatic regions are correctly matched as per Koppen’s classification for India?
1.Am – Tropical monsoon (Western Coast of India)
2.Aw – Tropical wet and dry (Central India)
3.Cwg – Humid subtropical with dry winters (Himalayan Foothills)
Quarterly-SFG-Jan-to-March
Red Book

[A] 1 and 2 only

[B] 1 and 3

[C] 2 and 3 only

[D] 1, 2 and 3 only

Answer: D
Notes:

Explanation:

  • Am – Tropical Monsoon (Western Coast of India): The Am climate is characterized by high temperatures throughout the year and heavy seasonal rainfall due to the southwest monsoon.
    • Western coast of India, particularly the Konkan coast, Goa, Kerala, and coastal Karnataka, receives very high rainfall (>200 cm annually).
  • Aw – Tropical Wet and Dry / Tropical Savanna (Central India): The Aw climate is characterized by distinct wet and dry seasons, high temperatures year-round, but with marked seasonality in rainfall.
    • Central India, including areas like Madhya Pradesh, parts of Maharashtra, Chhattisgarh, and eastern Karnataka, shows this pattern. These regions receive rainfall mainly during the monsoon and have dry winters.
  • Cwg – Humid Subtropical with Dry Winters (Himalayan Foothills): The Cwg climate is characterized by moderate to cool winters and hot summers and dry winters. Most of the precipitation is received during the summer monsoon.
    • It is found in the northern plains and Himalayan foothills, including Delhi, parts of Uttar Pradesh, Bihar, and Uttarakhand. These regions fit the Cwg type due to winter dryness and summer rainfall.

Source: India Physical Environment (Class 11th NCERT)


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