Q. Consider the following statements:
1.Snow persistence refers to the fraction of time snow remains on the ground.
2.Western disturbances are high-pressure systems originating from the Mediterranean, Caspian, and Black Seas, bringing heat to the Hindu Kush Himalayas region in summer.
Which of the statement(s) given above is/are correct?
Answer: A
Notes:
Explanation –
Statement 1 is correct. Snow persistence indeed refers to the fraction of time snow remains on the ground. Snowmelt contributes 23% of the total water flow in the 12 major river basins originating from the HKH mountains.
Statement 2 is incorrect. Western disturbances are low-pressure systems originating from the Mediterranean, Caspian, and Black Seas, and they bring rain and snow to the Hindu Kush Himalayas region in winter.
Source: The Hindu
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