Geography • Physical GeographyHard
What is the primary atmospheric phenomenon responsible for the formation of a rain shadow effect on the leeward side of major mountain ranges?
A. Adiabatic warming of descending air masses✓ Correct Answer
B. Radiation cooling of high-altitude plateaus
C. Convergence of polar front jet streams
D. Sub-polar low pressure intensification
💡 Solution & Explanation
The rain shadow effect on the leeward side of a mountain range is primarily caused by the adiabatic warming of descending air masses, which increases their moisture-holding capacity and prevents condensation. As air rises on the windward side, cooling and precipitation exhaust its moisture content, leaving dry air to descend and compress on the opposite side. Understanding this thermodynamic process is essential for analyzing regional precipitation patterns and arid zones across India.
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