| The Dynamic Concept of Monsoon was pro-pounded by Flohn in 1951, based on the dynamic origin of monsoon. According to this theory the existence of monsoon is by |
| (i) The temperature contrasts between land and sea |
| (ii) The annual migration of the thermally produced planetary winds and pressure belts |
| Which of the statements given above is/are correct in this context? |
A) i only
B) ii only
C) Both i and ii
D) neither i nor ii
Correct Answer: B
Solution :
Dynamic Concept: Propounded by Flohn (1951) and based on the dynamic origin of monsoons. According to him, monsoon is the seasonal migration of planetary winds and pressure belts following the sun. Over the land the annual temperature changes are relatively larger because of which the seasonal shift of temperature and pressure belts amount to many degrees. Due to the shifting, major part of the Indian subcontinent comes under impact of Equatorial Western lies. During winter due to southward shifting of pressure and wind belt the planetary system of northeast trade winds is established over the region. Hence this theory explains the existence of monsoon not by the temperature contrasts between land and sea but by the annual migration of thermally produced planetary winds and pressure belts.
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