Find out why the great Indian desert and the reason to the east of the best Gangadhar open said to be the rain Shadow region
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Let us first know the basic thing that if there should be any precipitation there are two situations where precipitation occurs.
When there is an excess moisture in cloud that cloud cannot hold it further.
Sudden upliftment of cloud with same moisture. As cloud moves suddenly upwards it looses it moisture holding capacity. This happens in Windward side of mountain(see image in first picture )
In same below image if we see windward side winds are suddenly moved upwards.(second picture).
coming to Aravali Range, Rajasthan.(3rd picture).
Image: See Aravalli Range in above image are parallel to the winds direction.
These Aravalli range are not blocking winds which carry moisture. They are parallel to the direction of cloud movement, so they there is no upliftment of clouds carrying moisture, so there are very little rains in Rajasthan. Thus the deserts are formed.
Hope this helps :)
(plz open full photo)
When there is an excess moisture in cloud that cloud cannot hold it further.
Sudden upliftment of cloud with same moisture. As cloud moves suddenly upwards it looses it moisture holding capacity. This happens in Windward side of mountain(see image in first picture )
In same below image if we see windward side winds are suddenly moved upwards.(second picture).
coming to Aravali Range, Rajasthan.(3rd picture).
Image: See Aravalli Range in above image are parallel to the winds direction.
These Aravalli range are not blocking winds which carry moisture. They are parallel to the direction of cloud movement, so they there is no upliftment of clouds carrying moisture, so there are very little rains in Rajasthan. Thus the deserts are formed.
Hope this helps :)
(plz open full photo)
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