Answer: Rajasthan gets scanty rainfall because the state lies in the rain shadow region of the Aravali Range . The Aravali Range lie parallel to the Arabian Sea branch of South West Monsoon and do not offer any obstruction to the rain bearing winds.
Why is rainfall low in Rajasthan?
The two main reasons are: And the Arabian sea branch of the monsoon flows parallel to the Aravalli Mountains and reach the northern part of India but does not shed moisture over Rajasthan. ...
What are the reasons for less rainfall in India?
Speaking to The Indian Express, Sabin T P, one of the authors and senior scientist from IITM, said, “One of the main reasons for this decrease in rainfall, particularly during the monsoon, could be the largescale decrease in the moist westerly winds travelling from the Arabian Sea, called monsoon circulations, along ...
Why does Indian desert receives less rainfall?
Thar region gets little rainfall beacuse it lies parallel to the Aravalli ranges. The moisture bearing south west winds runs parallel to the Aravalli range and thus hardly causes any rainfall as the winds do not get obstructed.
What is the root cause of scant rain in Rajasthan?
Detailed Solution. The typical orientation of the Aravalli Range is the root cause of scant rain in Rajasthan. Rajasthan receives scanty rainfall. ... The Bay of Bengal branch of the Indian monsoon loses its moisture by the time it reaches the north-western part of India where Rajasthan is located.
Does Rajasthan get rain?
Rajasthan receives about 91% of its annual rainfall is during the South-West monsoon. Rajasthan receives about 2% share of rainfall during the cold weather season. About 3% during the summer season.
What are the causes of low rainfall?
A lack of water vapour in the atmosphere means there is less precipitation and more chance of drought. High-pressure systems reduce evaporation and moisture in the atmosphere. El Niño – as the surface temperature of the Pacific Ocean around the central South American coast increases, storm patterns are disrupted.
What are main causes of drought?
When rainfall is less than normal for a period of weeks to years, streamflows decline, water levels in lakes and reservoirs fall, and the depth to water in wells increases . If dry weather persists and water-supply problems develop, the dry period can become a drought. Learn more: USGS Drought website.
What are the causes and consequences of drought?
The soil starts drying out and plants die . When this pattern continues for several weeks, months or years, the flow of streams and rivers decreases and water levels in lakes, reservoirs and wells fall. Eventually, the unusual dry weather causes water supply issues, and the dry period becomes a drought.
Why there is no rainfall in desert?
Deserts are areas that receive very little precipitation . ... The amount of evaporation in a desert often greatly exceeds the annual rainfall. In all deserts, there is little water available for plants and other organisms. Deserts are found on every continent and cover about one-fifth of Earth’s land area.
Why is rainfall very scanty?
2. Due to scorching heat as most of the moisture of the winds is evaporated . 3. Less number of trees is also a main cause for scanty rainfall as trees contribute a lot in the water cycle (through transpiration).
Is the wettest place in India?
Wettest – Mawsynram
Located in the East Khasi Hills district of Meghalaya, this village holds the record of being the wettest place in India, with an average rainfall of 11872 mm.
Why is Rajasthan so hot?
Rajasthan is a state where the pressure is very high. ... Moreover, it is near to the equator and Thar desert is in Rajasthan. Thus solar radiations are reached to this region in very high amounts . So it is a very hot region.
Why Patna receives for more rainfall than Delhi?
Patna receives heavier rain than Delhi because Patna is on the eastern side as compared to Delhi and places situated on the eastern side receive more rainfall or heavier rainfall than the places situated on the western side of the country. ... Patna is situated on the bank of a river called Ganga.
Why is Rajasthan a dry area?
The western part of Rajasthan remains almost dry during South-West monsoon season because : (i) The monsoon winds blow from east dropping much of its moisture along the path . When they reach Rajasthan, they are almost dry. ... (iii) The direction of the Aravalli mountains is parallel to the direction of Arabian Sea winds.
Which district has highest rainfall in Rajasthan?
The Meteorological Department (IMD) issued a ‘red alert’, warning of torrential rains in some parts of the state on Monday. It said 240 mm rainfall, the highest in the state, was recorded at Makrana in Nagaur from Saturday to Sunday morning, while Hurda in Bhilwara recorded 215 mm rains.
