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DISTRIBUTION OF RAINFALL IN INDIA

DISTRIBUTION OF RAINFALL IN INDIA

  • Parts of western coast and northeastern India receive over about 400 cm of rainfall annually.
  • However, it is less than 60 cm in western Rajasthan and adjoining parts of Gujarat, Haryana and Punjab.
  • Rainfall is equally low in the interior of the Deccan plateau, and east of the Sahyadris.
  • A third area of low precipitation is around Leh in Jammu and Kashmir.
  • The rest of the country receives moderate rainfall while snowfall is restricted to the Himalayan region.
  • Owing to the nature of monsoons, the annual rainfall is highly variable from year to year.
  • Variability is high in the regions of low rainfall such as parts of Rajasthan, Gujarat and the leeward side of the Western Ghats.                DISTRIBUTION OF RAINFALL IN INDIA
  • As such, while areas of high rainfall are liable to be affected by floods, areas of low rainfall are drought-prone.

MONSOON AS A UNIFYING BOND

  • The way the Himalayas protect the subcontinent from extremely cold winds from central Asia.
  • This enables northern India to have uniformly higher temperatures when compared to other areas on the same latitudes. 
  • Similarly, the peninsular plateau, under the influence of the sea from three sides, has moderate temperatures.
  • Despite such moderating influences, there are great variations in the temperature conditions.
  • Nevertheless, the unifying influence of the monsoon on the Indian subcontinent is quite perceptible.
  • The seasonal alteration of the wind systems and the associated weather conditions provide a rhythmic cycle of seasons.          DISTRIBUTION OF RAINFALL IN INDIA
  • Even the uncertainties of rain and uneven distribution are very much typical of the monsoons.
  • The Indian landscape, its animal and plant life, its entire agricultural calendar and the life of the people, including their festivities, revolve around this phenomenon.
  • Year after year, people of India from north to south and from east to west, eagerly await the arrival of the monsoon.          DISTRIBUTION OF RAINFALL IN INDIA
  • These monsoon winds bind the whole country by providing water to set the agricultural activities in motion.
  • The river valleys which carry this water also unite as a single river valley unit.

 

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