In the Brahmaputra river basin, floods are almost an annual feature. Give two reasons to explain why. -Geography

In the Brahmaputra river basin, floods are almost an annual feature. Give two reasons to explain why. -Geography
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1 Answer

Answer :

The cause of floods in this river basin is heavy rainfall of around 250 cms at the time of rainy season. Besides, due to formation of silt by the river Brahmaputra along with its tributaries, the water cannot pass through and thus floods take place. Along with this, due to earthquakes, the water level varies and due to this hindrance in the level of water inundation takes in a lot of areas. Also, landslides occur frequently and the big rock mass which falls, creates a temporary dam. The adjoining areas are covered underwater and in course of time it vents due to water pressure resulting in a lot of areas getting flooded.
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