Table of Contents
What are the main reasons of floods?
Causes of Floods
- Massive Rainfall. Drainage systems and the effective infrastructure design aid during heavy rains.
- Overflowing of the Rivers.
- Collapsed Dams.
- Snowmelt.
- Deforestation.
- Climate change.
- Emission of Greenhouse Gases.
- Other Factors.
When did Chennai floods start?
2015 South India floods
| Submerged bridges in Chennai | |
|---|---|
| Date | 8 November 2015 – 14 December 2015 |
| Location | South India (Tamil Nadu, Puducherry, Andhra Pradesh) |
| Deaths | 500+ Tamil Nadu: 422 (official, likely more) Andhra Pradesh: 81 Puducherry: 3 |
How do floods affect people?
People affected by flooding may experience a range of emotions, including anxiety, fear, anger, frustration, sadness and grief. It is natural for people who experience traumatic events, such as flooding, to experience difficulty sleeping, loss of appetite, depressed or angry moods and heightened feelings of anxiety.
What is flood in BYJU’s?
A flood is an overflow of water on land. Sometimes a river might receive extra water, either from heavy rains or other natural disasters. When this happens, the water overflows from its normal path in the river bed and onto the dry land.
What caused the floods in Chennai in 2015?
Chennai downed in 2015 due to the release of 29,000 cusecs of water as the Central Water Commission norms were not abided by Water Resources Department. The department wanted to protect a private patta land in the water spread area from getting submerged, according to a Comptroller and Auditor General (CAG) of India report.
Is Chennai man-made or natural disaster?
Chennai is a victim of man-made disaster. Its soil and rock types suggest that the city is historically a flood plain, says Chennai-based research Institute, Care Earth. The city is dotted with wetlands and natural channels where excess water from the city that is essentially a very flat area can be drained off.
What is the main cause of groundwater pollution in Chennai?
Moreover, the groundwater is highly polluted due to unplanned solid waste dumping; the effluents leached from these solid heaps and contaminated the groundwater. The recharge structures like lakes, tanks, ponds and other wetlands in the city have been disregarded and the natural course of water has been tampered.
What are the three rivers that flow through Chennai?
Three main rivers flow through Chennai namely Kuvam, Adyar and Kosastha Talayar. These three rivers play a major role in moving the flood water into Bay of Bengal. These river banks were occupied by occupants which eventually has narrowed the river flow.