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A flood is an overflow of water on normally dry ground due. This is most commonly to an overflowing river, a dam break, snowmelt, or heavy rainfall. Less commonly happening are tsunamis, storm surge, or coastal flooding.

The most deadly flooding was in 1931 in China and killed between 2,000,000 and 4,000,000 people.[1] The Kerala flood in India was another flood that has destroyed people's houses.

During a flood, people try to move themselves and their most precious belongings to higher ground quickly. The process of leaving homes in search of a safe place is called flood evacuation.

Pollution of drinking water[change | change source]

Autumn Mediterranean flooding in Alicante, Spain, September of 1997

During a flood there is plenty of water logging and overflow of water, but it is mostly polluted and not safe to drink. If people drink this dirty water, they may suffer from diseases such as typhoid and cholera, hepatitis and other such diseases. People can get ready to survive a flood by filling many containers with fresh and clean drinking water and storing other emergency supplies; like: medicine and food. During flood people try to go to higher sides because the flood water wouldn't reach high areas or places at higher elevation. Also drains overflow and mix with clean water and people who drink it and fall ill.

Causes of floods[change | change source]

Flooding is usually caused when a volume of water within a water body, such as a lake, overflowins outside it. Sometimes if a dam breaks, it suddenly releases a large amount of water. The result is that some of the water travels to land, and 'floods' the area. Many rivers are in a channel, between river banks. They flood when the strength of the river causes it to flow beyond the banks. This is more common at bends or meanders. Flood damage can be prevented by moving away from places that flood. However, people have long liked to have their homes and businesses alongside water because water is good for agriculture and transport and in other ways. Floods are also caused due to improper management of drains. Rainfall is the most common cause. Snow melt is also a cause of flooding. Tsunamis and Storm Surge are less common ways that floods happen. Coastal Flooding is another common cause of flooding, and this is caused by low pressure systems or storms.

19 August 2017 Flood in Mithila[change | change source]

In August 2017, North Bihar was suffering a flood, which killed hundreds, many were left hungry and homeless and millions were affected. The road-embankment collapsed houses, closed the school hospital and spread diseases. Mithila Student Union members (MSU) reached villages, coordinating and donating food and other necessary items in the Darbhanga-Madhubani-Saharsa-Sitamarhi districts of Bihar. /Mithila_Student_Union started a social media campaign with hashtag #MSUwithU to collect funds online and a ground Bhikshatana was done for this purpose. This campaign brought a new face to Mithila_Student_Union. More than 200 Active members in 6 districts were on the ground, divided into 16 teams to distribute relief packages, medicines, milk, clothes and other items. Mithila_Student_Union units started 6 base camps where food items were made, packaged and divided for further distribution. They started medical camps and provided active support to government officials. They raised flood-aid funds, and collected many food-items and other essential articles. Afterwards,

References[change | change source]

  1. O'Connor, Jim E. and John E. Costa. 2004. The world's largest floods, past and present: their causes and magnitudes [Circular 1254]. Washington, D.C.: U.S. Department of the Interior, U.S. Geological Survey.

Other page[change | change source]

  • Mithila Student Union