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A floodplain or flood plain or bottomlands [1] is an area of land adjacent to a river. Floodplains stretch from the banks of a river channel to the base of the enclosing valley, and experience flooding during periods of high discharge. [2] The soils usually consist of clays, silts, sands, and gravels deposited during floods. [3]
These can involve policies that reduces the amount of urban structures built around floodplains or flood prone areas through land zoning regulations. [58] [19] This helps to reduce the amount of mitigation needed to protect humans and buildings from flooding events. Similarly, flood warning systems are important for reducing risks. [58]
In the United States, the Association of State Floodplain Managers works to promote education, policies, and activities that mitigate current and future losses, costs, and human suffering caused by flooding and to protect the natural and beneficial functions of floodplains – all without causing adverse impacts. [58]
Netherlands: The Netherlands is known for its integrated approach to water management, including flood protection. The country employs a combination of dikes, polders, floodplains, and adaptive strategies to manage flood risk. Initially, polders had primarily agricultural function, contributing to agricultural production.
[citation needed] In southern Ghana in the Lower Pra River Basin, the percentage of runoff change, which is linked to human activity is approximately up to 66%. [11] Human presence and infrastructure has benefited from river management, by changing and straightening rivers to make the valuable land around them more live-able. [12]
A rare level 4 of 4 high risk of flooding rainfall is in place for more than 1.5 million people in parts of northwestern Tennessee and western Kentucky where “life-threatening and significant ...
The 1954 Yangtze River floods killed 33,000 people and displaced 18 million people from their homes. In 1998 a flood killed 4000 people and 180 million people were affected. The flooding of the reservoir caused over a million people to relocate, then a flood in August 2009 was completely captured by the new reservoir, protecting hundreds of ...
“Some people have a tendency to have a thought become what’s called sticky or obsessive,” Saltz added. “They don’t like the thought, but it sticks in their mind, and they can’t really ...