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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]
Floodplain restoration can also increase biodiversity by creating new or restoring degraded habitat and encourage growth of native species. [7] [8] Methods of wetland restoration in the floodplain, can help better water quality. [9] Reconnecting rivers to their floodplains promotes carbon storage in soil and regulates processes within soil. [8]
The map to the right shows a flood map for the City of York, including the floodplain for a 1 in 100-year flood (dark blue), the predicted floodplain for a 1 in 1000 year flood (light blue) and low-lying areas in need of flood defence (purple). The most sustainable way of reducing risk is to prevent further development in flood-prone areas and ...
The weather service's Wilmington office forecasts minor flooding from the Ohio River. The warning is in effect from Sunday morning to 2 a.m. on Tuesday. According to weather service data, the ...
As cleanup efforts continue in the wake of deadly and catastrophic flooding that struck Kentucky in late July, leaving many without power or running water, rounds of downpours are expected to move ...
Congress also approved a flood insurance act, making cities that adopt floodplain maps and restrict development in those areas eligible for insurance; Columbus joined the program in 1971. In 1983, FEMA created a map designating nearly all of Franklinton as a floodplain, and thus Columbus City Council severely restricted new construction in the ...
The flood made national news, worrying parents and relatives who were tuning in. Students were also seen diving off the balcony in front of Brown Hall, and out dorm windows on the West Green. It was reportedly the worst flood in fifty-five years, and caused $8.9 million in damage to Athens county, and $750,000 to Ohio Universities campus. [10]
A river terrace is the remains of an old floodplain at a higher elevation than the present one. It typically results from river rejuvenation with further rejuvenation able to form new terraces, resulting in a step like profile around a river.