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A flood insurance rate map (FIRM) is an official map of a community within the United States that displays the floodplains, more explicitly special hazard areas and risk premium zones, as delineated by the Federal Emergency Management Agency (FEMA). [1]
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 ]
However, flood control did not seem to be considered a serious problem until Tulsa's population growth spilled out into the Bird Creek watershed east and north of downtown Tulsa. The city issued its first land-use plan after a serious flood along the Arkansas River in 1923, but this plan was aimed more at preventing flooding along the Arkansas ...
The North Canadian River is a river, 440 miles (710 km) long, [4] in Oklahoma in the United States. It is a tributary of the Canadian River, draining an area of 17,955 square miles (46,500 km 2) [5] in a watershed that includes parts of northeastern New Mexico and the Texas Panhandle.
A 100-year flood is a flood event that has on average a 1 in 100 chance (1% probability) of being equaled or exceeded in any given year. [1] A 100-year flood is also referred to as a 1% flood. [2] For coastal or lake flooding, a 100-year flood is generally expressed as a flood elevation or depth, and may include wave effects. For river systems ...
In Oklahoma, Indigenous communities are the most likely to be at risk of flooding, with one recent study showing the danger increases by more than five times when compared to surrounding areas ...
Tulsa's government responded to the 1970 flood by joining the "emergency program" of the National Flood Insurance Program (NFIP) and promising to adopt federal floodplain regulations. In August 1971, NFIP issued its block rate maps. A month later, on Labor Day, Flat Rock, Bird and Haikey creeks flooded, affecting many suburban communities.
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