Ad
related to: diagram of a flood plain form of address based on area
Search results
Results from the WOW.Com Content Network
These FIRMs are used in identifying whether a land or building is in flood zone and, if so, which of the different flood zones are in effect. In 2004, FEMA began a project to update and digitize the flood plain maps at a yearly cost of $200 million. The new maps usually take around 18 months to go from a preliminary release to the final product.
A Special Flood Hazard Area (SFHA) is an area identified by the United States Federal Emergency Management Agency (FEMA) as an area with a special flood or mudflow, and/or flood related erosion hazard, as shown on a flood hazard boundary map or flood insurance rate map. [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] The soils usually consist of clays, silts, sands, and gravels deposited during floods. [3]
A flood zone is a geographic area that the Federal Emergency Management Agency (FEMA) has defined according to its level of flooding risk. ... Center and search using the property’s address ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
I created this sketch to show how a floodplain consists of floodway and flood fringe. This also shows how portions of hillsides can be part of the floodplain. This also shows the difference in impact of fill in flood fringe versus fill in floodway.
The flood stage can be listed for an entire community, in which case it is often set to the lowest man-made structure or road in the area, the lowest farming field in the area, or the floodplain. It can also be set for a specific location ("flood stage is 12 feet on Maple Street at First Avenue" means that the specified intersection will begin ...
The difference between a flood plain and an alluvial plain is: a flood plain represents areas experiencing flooding fairly regularly in the present or recently, whereas an alluvial plain includes areas where a flood plain is now and used to be, or areas which only experience flooding a few times a century. [8] Chengdu Plain, Sichuan
Ad
related to: diagram of a flood plain form of address based on area