inundation area

Furthermore, levees have been built for the purpose of empoldering, or as a boundary for an inundation area.

A number of homesteads and most of the township of Adaminaby lay within the inundation area of the proposed dam.

Secondary or derived outputs include flow velocity, and such field-observable quantities as run-up height, deposit thickness, and inundation area.

The FIRM typically focuses on delineation of the 100-year flood inundation area, also known within the NFIP as the Special Flood Hazard Area.

In 1970, a new plan was conceived and soon executed: digging an additional channel to replace the former inundation area, and using the spoil to build up the remaining strip of land between the straightened bed from the 19th century flood defense schemes and the newly created one.

The damages are caused chiefly by a reduction in the natural ability of river basins to hold back water, and also by the careless intervention of man in the environment, for example by regulating flows, by placing buildings and businesses in flood-prone areas and by reducing the size of natural inundation areas.