flood plain information south creek, north creek, catfish - Sarasota ...

GLOSSARYBackwater. The resulting high water surface in agiven stream due to a downstream obstruction or high stagesin an intersecting stream.i nf Iuence.Estuary. An inlet or arm of the sea subject to tidalFlood. An overflow of lands not normally coveredby water and that are used or usable by man. Floods have twoessential characteristics: The inundation of land is temporary;and the land is adjacent to and inundated by overflow from ariver, stream, ocean, lake, or other body of standing water.Normally a "flood" is considered as any temporaryrise in stream flow or stage, but not the ponding of surfacewater, that results in significant adverse effects in thevicinity. Adverse effects may include damages from overflowof land areas, temporary backwater effects in sewers andlocal drainage channels, creation of unsanitary conditionsor other unfavorable situations by deposition of materialsin stream channels during flood recessions, rise of groundwatercoincident with increased stream flow, and otherproblems.Flood Crest.The maximum stage or elevation reachedby the waters of a flood at a given location.Flood Peak. The maximum instantaneous discharge ofa flood at a given location. It usually occurs at or near thetime of the flood crest.30