Surface runoff (also known as overland flow) is the unconfined flow of water over the ground surface, in contrast to channel runoff (or stream flow). It occurs when excess rainwater, stormwater, meltwater, or other sources, can no longer sufficiently rapidly infiltrate in the soil. This can occur when the soil is saturated by water to its full capacity, and the rain arrives more quickly than the soil can … WebA unit for measuring the volume of water, is equal to the quantity of water required to cover 1 acre to a depth of 1 foot and is equal to 43,560 cubic feet or 325,851 gallons. The term is …

Baseflow - Wikipedia

http://onlinemanuals.txdot.gov/txdotmanuals/hyd/time_of_concentration.htm WebOverland flow synonyms, Overland flow pronunciation, Overland flow translation, English dictionary definition of Overland flow. surface runoff. Translations. English: surface runoff n acque fpl superficiali. ud-4 cheyenne dropship xl edition

Saturated overland flow - Big Chemical Encyclopedia

Webnaturally concentrate and flow downhill to the sea or a lake. Where a piped drainage system is unavailable or unable to cope, the resulting surface water (overland flow) takes its … WebOverland flow units represent the amount of overland flow each cell contributes to surface flow. If omitted, a value of one (1) is assumed. Raster retention map specifies correction factors per cell for flow distribution. This map indicates the percentage of overland flow units leaving each cell. Values should be between zero and 100. WebAn overland flow of water occurring more or less simultaneously over a drainage basin when rainfall intensity exceeds the rate of water infiltration in the soil (Horton (1933) Trans. Am. … ud 16 champion spark plugs