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Flood control channels are large and empty basins where surface water can flow through but is not retained (except during flooding), or dry channels that run below the street levels of some larger cities, so that if a flash flood occurs the excess water can drain out along these channels into a river or other bodies of water. Flood channels are ...
The bioswale channel is grass-lined and nearly linear in form. Downslope gradient is approximately 4% and cross-slope gradient is approximately 6%. [16] A relatively recent project established was the "Street Edge Alternatives" (SEA) project in Seattle, Washington, completed in 2001. Rather than using traditional piping, SEA's goal was to ...
Structural flood management (i.e: flood control) is the reduction of the effects of a flood using physical solutions, such as reservoirs, levees, dredging and diversions. Non-structural flood management includes land-use planning , advanced warning systems and flood insurance.
The creek is soon joined by Imperial Creek as it begins to flow southwest through a series of flood control channels, alternatively earth- and concrete-lined. The somewhat-haphazardly-constructed channel is described as being either concrete-lined, "composite," trapezoidal, or riprap. After having crossed the Los-Angeles–Orange County border ...
A bioretention cell, also called a rain garden, in the United States.It is designed to treat polluted stormwater runoff from an adjacent parking lot. Plants are in winter dormancy.
Los Angeles County flood control network withstands punishing rains -- for now L.A.'s flood-control system survived epic storm. But it's losing battle with climate change
The flood pulse concept, developed by W.J. Junk in 1989, further modified by P.B. Bayley in 1990 and K. Tockner in 2000, takes into account the large amount of nutrients and organic material that makes its way into a river from the sediment of surrounding flooded land. [27]
A wide variety of river and stream channel types exist in limnology, the study of inland waters. All these can be divided into two groups by using the water-flow gradient as either low gradient channels for streams or rivers with less than two percent (2%) flow gradient, or high gradient channels for those with greater than a 2% gradient.