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Published in:
2021 | OriginalPaper | Chapter
Urban Drainage Modelling for Management of Urban Surface Water
Author : Birgitte Lilholt Sørensen
Published in: Air Pollution Sources, Statistics and Health Effects
Publisher: Springer US
Excerpt
Catchment
The area where all the rainwater naturally drains toward the same point (outlet)
Drainage
Surface water coming from rain either drains (percolates) into the (permeable) ground or runs off to the location in the area with the lowest point of elevation. The water which does not drain requires transporting away from the catchment premises. The task of designing sewer systems for that purpose is called drainage
Percent imperviousness
The average percent of an area considered impervious for drainage of rain
Sewage
Wastewater from households or industry transported in sewer pipes
Surface runoff
The water which runs off the surface and does not drain into the ground is termed surface runoff