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Modeling the Runoff Reduction Effect of Low Impact Development Installations in an Industrial Area, South Korea

1
Cooperative Institute for Research in the Atmosphere (CIRA), Colorado State University, Fort Collins, CO 80523, USA
2
NOAA Earth System Research Laboratory, Physical Sciences Division, Boulder, CO 80305, USA
3
Department of Civil and Environmental Engineering, Hanbat National University, Daejeon 34158, Korea
4
Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, CO 80523, USA
5
Department of Civil Engineering, Dongshin University, Naju 58245, Korea
*
Author to whom correspondence should be addressed.
Water 2018, 10(8), 967; https://doi.org/10.3390/w10080967
Received: 6 June 2018 / Revised: 14 July 2018 / Accepted: 16 July 2018 / Published: 24 July 2018
(This article belongs to the Section Urban Water Management)
Low-impact development (LID) methods are an important approach to storm-water mitigation. Modeling the effects of these installations using rainfall-runoff simulations can provide useful data for future design and implementation. In this study, we used the Storm Water Management Model to assess seven types of LID installations (vegetated areas, garden pots, tree filter boxes, permeable pavement, infiltration ditches, rain barrels, and infiltration blocks) at a South Korean industrial site. Using both short- and long-term simulation periods and distinct sub-basins within the study site, we were able to assess LID performance at the combined watershed, as well as at one LID facility. All LID types showed reasonable performance for storm-water runoff reduction, though rain barrels were the least effective. The effect of rainfall runoff reduction on LID facilities is changed according to rainfall depth (annual precipitation, monthly rainfall), the ratio of drainage area and facility capacity. We concluded that SWMM-LID modeling can effectively support the management of LID installations by providing additional design and planning data to better mitigate the effects of storm-water runoff. View Full-Text
Keywords: low impact development; storm-water reduction; SWMM; urbanization; water cycle recovery low impact development; storm-water reduction; SWMM; urbanization; water cycle recovery
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Kim, J.; Lee, J.; Song, Y.; Han, H.; Joo, J. Modeling the Runoff Reduction Effect of Low Impact Development Installations in an Industrial Area, South Korea. Water 2018, 10, 967.

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