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http://dx.doi.org/10.14700/KITLA.2017.35.4.126

A Study on the Peak Runoff Reduction Effect of Seolleung·Jeongneung Zone by Applying LID(Low Impact Development) System based on the Landscape Architectural Technology  

Kim, Tae-Han (Dept. of Environmental Landscape Architecture, SangMyung University)
Choi, Jong-Hee (Division of Horticulture & Landscape Architecture, PaiChai University)
Publication Information
Journal of the Korean Institute of Traditional Landscape Architecture / v.35, no.4, 2017 , pp. 126-133 More about this Journal
Abstract
This study analyzed hydrological changes of stormwater runoff of Seolleung Jeongneung zone according to the application of LID system based on landscape Architectural technology. The results are as follows. First, when flooding occurred in Gwanghwamun in July 27, 2011, the maximum instantaneous rainfall amount was 183 mm/hr recorded at 10:00 on 27th for 10 minutes, and it was confirmed that rainfall intensity more than three times as high as the maximum rainfall of 57.5 mm/hr. Second, it is possible to control peak flow rate in the case of 1,500mm of soil thickness, so that it is possible to improve the vulnerability of flood damage in Seolleung and Jeongneung zone when applying the LID system. Third, in the berm height scenario, peak flow rate control was not controled in all depth level models, but the first stormwater runoff was delayed by 4 hours and 10 minutes compared to the soil thickness scenario. It was interpreted as a relatively important indicator the soil thickness for the initial stromwater runoff reduction and the berm height for the peak runoff. Through this, the systematic adaptation of landscape-friendly ecological factors within the cultural property protection zone could theoretically confirm the effects of flood disaster prevention.
Keywords
Stormwater Runoff; Peak Runoff Reduction; Soil Thickness; Berm Height;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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