The effect of successive low-impact development rainwater systems on peak flow reduction in residential areas of Shizhuang, China

Against a background of frequent urban flooding and the construction of new so-called “sponge cities” in China, this paper proposes a scheme for Successive Low-Impact Development Rainwater Systems (SLIDRS) in residential areas. The Shizhuang community in China is used as a case study site for a simu...

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Bibliographic Details
Published inEnvironmental earth sciences Vol. 78; no. 2; pp. 1 - 12
Main Authors Miao, Zhan-Tang, Han, Mooyoung, Hashemi, Shervin
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 2019
Springer Nature B.V
Subjects
Biogeosciences
Case studies
Computer simulation
Delay time
Earth and Environmental Science
Earth Sciences
Environmental Science and Engineering
Flooding
Floods
Geochemistry
Geology
Housing developments
Hydrology/Water Resources
Infiltration
Rain
Rain water
Rainfall
Residential areas
Residential communities
Residential development
Runoff
Runoff volume
Sewer systems
Storms
Stormwater
Stormwater management
Terrestrial Pollution
Thematic Issue
Water conservation
Water management
China
Low-impact development
Sponge City
Urban flooding
Rainwater infiltration
Stormwater Management Model
Rain garden
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Summary:Against a background of frequent urban flooding and the construction of new so-called “sponge cities” in China, this paper proposes a scheme for Successive Low-Impact Development Rainwater Systems (SLIDRS) in residential areas. The Shizhuang community in China is used as a case study site for a simulated SLIDRS infrastructure based on a stormwater management model (SWMM). Peak flows, peak delay times, infiltration, and water conservation were simulated and analyzed under three different scenarios: pre-development conditions, residential development with the use of a conventional sewer system, and residential development with the use of SLIDRS. The differing effects of development under the following four rainfall conditions were evaluated: 1-year, 2-year, 5-year, and 10-year return periods. Results showed that SLIDRS can decrease peak flows and total runoff volume effectively. Moreover, peak flow times were delayed compared with those resulting from the conventional technology. Therefore, SLIDRS may represent a viable strategy towards solving local urban flooding problems.
ISSN:1866-6280
1866-6299
DOI:10.1007/s12665-018-8016-z