Assessment of a green roof practice using the coupled SWMM and HYDRUS models

被引：54

作者：

Baek, SangSoo ^{[1
]}

Ligaray, Mayzonee ^{[1
]}

Pachepsky, Yakov ^{[2
]}

Chun, Jong Ahn ^{[3
]}

Yoon, Kwang-Sik ^{[4
]}

Park, Yongeun ^{[5
]}

Cho, Kyung Hwa ^{[1
]}

机构：

[1] Ulsan Natl Inst Sci & Technol, Sch Urban & Environm Engn, Ulsan 44919, South Korea

[2] USDA ARS, Environm Microbial & Food Safety Lab, Beltsville, MD USA

[3] APEC Climate Ctr, Climate Analyt Dept, Busan 48058, South Korea

[4] Chonnam Natl Univ, Dept Rural & Biosyst Engn, Gwangju, South Korea

[5] Konkuk Univ, Sch Civil & Environm Engn, Neumgdong Ro 120, Seoul, South Korea

来源：

JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2020年 / 261卷

基金：

新加坡国家研究基金会;

关键词：

Low impact development; Storm water management model; Soil water movement; HYDRUS; LOW IMPACT DEVELOPMENT; SENSITIVITY-ANALYSIS; HYDRAULIC CONDUCTIVITY; MANAGEMENT-PRACTICES; NUMERICAL-ANALYSIS; STORMWATER RUNOFF; COMPUTER-PROGRAM; URBAN CATCHMENTS; WATER; SOIL;

D O I：

10.1016/j.jenvman.2019.109920

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Green roof can mitigate urban stormwater and improve environmental, economic, and social conditions. Various modeling approaches have been effectively employed to implement a green roof, but previous models employed simplifications to simulate water movement in green roof systems. To address this issue, we developed a new modeling tool (SWMM-H) by coupling the stormwater management and HYDRUS-1D models to improve simulations of hydrological processes. We selected green roof systems to evaluate the coupled model. Rainfall-runoff experiments were conducted for a pilot-scale green roof and urban subbasin. Soil moisture in the green roof and runoff volume in the subbasin were simulated more accurately by using SWMM-H instead of SWMM. The scenario analysis showed that SWMM-H selected sandy loam for controlling runoff whereas SWMM recommended sand. In conclusion, SWMM-H could be a useful tool for accurately understanding hydrological processes in green roofs.

引用

页数：12

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