期刊
ENVIRONMENTAL MODELLING & SOFTWARE
卷 95, 期 -, 页码 132-142出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envsoft.2017.06.021
关键词
Stormwater management; LID; DCIA; Hydrological responses; SWMM; GIS
类别
资金
- National Natural Science Foundations of China [31670470, 41440006, 51478217]
- Jiangsu Overseas Research & Training Program for University Prominent Young & Middle-aged Teachers and Presidents
Mitigating the impact of increasing impervious surfaces on stormwater runoff by low impact development (LID) is currently being widely promoted at site and local scales. In turn, the series of distributed LID implementations may produce cumulative effects and benefit stormwater management at larger, regional scales. However, the potential of multiple LID implementations to mitigate the broad-scale impacts of urban stormwater is not yet fully understood, particularly among different design strategies to reduce directly connected impervious areas (DCIA). In this study, the hydrological responses of stormwater runoff characteristics to four different land use conversion scenarios at the city scale were explored using GIS-based Stormwater Management Model (SWMM). Model simulation results confirmed the effectiveness of LID controls; however, they also indicated that even with the most beneficial scenarios hydrological performance of developed areas was still not yet up to the pre-development level, especially where there were pronounced changes from pervious to impervious land. (C) 2017 Elsevier Ltd. All rights reserved.
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