International Low Impact Development Conference China 2016
Rainfall-Storage-Pump-Discharge (RSPD) Model for Sustainable and Resilient Flood Mitigation
Publication: International Low Impact Development Conference China 2016: LID Applications in Sponge City Projects
ABSTRACT
Urban flooding is becoming an increasingly important issue in the 21st century, due to climate change and urbanization. Traditional methods of extensive flood-control infrastructure are challenged. Micro-scale rainwater management which stores some of rainfall from building rooftops can reduce flooding of nearby sewer systems. And the reduction of peak runoff can then calculated using the rainfall-storage-discharge (R-S-D) model. By controlling drain pump, flooding can be further mitigated without costly changing the existing systems, working toward resilient and sustainable flood mitigation approach. The reduction of peak runoff can be calculated using the rainfall-storage-pump-discharge (R-S-P-D) model. From the R-S-P-D model, TPP curves and TPD curves are developed to determine the reduced peak flow and increased design return period for a combination of tank volume and pumping rate. These curves will be used in the design and operation of rainwater systems in areas of limited sewer capacity or for climate change adaptation.
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ACKNOWLEDGEMENTS
This research was supported by “Development of Nano-Micro Bubble Dual System for Restoration of Self-purification and Sustainable Management in Lake” project, funded by the Republic of Korea Ministry of Environment. Furthermore, this research was supported by Institute of Construction and Environmental Engineering at Seoul National University. The authors wish to express their gratitude for the support.
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Published In
International Low Impact Development Conference China 2016: LID Applications in Sponge City Projects
Pages: 152 - 161
Editors: Haifeng Jia, Ph.D., Tsinghua University, Shaw L. Yu, Ph.D., University of Virginia, Robert Traver, Ph.D., Villanova University, Huapeng Qin, Ph.D., Peking University Shenzhen Graduate School, Junqi Li, Ph.D., Beijing University of Civil Engineering and Architecture, and Mike Clar, Ecosite, Inc.
ISBN (Online): 978-0-7844-8104-2
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© 2017 American Society of Civil Engineers.
History
Published online: Dec 4, 2017
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