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9th International Rainwater Catchment Systems Conference
"Rainwater Catchment: An Answer to the Water Scarcity of the Next Millennium."
Petrolina, Brazil - July 1999

Section 9: Rainwater Catchment Systems in Urban Areas

Paper 9.3

The Study for Influencing Factors of Urban Rainwater Catchment System Capacity

S.C. Chu, C.H. Liaw, W.L. Huang, S.K. Hsu, Y.L. Tsai & J.J. Kuo
Department of River and Harbor Engineering
National Taiwan Ocean University
Keelung, Taiwan 202


This study initially examines the different water demand, catchment area and storage capacity. The water input is simulated using several rainfall record intervals, and the Critical Period Technique. Sensitivity analysis is conducted on the variables affecting the system that include catchment area, duration of rainfall records, and water demand. The relationship between water release, storage capacity, and rooftop catchment area is established under different water demand conditions. This information would be useful and essential for the planners and decision-makers in selecting and optimizing the rainwater catchment system design.

PDF of full document (8pp, 45kb)

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