NDLI: Optimized water surface ratio and pervious surface proportion in urbanized riverside areas

Content Provider	Springer Nature Link
Author	Gao, Cheng Liu, Jun Cui, Han Wang, Zhuowen He, Shuang
Copyright Year	2013
Abstract	An optimal group of water surface ratios and pervious surface proportions can reduce the risk of waterlogging in large urbanized riverside areas. In this study, the Storage Capacity Curve Method is proposed to calculate the drainage modulus, the essence of which is based on the assumption that the drainage area is a reservoir; and then draw the storage capacity curve after unsteady flow calculation. A series of drainage modulus is calculated with varying water surface ratio and pervious proportion using the Storage Capacity Curve Method. This is done in order to determine the quantitative relationship among these variables through regression analysis. The results indicate that the drainage modulus of a large urbanized riverside area has a good exponential function relative to the water surface ratio and has a linear relationship with the pervious surface proportion. By using an integrated impacts model and a cost function, the optimal group values of the water surface ratio (6.65 %) and the pervious surface proportion (26.4 %) are obtained by minimizing the cost function.
Starting Page	569
Ending Page	576
Page Count	8
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	72
Issue Number	2
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-12-05
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Urban drainage Drainage modulus Water surface ratio Pervious surface proportion Integrated impacts model Geology
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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