International Low Impact Development Conference China 2016
Study on Spatial Characteristics and Load of Urban Non-Point Source Pollution Based on Geostatistical Model
Publication: International Low Impact Development Conference China 2016: LID Applications in Sponge City Projects
ABSTRACT
The study utilized a geostatistical model to run a spatial simulation and interpolated with site mean concentration (SMC) precisely and calculated the load of suspended solid (SS) by rasterizing the interpolation layer. The results show that (a) non-point source (NPS) pollution at Lingang New City is under a high level, and the mean of PSS, PCOD, PTP, and PNH4+ (P is pollution index of single factor) is 9.61, 2.45, 2.77, 3.07, respectively, while the maximum of PSS is 40.29; (b) the theoretical semi-variance model for SMCSS is Gaussian model and spatial structure proportion C0/(C0+C) is 0.144, indicating that SMCSS is strongly spatial-correlated to the study area; (c) the load of SS of NPS pollution is 1012.29t/a, within which 97.39% of the pollution load is from road of effective impervious surface (EIA); and (d) some adaptive management strategies are proposed to control local NPS pollution, including low impact development (LID) practices, reusing runoff from roof of EIA.
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ACKNOWLEDGEMENTS
This paper was supported by Natural Science Foundation of China (No. 51408225). The authors acknowledge Zhaoyi Shang, Haiying Zhang, XiangyuRen, Yan Jin, Meng Wu, Min Cao and Yu Fengfrom East China Normal University, Shuang Liu, Yu Cui and Yinhua Kang from Shanghai Ocean University for their help in collecting data. Special thanks to Xuchu Meng from University of North Carolina at Charlotte and the reviewers as well as the editors for their valuable suggestions.
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Information & Authors
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Published In
International Low Impact Development Conference China 2016: LID Applications in Sponge City Projects
Pages: 137 - 151
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.
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Published online: Dec 4, 2017
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