期刊
ENVIRONMENTAL POLLUTION
卷 159, 期 7, 页码 1932-1940出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2011.03.019
关键词
Buildup model; Nonpoint source pollution; Storm runoff; Urban; Washoff model
资金
- Excellent State Key Lab Fund [50823005]
- Ministry of water resources in China [201001080]
Many urban nonpoint source pollution models utilize pollutant buildup and washoff functions to simulate storm runoff quality of urban catchments. In this paper, two urban pollutant washoff load models are derived using pollutant buildup and washoff functions. The first model assumes that there is no residual pollutant after a storm event while the second one assumes that there is always residual pollutant after each storm event. The developed models are calibrated and verified with observed data from an urban catchment in the Los Angeles County. The application results show that the developed model with consideration of residual pollutant is more capable of simulating nonpoint source pollution from urban storm runoff than that without consideration of residual pollutant. For the study area, residual pollutant should be considered in pollutant buildup and washoff functions for simulating urban nonpoint source pollution when the total runoff volume is less than 30 mm. (C) 2011 Elsevier Ltd. All rights reserved.
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