期刊
WATER RESEARCH
卷 108, 期 -, 页码 422-431出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2016.11.027
关键词
Stormwater quality modelling; Urban catchment; Monte Carlo Markov Chain; Build-up/wash-off model; Black-box model
资金
- Innoviris [2014/PRFB/23]
- PHC Tournesol grant of FWO
- French embassy in Belgium [VS.027.16N]
Models of runoff water quality at the scale of an urban catchment usually rely on build-up/wash-off formulations obtained through small-scale experiments. Often, the physical interpretation of the model parameters, valid at the small-scale, is transposed to large-scale applications. Testing different levels of spatial variability, the, parameter distributions of a water quality model are obtained in this paper through a Monte Carlo Markov Chain algorithm and analyzed. The simulated variable is the total suspended solid concentration at the outlet of a periurban catchment in the Paris region (2.3 km(2)), for which high-frequency turbidity measurements are available. This application suggests that build-up/wash-off models applied at the catchment-scale do not maintain their physical meaning, but should be considered as black-box models. (C) 2016 Elsevier Ltd. All rights reserved.
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