期刊
ENVIRONMENTAL MODELLING & SOFTWARE
卷 64, 期 -, 页码 58-71出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envsoft.2014.11.012
关键词
Water quality; Modeling; SIAQUA-IPH
类别
资金
- Brazilian CNPQ institution
- Brazilian FAPERGS institution
Mathematical modeling is an important tool for water quality studies, and the integration of water quality models with geographic information systems (GIS) is very useful for information extraction and for results interpretation. In this context, this work presents the development of a water quality model coupled with GIS (Map Window GIS) for representing impacts of point-sourced pollutants released with distinct durations under different flow scenarios, allowing a systemic view of the entire basin, and capable of being used with low data availability. The model is called SIAQUA-IPH and uses a pollutograph convolution scheme to represent multiple discharges and confluences in the basin, based on analytical solutions of the longitudinal advection-dispersion equation. Operational tests presented a full operational performance from all technical solutions adopted, and a representation of plumes considered satisfactory in comparison to observations. Additionally, a simple sensitivity analysis is presented, that gives useful insights about the model application. (C) 2014 Elsevier Ltd. All rights reserved.
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