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Integrated Modeling for Source Characterization of Pathogenic Contamination in Watersheds
TRYBY, M. E., S. T. PURUCKER, AND G. WHELAN. Integrated Modeling for Source Characterization of Pathogenic Contamination in Watersheds. In Proceedings, of the 2010 International Congress on Environmental Modelling and Software, Ottawa, ON, CANADA, July 05 - 08, 2010. International Environmental Modelling and Software Society, Manno, Switzerland, S.10.17, (2010).
The US EPA’s regulatory framework for recreational waters has protected public health for decades. Pathogenic contamination of these waters, however, remains a frequent cause of impairment. Integrated modeling is being leveraged to advance the agency’s understanding of pathogen fate and transport processes in watersheds and improve its ability to predict the consequences of exposure. This paper describes integrated modeling research focusing on source characterization techniques for pathogen transport scenarios in watersheds. Source characterization is a hidden requirement of Quantitative Microbial Risk Assessment, a method for estimating infection risks being evaluated across several programs within the EPA. A hybrid source characterization approach is described and demonstrated that utilizes integrated and inverse modeling methodologies to determine pathogen source allocations.
Record Details:Record Type: DOCUMENT (PAPER IN NON-EPA PROCEEDINGS)
Organization:U.S. ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
NATIONAL EXPOSURE RESEARCH LAB
ECOSYSTEMS RESEARCH DIVISION
REGULATORY SUPPORT BRANCH