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dc.contributorEnvironmental Quality and Installations Program (U.S.)-
dc.contributorLos Alamos Technical Associates.-
dc.contributor.authorDortch, Mark S.-
dc.descriptionContract Report-
dc.descriptionAbstract: The Training Range Environmental Evaluation and Characterization System (TREECS™) uses average annual hydrologic conditions as inputs for multimedia fate and transport models. This simplification reduces model complexity and data input requirements while providing the capability to conduct long-term predictions of the fate of munitions constituents (MC) as well as other contaminants. TREECS™ was recently modified to allow the option of using time-varying (daily) hydrology for forcing input conditions. This report summarizes the results of testing this new feature. MC fate predictions with daily hydrology are compared with those using average annual hydrology. Results show that the use of average annual hydrology produces more conservative results (i.e., higher media concentrations) than using daily hydrology. A validation application for lead downstream of small arms firing ranges is also presented in this report. The daily hydrology feature will be most useful for applications involving short periods (year or less) to evaluate the effects of variable precipitation and flow on MC concentrations in streams.-
dc.publisherEnvironmental Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.relation.ispartofseriesERDC/EL CR ; 14-3.-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created in Microsoft Word and Adobe Acrobat-
dc.subjectFate modeling-
dc.subjectMunitions constituents-
dc.subjectGroundwater models-
dc.subjectSurface water-
dc.subjectTime-varying, daily hydrology-
dc.subjectTraining Range Environmental Evaluation and Characterization System-
dc.subjectComputer programs-
dc.subjectEnvironmental management-
dc.subjectEnvironmental Quality and Installations Program (U.S.)-
dc.titleEvaluation of time-varying hydrology within the Training Range Environmental Evaluation and Characterization System (TREECS™)-
Appears in Collections:Contract Report

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