Transient Inverse Calibration of Site-Wide Groundwater Model to Hanford Operational Impacts from 1943 to 1996--Alternative Conceptual Model Considering Interaction with Uppermost Basalt Confined Aquifer

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The baseline three-dimensional transient inverse model for the estimation of site-wide scale flow parameters, including their uncertainties, using data on the transient behavior of the unconfined aquifer system over the entire historical period of Hanford operations, has been modified to account for the effects of basalt intercommunication between the Hanford unconfined aquifer and the underlying upper basalt confined aquifer. Both the baseline and alternative conceptual models (ACM-1) considered only the groundwater flow component and corresponding observational data in the 3-Dl transient inverse calibration efforts. Subsequent efforts will examine both groundwater flow and transport. Comparisons of goodness of fit measures and ... continued below

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Vermeul, Vince R; Cole, Charles R; Bergeron, Marcel P; Thorne, Paul D & Wurstner, Signe K August 29, 2001.

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The baseline three-dimensional transient inverse model for the estimation of site-wide scale flow parameters, including their uncertainties, using data on the transient behavior of the unconfined aquifer system over the entire historical period of Hanford operations, has been modified to account for the effects of basalt intercommunication between the Hanford unconfined aquifer and the underlying upper basalt confined aquifer. Both the baseline and alternative conceptual models (ACM-1) considered only the groundwater flow component and corresponding observational data in the 3-Dl transient inverse calibration efforts. Subsequent efforts will examine both groundwater flow and transport. Comparisons of goodness of fit measures and parameter estimation results for the ACM-1 transient inverse calibrated model with those from previous site-wide groundwater modeling efforts illustrate that the new 3-D transient inverse model approach will strengthen the technical defensibility of the final model(s) and provide the ability to incorporate uncertainty in predictions related to both conceptual model and parameter uncertainty.

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  • Other Information: PBD: 29 Aug 2001

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  • Report No.: PNNL-13623
  • Report No.: EW02J1080
  • Grant Number: AC06-76RLO1830
  • DOI: 10.2172/787965 | External Link
  • Office of Scientific & Technical Information Report Number: 787965
  • Archival Resource Key: ark:/67531/metadc716431

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  • August 29, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 6, 2016, 6:38 p.m.

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Vermeul, Vince R; Cole, Charles R; Bergeron, Marcel P; Thorne, Paul D & Wurstner, Signe K. Transient Inverse Calibration of Site-Wide Groundwater Model to Hanford Operational Impacts from 1943 to 1996--Alternative Conceptual Model Considering Interaction with Uppermost Basalt Confined Aquifer, report, August 29, 2001; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc716431/: accessed November 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.