Search Results - "Tiedeman, R"

Microbial community response to a bioaugmentation test to degrade trichloroethylene in a fractured rock aquifer, Trenton, N.J by Underwood, Jennifer C, Akob, Denise M, Lorah, Michelle Mi, Imbrigiotta, Thomas E, Harvey, Ronald W, Tiedeman, Claire R

“…Abstract Bioaugmentation is a promising strategy for enhancing trichloroethylene (TCE) degradation in fractured rock. However, slow or incomplete…”
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Hydraulic Tomography: 3D Hydraulic Conductivity, Fracture Network, and Connectivity in Mudstone by Tiedeman, Claire R., Barrash, Warren

“…We present the first demonstration of hydraulic tomography (HT) to estimate the three‐dimensional (3D) hydraulic conductivity (K) distribution of a fractured…”
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Contributing Areas to Domestic Wells in Dipping Sedimentary Rocks under Extreme Recharge Events by Tiedeman, Claire R., Shapiro, Allen M.

“…We use particle tracking to determine contributing areas (CAs) to wells for transient flow models that simulate cyclic domestic pumping and extreme recharge…”
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A method for evaluating the importance of system state observations to model predictions, with application to the Death Valley regional groundwater flow system by Tiedeman, Claire R., Ely, D. Matthew, Hill, Mary C., O'Brien, Grady M.

“…We develop a new observation‐prediction (OPR) statistic for evaluating the importance of system state observations to model predictions. The OPR statistic…”
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Evaluation of longitudinal dispersivity estimates from simulated forced- and natural-gradient tracer tests in heterogeneous aquifers by Tiedeman, Claire R., Hsieh, Paul A.

“…We simulate three types of forced‐gradient tracer tests (converging radial flow, unequal strength two well, and equal strength two well) and natural‐gradient…”
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Methods for using groundwater model predictions to guide hydrogeologic data collection, with application to the Death Valley regional groundwater flow system by Tiedeman, Claire R., Hill, Mary C., D'Agnese, Frank A., Faunt, Claudia C.

“…Calibrated models of groundwater systems can provide substantial information for guiding data collection. This work considers using such models to guide…”
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Effect of correlated observation error on parameters, predictions, and uncertainty by Tiedeman, Claire R., Green, Christopher T.

“…Correlations among observation errors are typically omitted when calculating observation weights for model calibration by inverse methods. We explore the…”
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The complex spatial distribution of trichloroethene and the probability of NAPL occurrence in the rock matrix of a mudstone aquifer by Shapiro, Allen M., Goode, Daniel J., Imbrigiotta, Thomas E., Lorah, Michelle M., Tiedeman, Claire R.

“…Methanol extractions for chloroethene analyses are conducted on rock samples from seven closely spaced coreholes in a mudstone aquifer that was subject to…”
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Uncertainties in measuring and estimating water‐budget components: Current state of the science by Levin, Sara B., Briggs, Martin A., Foks, Sydney S., Goodling, Phillip J., Raffensperger, Jeff P., Rosenberry, Donald O., Scholl, Martha A., Tiedeman, Claire R., Webb, Richard M.

“…Reducing uncertainty in quantifying basin‐scale water‐budget components is one of the most vexing problems for water‐resource managers. Although a vast…”
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Bioremediation in Fractured Rock: 1. Modeling to Inform Design, Monitoring, and Expectations by Tiedeman, Claire R., Shapiro, Allen M., Hsieh, Paul A., Imbrigiotta, Thomas E., Goode, Daniel J., Lacombe, Pierre J., DeFlaun, Mary F., Drew, Scott R., Johnson, Carole D., Williams, John H., Curtis, Gary P.

“…Field characterization of a trichloroethene (TCE) source area in fractured mudstones produced a detailed understanding of the geology, contaminant distribution…”
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Bioremediation in Fractured Rock: 2. Mobilization of Chloroethene Compounds from the Rock Matrix by Shapiro, Allen M., Tiedeman, Claire R., Imbrigiotta, Thomas E., Goode, Daniel J., Hsieh, Paul A., Lacombe, Pierre J., DeFlaun, Mary F., Drew, Scott R., Curtis, Gary P.

“…A mass balance is formulated to evaluate the mobilization of chlorinated ethene compounds (CE) from the rock matrix of a fractured mudstone aquifer under pre‐…”
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Assessing an Open-Well Aquifer Test in Fractured Crystalline Rock by Tiedeman, Claire R., Hsieh, Paul A.

“…Use of open wells to conduct aquifer tests in fractured crystalline rock aquifers is potentially problematic, because open wells can hydraulically connect…”
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Characterizing a ground water basin in a New England mountain and valley terrain by Tiedeman, C.R. (U.S. Geological Survey, Menlo Park, CA.), Goode, D.J, Hsieh, P.A

“…A ground water basin is defined as the volume of subsurface through which ground water flows from the water table to a specified discharge location…”
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Multiple Well-Shutdown Tests and Site-Scale Flow Simulation in Fractured Rocks by Tiedeman, Claire R, Lacombe, Pierre J, Goode, Daniel J

“…A new method was developed for conducting aquifer tests in fractured-rock flow systems that have a pump-and-treat (P&T) operation for containing and removing…”
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Brief communication. Mitochondrial DNA variation in the European otter (Lutra lutra) and the use of spatial autocorrelation analysis in conservation by Cassens, I, Tiedeman, R, Suchentrunk, F, Hartle, GB

“…To add genetic information to the international conservation efforts on European otters Lutra lutra, we investigated the genetic population structure in and…”
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Integration of stable carbon isotope, microbial community, dissolved hydrogen gas, and 2HH2O tracer data to assess bioaugmentation for chlorinated ethene degradation in fractured rocks by Révész, Kinga M., Lollar, Barbara Sherwood, Kirshtein, Julie D., Tiedeman, Claire R., Imbrigiotta, Thomas E., Goode, Daniel J., Shapiro, Allen M., Voytek, Mary A., Lacombe, Pierre J., Busenberg, Eurybiades

“…An in situ bioaugmentation (BA) experiment was conducted to understand processes controlling microbial dechlorination of trichloroethene (TCE) in groundwater…”
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Effect of correlated observation error on parameters, predictions, and uncertainty: Effect of correlated observation error by Tiedeman, Claire R., Green, Christopher T.

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Mitochondrial DNA variation in the European otter (Lutra lutra) and the use of spatial autocorrelation analysis in conservation by Cassens, I, Tiedemann, R, Suchentrunk, F, Hartl, G B

“…To add genetic information to the international conservation efforts on European otters Lutra lutra, we investigated the genetic population structure in and…”
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Knowledge, transparency, and refutability in groundwater models, an example from the Death Valley regional groundwater flow system by Hill, Mary C., Faunt, Claudia C., Belcher, Wayne R., Sweetkind, Donald S., Tiedeman, Claire R., Kavetski, Dmitri

“…•Even complicated models can provide important insights with 10s of model runs.•The methods provide consistent results for two very different models of the…”
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Integration of stable carbon isotope, microbial community, dissolved hydrogen gas, and super(2)HH sub(2)O tracer data to assess bioaugmentation for chlorinated ethene degradation in fractured rocks by Revesz, Kinga M, Lollar, Barbara Sherwood, Kirshtein, Julie D, Tiedeman, Claire R, Imbrigiotta, Thomas E, Goode, Daniel J, Shapiro, Allen M, Voytek, Mary A, Lacombe, Pierre J, Busenberg, Eurybiades

“…An in situ bioaugmentation (BA) experiment was conducted to understand processes controlling microbial dechlorination of trichloroethene (TCE) in groundwater…”
Get full text