2005 Salt Lake City Annual Meeting (October 16–19, 2005)
Session No. 244 Wednesday, 19 October 2005
1:30 PM-5:30 PM, Salt Palace Convention Center: 250 AB

T26. Quantifying Controls on Microbial Reaction Rates in Subsurface Environments II (GSA Hydrogeology Division; National Ground Water Association; GSA Geobiology and Geomicrobiology Division)

Barbara Bekins, Eric Roden and Gary P. Curtis, Presiding
 Paper #Start Time
244-11:30 PM DISTRIBUTIONS OF MICROBIAL ACTIVITIES IN DEEP SUBSEAFLOOR SEDIMENTS: D'HONDT, Steven, SPIVACK, Arthur J., WANG, Guizhi, and ODP LEG 201 SHIPBOARD SCIENTIFIC PARTY, NASA Astrobiology Institute, Graduate School of Oceanography, University of Rhode Island, Narragansett Bay Campus, South Ferry Rd, Narragansett, RI 02882, dhondt@gso.uri.edu
244-21:50 PM EXPERIMENTALLY DETERMINED RATES OF METHANOGENESIS IN METHANE HYDRATE-BEARING SEDIMENTS: COLWELL, Frederick S.1, LORENSON, Tom2, BOYD, Stephanie1, DELWICHE, Mark E.1, REED, David1, and NEWBY, Deborah1, (1) Biological Sciences, Idaho National Laboratory, P.O. Box 1625, Idaho Falls, ID 83415-2203, frederick.colwell@inl.gov, (2) U.S. Geological Survey, 345 Middlefield Rd, Menlo Park, CA 94025
244-32:05 PM HYDROGENASE ACTIVITY AS AN INDICATOR OF MICROBIAL ACTIVITY AND AS A PROXY OF MICROBIAL COMMUNITY METABOLISM IN ANAEROBIC ENVIRONMENTS: SOFFIENTINO, Bruno, SPIVACK, Arthur J., SMITH, David C., and D'HONDT, Steven, Graduate School of Oceanography, University of Rhode Island, Narragansett Bay Campus, South Ferry Rd, Narragansett, RI 02882, bruno@gso.uri.edu
244-42:20 PM OVERCOMING THE CHALLENGE OF IDENTIFYING BIODEGRADATION IN SUBARCTIC REGIONS USING ANALYSIS OF BENZYLSUCCINATES AND STABLE ISOTOPIC RATIOS: MCKELVIE, Jennifer R.1, BELLER, Harry R.2, LINDSTROM, Jon E.3, RICHMOND, Sharon A.4, and SHERWOOD LOLLAR, Barbara1, (1) Geology, University of Toronto, 22 Russell Street, Toronto, ON M5S 3B1, Canada, mckelvie@geology.utoronto.ca, (2) Lawrence Livermore National Laboratory, 7000 East Avenue, P.O. Box 808, L-542, Livermore, CA 94551, (3) Shannon & Wilson, Inc, 2355 Hill Road, Fairbanks, AK 99709, (4) Contaminated Sites Program, Alaska Department of Environmental Conservation, 610 University Ave, Fairbanks, AK 99709
244-52:35 PM GENE EXPRESSION AS A PROXY FOR SUBSURFACE MICROBIAL RESPIRATION RATES: DENITRIFICATION AND THE NIRS GENE: BACHMANN, M.P., Department of Geosciences, The Pennsylvania State University, 211 Deike Building, State College, PA 16801, mbachmann@geosc.psu.edu and KUMP, Lee, Geosciences, Penn State Univ, 0535 Deike Bldg, University Park, PA 16802
244-62:50 PM IMPACT OF STREAM WATER LEVEL ON WATER TABLE FLUCTUATION AND NITROGEN EVOLUTION IN A GRASSED RIPARIAN ZONE: VIDON, Philippe G., Geology, Indiana Univ, Pudue Univ, Indianapolis, 723 W. Michigan Street - SL118, Indianapolis, IN 46202-5132, pvidon@iupui.edu and KAO, Cyril, Hydrosystems and Bioprocesses Research Unit, Cemagref, Parc de Tourvoie, BP44, Antony, 92163, France
244-73:05 PM ASSESSING NITRIFICATION AND ITS EFFECT ON NITROGEN TRANSPORT WITHIN A GROUNDWATER CONTAMINANT PLUME ON CAPE COD USING MULTIPLE ISOTOPIC AND BIOGEOCHEMICAL APPROACHES: SMITH, Richard L., U.S. Geol. Survey, 3215 Marine Street, Suite E-127, Boulder, CO 80303, rlsmith@usgs.gov, BÖHLKE, J.K., U.S. Geol Survey, 431 National Center, Reston, VA 20192, and MILLER, Daniel N., U.S. Dept. Agriculture, PO Box 166, Clay Center, NE 68933
 3:20 PM Break
244-83:35 PM USING REACTIVE TRANSPORT MODELING TO QUANTIFY LONG-TERM REACTION RATES IN PERMEABLE REACTIVE BARRIERS FOR THE TREATMENT OF MINE DRAINAGE: MAYER, K. Ulrich1, BENNER, Shawn G.2, BLOWES, David W.3, WILLIAMS, Randi L.1, BAIN, Jeff G.3, and DAIGNAULT, Eugenie3, (1) Earth and Ocean Sciences, Univ of British Columbia, 6339 Stores Rd, Vancouver, BC V6T 1Z4, Canada, umayer@eos.ubc.ca, (2) Department of Geology, Boise State University, Boise, ID 83705, (3) Earth Sciences, Univ of Waterloo, 200 University Avenue W, Waterloo, ON N2L 3G1
244-93:55 PM SIMULATION OF NITRATE TRANSPORT THROUGH THE GROUNDWATER/SURFACE WATER INTERFACE INFLUENCED BY TRANSIENT ADVECTIVE FLOW: GU, Chuanhui, MILLS, Aaron L., HORNBERGER, George M., and HERMAN, Janet S., Environmental Sciences, University of Virginia, Charlottesville, VA 22904-4123, cg8k@virginia.edu
244-114:25 PM RELATING EMPIRICAL AND MECHANISTIC RATE LAWS FOR DISSIMILATORY METAL REDUCING BACTERIA: BANDSTRA, Joel Z., Center for Environmental Kinetics Analysis, Pennsylvania State University, EESI, 2217 EES Building, University Park, PA 16802, jxb88@psu.edu, ROSS, Daniel E., Biochemistry and Molecular Biology, Pennsylvania State University, 0408 Althouse Lab, University Park, PA 16802, and BURGOS, William D., Civil and Environmental Engineering, Pennsylvania State University, 0115 Sackett Building, University Park, PA 16802
244-124:40 PM FIELD-SCALE REACTIVE TRANSPORT SIMULATIONS OF MULTIPLE TERMINAL ELECTRON ACCEPTING PROCESSES: FANG, Yilin, Pacific Northwest National Laboratory, P.O. Box 999 MS K9-36, Richland, WA 99352, yilin.fang@pnl.gov, SCHEIBE, Timothy D., Pacific Northwest National Laboratory, P.O. Box 999, MSIN K9-36, Richland, WA 99352, RODEN, Eric E., Geology and Geophysics, University of Wisconsin, 1215 W. Dayton St, Madison, WI 53706, and BROOKS, Scott C., Environmental Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, MS 6038, Oak Ridge, TN 37831

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