2009 Portland GSA Annual Meeting (18-21 October 2009)

Session No. 78
Monday, 19 October 2009: 8:00 AM-12:00 PM
D137/138 (Oregon Convention Center)

T25. Groundwater in Ecosystems: Effects of Physical, Chemical, and Biological Processes and Feedback Mechanisms

GSA Hydrogeology Division; U.S. National Chapter of the International Association of Hydrogeologists; GSA Geobiology & Geomicrobiology Division

 

Randall Hunt and Masaki Hayashi, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:05 AM
INVESTIGATING THE INFLUENCE OF VERTISOLS ON RECHARGE IN NEBRASKA'S RAINWATER BASIN WETLANDS
WILSON, Richard, School of Natural Resources, University of Nebraska-Lincoln, 249 Hardin Hall, Lincoln, NE 68583, HARVEY, F. Edwin, School of Natural Resources, University of Nebraska-Lincoln, PO Box 830996, Lincoln, NE 68583-0996 and FOSTER, Sarah Elizabeth, Geosciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588-0340, richard.wilson7@huskers.unl.edu, richard.wilson7@huskers.unl.edu
2
8:20 AM
MONITORING TEMPORAL VARIATIONS OF AGRICULTURAL CONTAMINANTS IN NEBRASKA'S RAINWATER BASIN WETLANDS
FOSTER, Sarah Elizabeth, Geosciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588-0340, HARVEY, F. Edwin, School of Natural Resources, University of Nebraska-Lincoln, PO Box 830996, Lincoln, NE 68583-0996 and WILSON, Richard, School of Natural Resources, University of Nebraska-Lincoln, 249 Hardin Hall, Lincoln, NE 68583, sarah.foster41@gmail.com, sarah.foster41@gmail.com
3
8:35 AM
EFFECTS OF FIRE SUPRESSION ACTIVITIES ON KARST AQUIFERS: RESULTS FROM THE HIDDEN FIRE, SEQUOIA NATIONAL PARK, CA
TOBIN, Benjamin W.1, DESPAIN, Joel2 and KELLY, Marissa2, (1)Biology, University of California, Merced, Merced, CA 94353, (2)Sequoia and Kings Canyon National Parks, National Park Service, 47050 Generals Hwy, Three Rivers, CA 93271, bt1171@txstate.edu, bt1171@txstate.edu
4
8:50 AM
HOW MUCH WATER DOES A FEN NEED? DEVELOPING ENVIRONMENTAL WATER REQUIREMENTS FOR GROUNDWATER-DEPENDENT ECOSYSTEMS
ALDOUS, Allison1, GURRIERI, Joseph2, BACH, Leslie1 and CARROLL, Trish3, (1)The Nature Conservancy, 821 SE 14th Ave, Portland, OR 97214, (2)Minerals and Geology Management, USDA Forest Service, 324 25th Street, Ogden, UT 84401, (3)PNW Regional Office, USDA Forest Service, Portland, OR 97215, aaldous@tnc.org, aaldous@tnc.org
5
9:10 AM
GROUNDWATER AND NATIVE ORCHIDS IN ALBERTA: IS THERE A LINK?
ROSTRON, Benjamin J., Earth & Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, Ben.Rostron@UAlberta.ca, Ben.Rostron@UAlberta.ca
6
9:25 AM
SEASONAL AND SPATIAL GRADIENTS IN STABLE ISOTOPES OF DISSOLVED OXYGEN AND DISSOLVED INORGANIC CARBON IN A FLOODPLAIN AQUIFER
SMITH, M. Garrett1, PARKER, Stephen R.1, GAMMONS, Christopher H.2 and POULSON, Simon R.3, (1)Chemistry and Geochemistry, Montana Tech of The University of Montana, 1300 West Park St, Butte, MT 59701, (2)Geological Engineering, Montana Tech of The Univ of Montana, 1300 West Park Street, Butte, MT 59701, (3)Department of Geological Sciences and Engineering, University of Nevada, Reno, MS 172, 1664 N Virginia St, Reno, NV 89557, mgsmith@mtech.edu, mgsmith@mtech.edu
7
9:40 AM
MAPPING VULNERABILITY OF AQUATIC ECOSYSTEMS ACROSS THE CONTIGUOUS UNITED STATES
KRABBENHOFT, David1, BOOTH, Nathan1, FIENEN, Michael N.2 and LUTZ, Michelle1, (1)Wisconsin Water Science Center, U.S. Geological Survey, 8505 Research Way, Middleton, WI 53562, (2)U.S. Geological Survey, Wisconsin Water Science Center, 8505 Research Way, Middleton, WI 53562, dpkrabbe@usgs.gov, dpkrabbe@usgs.gov
 
10:00 AM
Break
8
10:15 AM
THE EFFECT OF SEDIMENT DISTURBANCE ON EXCHANGE BETWEEN GROUNDWATER AND SURFACE WATER IN NEAR-SHORE MARGINS
ROSENBERRY, Donald O., U.S. Geological Survey, MS413, Bldg. 53, DFC, Box 25046, Lakewood, CO 80225, TORAN, Laura, Earth and Environmental Science, Temple University, Philadelphia, PA 19122 and NYQUIST, Jonathan, Department of Geology, Temple University, Beury Hall, 1901 N13th St, Philadelphia, PA 19122, rosenber@usgs.gov, rosenber@usgs.gov
9
10:30 AM
QUANTIFYING THE HYDROLOGIC INTERACTIONS ASSOCIATED WITH THE PLANT WATER STRESS FUNCTION AND EVAPOTRANSPIRATION PARTITIONING IN A WETLAND ECOSYSTEM
BOOTH, Eric G., Limnology and Marine Science, Department of Civil and Environmental Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706 and LOHEIDE II, Steven P., Department of Civil and Environmental Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706, egbooth@wisc.edu, egbooth@wisc.edu
10
10:45 AM
UNDERSTANDING THE PROCESS OF NATURAL GROUNDWATER QUALITY IMPROVEMENT AND AWARD-WINNING TASTE IN THE AMES AQUIFER
SIMPKINS, William W., Department of Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Iowa State University, Ames, IA 50011 and SCHEURER, Rachel E., Short Elliott Hendrickson Inc - SEH, Inc, 100 N 6th St # 710C, Minneapolis, MN 55403-1515, bsimp@iastate.edu, bsimp@iastate.edu
11
11:00 AM
GROUNDWATER MIXING DYNAMICS WITHIN THE SALINE WETLANDS OF THE LITTLE SALT CREEK WATERSHED, LANCASTER COUNTY, NEBRASKA
GILBERT, James M., School of Natural Resources, University of Nebraska-Lincoln, 604 Hardin Hall, Lincoln, NE 68583-0996 and HARVEY, F. Edwin, School of Natural Resources, University of Nebraska-Lincoln, PO Box 830996, Lincoln, NE 68583-0996, jgilbert4@unl.edu, jgilbert4@unl.edu
12
11:15 AM
GEOPHYSICAL DELINEATION OF SALINE GROUNDWATER PLUME PATTERNS NEAR SALINE LAKES IN SEMIARID DUNE ENVIRONMENTS
HALIHAN, Todd, School of Geology, Oklahoma State University, 105 Noble Research Center, Stillwater, OK 74078, ONG, John T., Department of Earth and Atmospheric Sciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588-0340 and ZLOTNIK, Vitaly A., Department of Geosciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588-0340, todd.halihan@okstate.edu, todd.halihan@okstate.edu
13
11:30 AM
PATTERNS OF SOIL AND WETLAND SALINIZATION DUE TO DYNAMIC INTERACTION BETWEEN GRAVITY-DRIVEN AND OVERPRESSURED GROUNDWATER FLOW, DUNA-TISZA INTERFLUVE, HUNGARY
MÁDL-SZÕNYI, Judit, Department of Physical and Applied Geology, Eötvös Loránd University, Pázmány Péter sétány 1/c, Budapest, 1117, Hungary and TÓTH, József, Department of Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, szjudit@ludens.elte.hu, szjudit@ludens.elte.hu
14
11:45 AM
POTENTIAL THREAT OF GROUNDWATER CONTAMINANTS TO AN URBAN STREAM ECOSYSTEM
ROY, James W., BICKERTON, Greg and VORALEK, John, National Water Research Institute, Environment Canada, Burlington, ON L7R 4A6, Canada, jim.roy@ec.gc.ca, jim.roy@ec.gc.ca
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