Session No. 168
Monday, 28 October 2013: 1:00 PM-5:00 PM
Room 301 (Colorado Convention Center)

T36. Impacts of Land-Use Change and Disturbances on Unsaturated-Zone Ecohydrology and Process Characterization

GSA Hydrogeology Division; Unsaturated Zone Interest Group (UZIG); International Association of Hydrogeologists; GSA Geology and Society Division

 

Kim S. Perkins, C. Amanda Garcia, Michael Young, David A. Stonestrom, David R. Bedford and Darren Sandquist, Advocates
Paper #
Start Time
 
1:00 PM
Introductory Remarks
1
1:15 PM
ECOHYDROLOGIC FUNCTION OF SMALL WASHES ON A MOJAVE DESERT BAJADA AND THE IMPACTS OF THEIR DISTURBANCE
SANDQUIST, Darren1, MACIAS, Miguel1, NEWLANDER, April1, ROACH, Aimee1, BEDFORD, David R.2, MILLER, David M.3 and PERKINS, Kim S.4, (1)California State University, Fullerton, Fullerton, CA 92834-6850, (2)U.S. Geological Survey, 345 Middlefield Rd, MS 973, Menlo Park, CA 94025, (3)U.S. Geological Survey, 345 Middlefield Road MS 973, Menlo Park, CA 94025, (4)U.S. Geological Survey, 345 Middlefield Rd, MS-420, Menlo Park, CA 94025, dsandquist@fullerton.edu
2
1:30 PM
MULTI-DECADAL SEDIMENT AND HYDROLOGY RESPONSE TO CROPLAND ABANDONMENT AND WOODY PLANT ENCROACHMENT IN DYNAMIC RANGELANDS
BERG, Matthew D.1, WILCOX, Brad2, ANGERER, Jay3, MARCANTONIO, Franco4 and FOX, William E.3, (1)Texas A&M University, 2138 TAMU, College Station, TX 77843, (2)Department of Ecosystem Science and Management, Texas A&M University, MS 2138, Texas A&M University, College Station, TX 77843-2126, (3)Temple, TX 76502, (4)Geology and Geophysics, Texas A&M University, College Station, TX 77843, mattberg@tamu.edu
3
1:50 PM
THE EFFECT OF GRASSLAND AFFORESTATION ON GROUNDWATER RECHARGE IN THE NEBRASKA SAND HILLS
ADANE, Zablon A., Department of Earth and Atmospheric Sciences, University of Nebraska-Lincoln, 312 Bessey Hall, Lincoln, NE 68502 and GATES, John B., Department of Earth and Atmospheric Sciences, University of Nebraska-Lincoln, 217 Bessey Hall, Lincoln, NE 68502, zablon@huskers.unl.edu
4
2:05 PM
ASSESSING EFFECTS OF NATIVE REFORESTATION ON SOIL MOISTURE DYNAMICS AND POTENTIAL AQUIFER RECHARGE, AUWAHI, MAUI
PERKINS, Kim S.1, NIMMO, John R.2, MEDEIROS, Arthur C.3, SZUTU, Daphne J.4 and VON ALLMEN, Erica3, (1)U.S. Geological Survey, 345 Middlefield Rd, MS-420, Menlo Park, CA 94025, (2)U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, (3)USGS, P.O. Box 369, Makawao, HI 96768, (4)U.S. Geological Survey, 345 Middlefield Road, MS 421, Menlo Park, CA 94025, kperkins@usgs.gov
5
2:20 PM
THE UNSATURATED COAST (CARBON OBSERVATIONS ALONG SHORELINE TERRACES)
STONESTROM, David A.1, SCHULZ, Marjorie S.1, LAWRENCE, Corey2, KYKER-SNOWMAN, Emily2, HARDEN, Jennifer W.3 and WHITE, Art F.4, (1)US Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, (2)U.S. Geological Survey, Menlo Park, CA 94025, (3)U.S. Geological Survey, MS 962, Menlo Park, CA 94025, (4)US Geological Survey, Menlo Park, CA 94025, dastones@usgs.gov
6
2:35 PM
LIPID BIOMARKER RECORDS OF ECOHYDROLOGICAL RESPONSE TO GLOBAL CHANGE: VARIATION IN THE ISOTOPIC COMPOSITION OF N-ALKANES IN PLANTS EXPOSED ELEVATED CO2 AND WARMING
WILLIAMS, David G.1, CHEN, Janet2, KIM, Sora L.3, MACDONALD, Chandelle J.2 and SHUMAN, Bryan N.4, (1)Department of Ecosystem Science and Management, University of Wyoming, 1000 E. University Ave, Laramie, WY 82071, (2)Department of Ecosystem Science and Management, University of Wyoming, Laramie, WY 82071, (3)Department of Geology and Geophysics, University of Wyoming, 1000 University Ave. #3006, Laramie, WY 82071, (4)Department of Geology and Geophysics, University of Wyoming, 1000 University Ave. Dept. 3006, Laramie, WY 82071, dgw@uwyo.edu
7
2:55 PM
UNDERSTANDING THE SEASONAL VARIABILITY IN UNSATURATED ZONE GAS COMPOSITION AND FLUXES ABOVE A SUBSURFACE CRUDE OIL SPILL
TROST, Jared J.1, SIHOTA, Natasha2, MAYER, K. Ulrich3, MASON, Brent1 and BERG, Andrew1, (1)U.S. Geological Survey, Minnesota Water Science Center, 2280 Woodale Drive, Mounds View, MN 55112, (2)Earth, Ocean and Atmospheric Sciences, University of British Columbia, 6339 Stores Rd, Vancouver, BC V6T1Z4, Canada, (3)Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T1Z4, Canada, jtrost@usgs.gov
8
3:10 PM
LESSONS LEARNED FROM THE BUSHLAND EVAPOTRANSPIRATION AND AGRICULTURAL REMOTE SENSING EXPERIMENT 2008 (BEAREX08)
EVETT, Steven R.1, KUSTAS, William P.2, ALFIERI, Joseph G.2, PRUEGER, John H.3 and CHÁVEZ, José L.4, (1)Conservation and Production Research Laboratory, USDA-ARS, P.O. Drawer 10, Bushland, TX 79012-0010, (2)USDA-ARS Hydrology & Remote Sensing Laboratory, Bldg. 007 Rm. 104, Beltsville, MD 20705, (3)USDA-ARS, National Lab for Agriculture and the Environment, 2110 University Blvd, Ames, IA 50011-3120, (4)Department of Civil and Environmental Engineering, Colorado State University, 1372 Campus Delivery, Fort Collins, CO 80523-1372, Steve.Evett@ars.usda.gov
 
3:25 PM
Break
9
3:40 PM
LINKING EPISODIC RECHARGE ASSESSMENT WITH STORM CLASSIFICATION
GATES, John B., NASTA, Paolo and HOUSTON, Adam, Department of Earth and Atmospheric Sciences, University of Nebraska-Lincoln, 217 Bessey Hall, Lincoln, NE 68502, jgates2@unl.edu
10
3:55 PM
TRANSITIONARY BIOMES AND THE VERTICAL FLUX OF WATER IN SEMIARID RANGELANDS
CALDWELL, Todd G., Jackson School of Geosciences, University of Texas at Austin, Bureau of Economic Geology, Univesity Station, Box X, Austin, TX 78758, YOUNG, Michael, Bureau of Economic Geology, University of Texas at Austin, University Station, Box X, Austin, TX 78712 and WILCOX, Bradford Paul, Ecosystem Science and Management, Texas A&M University, College Station, TX 77843, todd.caldwell@beg.utexas.edu
11
4:15 PM
NUMERICAL MODELING OF VADOSE ZONE PROCESSES (WITH FOCUS ON THE LATEST HYDRUS SOFTWARE PACKAGES)
SIMUNEK, Jirka, Department of Environmental Sciences, University of California-Riverside, Riverside, CA 92521, ?EJNA, Miroslav, PC-Progress, Ltd, Prague 2, 120 00, Czech Republic, JACQUES, Diederik, Performance Assessments, Belgian Nuclear Research Institute, Mol, B-2400, Belgium, LANGERGRABER, Guenter, Institute for Sanitary Engineering and Water Pollution Control, University of Natural Resources and Life Sciences, Vienna, A-1190, Austria, BRADFORD, Scott A., US Salinity Laboratory, USDA, ARS, Riverside, CA 92507 and VAN GENUCHTEN, Martinus T., Department of Mechanical Engineering, COPPE/LTTC, Federal University of Rio de Janeiro, UFRJ, Rio de Janeiro, 21945-970, Brazil, Jiri.Simunek@ucr.edu
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