2014 GSA Annual Meeting in Vancouver, British Columbia (19–22 October 2014)

Session No. 78
Sunday, 19 October 2014: 1:00 PM-5:00 PM
109 (Vancouver Convention Centre-West)

T155. The Role of Groundwater in the Eutrophication of Surface Waters

GSA Hydrogeology Division; GSA Environmental and Engineering Geology Division; Geochemical Society; GSA Geobiology & Geomicrobiology Division
James W. Roy, Kerry T.B. MacQuarrie Sr and Clare E. Robinson, Advocates
Paper #
Start Time
1:00 PM
COASTAL AND SUBMARINE GROUNDWATER DISCHARGE: NITROGEN BIOGEOCHEMISTRY AND ROLE IN EUTROPHICATION
KROEGER, Kevin D., U.S. Geological Survey, Woods Hole Coastal and Marine Science Center, Woods Hole, MA 02543, kkroeger@usgs.gov
1:20 PM
RELATIONSHIP BETWEEN THE PHYSICAL AND BIOGEOCHEMICAL DYNAMICS IN THE SHALLOW FRESHWATER-SALTWATER MIXING ZONE OF AN INTERTIDAL BEACH AQUIFER (CAPE HENLOPEN, DELAWARE)
KIM, Kyra H.K., Geological Sciences, University of Delaware, 700 Pilottown Road, Rm 113-F, Lewes, DE 19958, MICHAEL, Holly A., Department of Geological Sciences, University of Delaware, 255 Academy Street, Newark, DE 19716 and ULLMAN, William, School of Marine Science and Policy, University of Delaware, Lewes, DE 19958, kyrakim@udel.edu
1:35 PM
INFLUENCE OF OCEANIC FORCING ON NUTRIENT PROCESSING IN A NEARSHORE AQUIFER
ROBINSON, Clare E. and ANWAR, Nawrin, Department of Civil and Environmental Engineering, The University of Western Ontario, Spencer Engineering Building, London, ON N6A 5B9, Canada, crobinson@eng.uwo.ca
1:50 PM
DEGRADATION STATE OF CARBON IN GROUNDWATERS DISCHARGING THROUGH A SANDY BEACH
COUTURIER, Mathilde1, LEMAY-BORDUAS, Frederike1 and CHAILLOU, Gwenaelle2, (1)Canada research chair geochemistry of coastal hydrogeosystem, Université du Québec à Rimouski, Rimouski, QC G5L3A1, Canada, (2)Biologie, Chimie, Géographie, Université du Québec à Rimouski (UQAR), 300 Allée des Ursulines, Rimouski, QC G5L 3A1, Canada, Mathilde.Couturier@uqar.ca
2:05 PM
DYNAMIC SURFACE WATER-GROUNDWATER INTERACTIONS AND NITROGEN CYCLING IN A TIDALLY INFLUENCED RIVER
MUSIAL, Cole1, SAWYER, Audrey H.2, BARNES, Rebecca3, BRAY, Samuel3 and KNIGHTS, Deon4, (1)Earth and Environmental Sciences, The University of Kentucky, Lexington, KY 40502, (2)School of Earth Sciences, The Ohio State University, 12, Columbus, OH 43210, (3)Environmental Science, Colorado College, Colorado Springs, CO 80903, (4)School of Earth Sciences, The Ohio State University, 054 Mendenhall Laboratory, South Oval Mall, Columbus, OH 43210, cole.musial@uky.edu
2:20 PM
IMPACTS OF STREAM RESTORATION ON SURFACE WATER-GROUNDWATER INTERACTIONS, STREAMBED REDOX CONDITIONS, AND NUTRIENT DYNAMICS
LAUTZ, Laura K.1, GORDON, Ryan P.1, ZIMMER, Margaret2 and DANILUK, Timothy L.3, (1)Department of Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, NY 13244, (2)Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse University, Syracuse, NY 13244, (3)Department of Earth Sciences, Syracuse University, Syracuse, NY 13244, lklautz@syr.edu
2:40 PM
THE INFLUENCE OF DIFFUSE RECHARGE AND INTRUDING RIVER WATER ON OXYGEN AND NITRATE CONCENTRATIONS AT TWO KARST SPRINGS
BROWN, Amy L.1, MARTIN, Jonathan B.2, SCREATON, Elizabeth3 and EZELL, John1, (1)Department of Geological Sciences, University of Florida, 241 Williamson Hall, PO Box 112120, Gainesville, FL 32611-2120, (2)Department of Geological Sciences, University of Florida, 241 Williamson Hall, P.O. Box 112120, Gainesville, FL 32611-2120, (3)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, amy.brown@ufl.edu
2:55 PM
COMPARISON OF SURFACE AND GROUNDWATER NUTRIENT LEVELS AND IMPACTS ON NET PRIMARY PRODUCTION IN SOUTHERN APPALACHIAN FENS
MAGUIGAN, Michael A., Geosciences, Mississippi State University, 108 Hilbun, Mississippi State, MS 39762, mam1143@msstate.edu
 
3:10 PM
Break
3:25 PM
A MULTI-SCALE INVESTIGATION OF GROUNDWATER-CONTROLLED PHOSPHOROUS LOADING TO A EUTROPHIC LAKE:  A FIELD STUDY USING HYDROCHEMICAL TRACERS AND NUMERICAL ANALYSIS
ENGESGAARD, Peter1, KAZMIERCZAK, Jolanta1, MUELLER, Sascha1, CZEKAJ, Joanna2, SEBOK, Eva1, DUQUE, Carlos3, KIDMOSE, Jacob4, KARAN, Sachin1, JESSEN, Soeren1 and POSTMA, Dieke5, (1)Department of Geosciences and Natural Resources Management, University of Copenhagen, Oester Voldgade 10, Copenhagen, 1350 K, Denmark, (2)Department of Hydrogeology and Engineering Geology, University of Silesia, ul. Będzińska 60, Sosnowiec, 41-200, Poland, (3)Department of Geosciences, University of Oslo, Sem Sælands vei 1, Oslo, 0371, (4)Hydrology, Geological Survey of Denmark and Greenland, Østervoldgade 10, Copenhagen K, 1350, Denmark, (5)Department of Geochemistry, Geological Survey of Denmark and Greenland, Oester Voldgade 10, Copenhagen, 1350 K, Denmark, pe@ign.ku.dk
3:45 PM
INFLUENCE OF GLACIAL LANDFORM AND LANDSCAPE POSITION ON GROUNDWATER AND PHOSPHORUS DYNAMICS OF SHALLOW LAKES ON THE BOREAL PLAINS
PLACH, Janina M.1, FERONE, Jenny-Marie2, GIBBONS, Zabrina2, SMERDON, Brian3, ADHIKARI, Achyut2, MENDOZA, Carl4, PETRONE, Richard M.1 and DEVITO, Kevin2, (1)Department of Geography & Environmental Management, University of Waterloo, Waterloo, ON N2L 3G1, (2)Biological Sciences, University of Alberta, 1-277 Centennial Centre for Interdisc Science, University of Alberta, Edmonton, AB T6G 2R3, (3)Alberta Geological Survey, Edmonton, (4)Earth & Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB T6G 2E3, janinaplach@gmail.com
4:00 PM
GROUNDWATER QUALITY AT BEACHES OF THE GREAT LAKES: CHARACTERIZATION AND PROCESSES
REZANEZHAD, Fereidoun1, VAN CAPPELLEN, Philippe2, ROBINSON, Clare E.3, SMEATON, Christina1, BACCA-CORTES, Gabriel1, MALOTT, Spencer3 and O'CARROLL, Denis3, (1)Earth and Environmental Sciences, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada, (2)Earth and Envrionmental Sciences, University of Waterloo, 200 University Ave. W, Waterloo, ON N2L 3G1, Canada, (3)Department of Civil and Environmental Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada, frezanez@uwaterloo.ca
4:15 PM
GROUND WATER NUTRIENT LOADING TO SURFACE WATERS, HELENA VALLEY, MONTANA
SWIERC, James, Lewis & Clark County, Water Quality Protection District, 316 North Park Ave, Room 220, Helena, MT 59623, jswierc@lccountymt.gov
4:30 PM
PHOSPHORUS IN DISCHARGING GROUNDWATER ALONG WASAGA BEACH: DECOMMISSIONED SEPTIC SYSTEMS AND OTHER SOURCES
ROY, James W.1, SPOELSTRA, John1 and ROBERTSON, William D.2, (1)National Water Research Institute, Environment Canada, Burlington, ON L7R 4A6, Canada, (2)Department of Earth and Environmental Science, University of Waterloo, Waterloo, ON N2L3G1, Canada, jim.roy@ec.gc.ca
78-14
4:45 PM
Withdrawn
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