TP-051

MERCURY FATE AND CYCLING IN RIVER SEDIMENT FOLLOWING A FLY ASH RELEASE IN THE DAN RIVER, USA

Authors: HEYES, Andrew 1 ; GOFSTEIN, Taylor 2 ;
(1) University of Maryland Center for Environmental Science, Solomons Maryland, United States; (2) University of Alaska Fairbanks, Fairbanks Alaska, United States

TP-052

VERTICAL AND SEASONAL VARIATION OF MERCURY METHYLATION AND SPECIATION IN A EUTROPHIC KETTLE LAKE

Authors: AGATHER, Alison 1 ; HAMMERSCHMIDT, Chad 1 ;
(1) Wright State University, Dayton, OH, USA

TP-053

UPTAKE AND VOLATILIZATION OF GASEOUS ELEMENTAL MERCURY BY PADDY RICE

Authors: DENG, Hong 1 ;
(1) School of Ecology and Environmental Science, East China Normal University, Shanghai, China

TP-054

SINK OR SOURCE? MERCURY LOADS INTO AND OUT OF THE SEASONALLY STRATIFIED HELLS CANYON RESERVOIR COMPLEX, IDAHO AND OREGON, USA

Authors: BALDWIN, Austin K . 1 ; CLARK, Gregory M . 1 ; NAYMIK, Jesse 2 ; MYERS, Ralph 2 ; HOOVESTOL, Charles 2 ; KRABBENHOFT, David 3 ; EAGLES-SMITH, Collin 4 ; MARVIN-DIPASQUALE, Mark 5 ; POULIN, Brett 6 ; AIKEN, George 6 ;
(1) U.S. Geological Survey, Boise ID; (2) Idaho Power Company, Boise ID; (3) U.S. Geological Survey, Middleton WI; (4) U.S. Geological Survey, Corvallis OR; (5) U.S. Geological Survey, Menlo Park CA; (6) U.S. Geological Survey, Boulder CO

TP-055

VERNAL POOLS AS METHYLMERCURY SOURCES TO FOREST FOOD WEBS: EXPORT VIA EMERGENT INSECTS

Authors: BENOIT, Jani 1 ; HERZOG, Amanda 1 ; BARROWS, Jessica 1 ; CATO, Deborah 1 ;
(1) Wheaton College, Norton, MA, USA

TP-056

MERCURY DISTRIBUTION AND VARIATION IN LAKE ERIE

Authors: LIZNICK, Kaylin 1 ; BRANFIREUN, Brian 1 ; BHAVSAR, Satyendra 2 ;
(1) University of Western Ontario, Ontario, Canada; (2) Ontario Ministry of the Environment and Climate Change, Ontario, Canada

TP-057

FRESH HUMIC AND ALGAL DERIVED ORGANIC MATTER ENHANCES METHYLMERCURY PRODUCTION IN BEAVER PONDS

Authors: BRAVO, Andrea 1 ; HERRERO-ORTEGA, Sonia 1 ; CATALÁN, Núria 1 ; GRÖNTOFT, Hannes 1 ; GEIR HILMARSSON, Torfi 1 ; BERTILSSON, Stefan 1 ; WU, Pianpian 2 ; BJÖRN, Erik 3 ; BISHOP, Kevin 2 ;
(1) Uppsala University, Uppsala, Sweden; (2) Swedish University of Agricultural Sciences, Uppsala, Sweden; (3) Umeå University, Umeå, Sweden

TP-058

THE INFLUENCE OF INUNDATION AND LAKE MORPHOMETRY ON THE DYNAMICS OF MERCURY IN THE WATER AND PLANKTON IN AN AMAZON FLOODPLAIN LAKE

Authors: BRITO, Brendson 1 ; FORSBERG, Bruce 2 ; KASPER, Daniele 2 ; AMARAL, João 2 ; VASCONCELOS, Moema 2 ; SOUSA, Otávio 2 ; BASTOS, Wanderley 3 ;
(1) Insituto Federal do Pará - Campus Itaituba, Itaituba, Pará, Brazil; (2) Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, Brazil; (3) Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil

TP-059

INFLUENCES OF COMPOSITION AND CONCENTRATION OF DISSOLVED ORGANIC MATTER ON THE DISSOLVED GASEOUS MERCURY PRODUCTION IN LAKE SURFACE WATER

Authors: YANG, Jisook 1 ; HAN, Seunghee 1 ;
(1) GIST, Gwangju/Buk-gu, Republic of Korea

TP-060

MERCURY GEOCHEMISTRY IN A UNIQUE TROPICAL AGRICULTURAL WETLAND ECOSYSTEM, INDIA

Authors: CHERIAN, Navya 1 ; ARUNBABU, V . 1 ; MOHAN, Mahesh 1 ;
(1) Mahatma Gandhi University, Kottayam, Kerala, India

TP-061

DISTRIBUTION OF THG AND MEHG IN THE WATERS OF THE MADEIRA RIVER, BRAZILIAN AMAZON

Authors: CEOLIN BAIA, Célia 1 ; ALEIXO DA COSTA JÚNIOR, Walkimar 1 ; APARECIDA DA SILVA OLIVEIRA, Iuri 1 ; DE SOUZA BARBOSA, Melissa 1 ; RODRIGUES BASTOS, Wanderley 1 ;
(1) Universidade Federal de Rondônia, Porto Velho, Brasil

TP-062

HG AND MMHG CYCLING IN THE THAW LAKE SYSTEM OF QINGHAI-TIBET PLATEAU

Authors: CI, Zhijia 1 ; PENG, Fei 2 ; XUE, Xian 2 ; ZHANG, Xiaoshan 1 ;
(1) Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing , China; (2) Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou/Gansu, China

TP-063

EROSION, NOT CONTAMINATION, DRIVE HIGH MERCURY CONCENTRATIONS IN THE RED DEER RIVER (ALBERTA, CANADA)

Authors: COOKE, Colin 1 ; KERR, Jason 1 ;
(1) Alberta Environment and Parks, Edmonton, Alberta, Canada

TP-064

ABIOTIC REDUCTION OF MERCURY(II) IN SULFIDIC SUSPENSIONS: EFFECTS OF DISSOLVED ORGANIC MATTER

Authors: COULIBALY, Mariame 1 ; JONSSON, Sofi 2 ; MAZRUI, Nashaat 2 ; MASON, Robert 2 ;
(1) Ecole Normale Superieure, Abidjan, Cote d'Ivoire; (2) University of Connecticut, Connecticut, U.S

TP-065

DISSOLVED ORGANIC CARBON (DOC) MODULATES THE SOLUBILITY AND BIOAVAILABILITY OF MERCURY AND METHYLMERCURY IN THE EVERGLADES (USA)

Authors: DIERBERG, Forrest 1 ; POTTS, Janelle 1 ; DEBUSK, Thomas 1 ; LARSON, Nichole 1 ; JERAULD, Mike 1 ; SIERER FINN, Dawn 1 ; HILEMAN, Karen 1 ;
(1) DB Environmental, Inc., Rockledge, FL, USA

TP-066

BIOACCUMULATION OF METHYLMERCURY IN LARGEMOUTH BASS FROM MISSOURI FARM PONDS

Authors: DILEK, Sophie 1 ; ANDERSEN, Marc 1 ; NEWTON, Robert 1 ; MERRITT, Robert 1 ;
(1) Smith College, Northampton, MA, United States

TP-067

MERCURY CHEMICAL FORMS IN AMAZON WATERS: BLACK, WHITE AND CLEAR

Authors: VIEIRA, Miguel 1 ; BERNARDI, José 1 ; DÓREA, José 1 ; ROCHA, Bruno 2 ; ZARA, Luis 1 ;
(1) University of Brasília, Brasília, Brazil; (2) UNESP, Araraquara, SP, Brazil

TP-068

SANITARY SEWER OVERFLOWS IN SOUTH CAROLINA AND THEIR IMPACT ON MERCURY AND METAL CYCLING

Authors: EMMONS, Alison 1 ; BIZIMIS, Michael 1 ; LANG, Susan 1 ; STANGLER, Bill 2 ; ROTHENBERG, Sarah 1 ;
(1) University of South Carolina, Columbia/South Carolina, United States of America; (2) Congaree Riverkeeper, Columbia/South Carolina, University of South Carolina

Abstract not available.

TP-069

EFFECTS OF MOLECULAR SIZE FRACTION OF DOM ON PHOTODEGRADATION OF METHYLMERCURY IN WATER

Authors: ZOH, Kyung-Duk 1 ; KIM, Moon-Kyung 1 ; LEE, Youngmin 1 ;
(1) Seoul National University, Seoul, South Korea

TP-070

MERCURY BIOAVAILABILITY FOR METHYLATION DECLINES RAPIDLY AFTER DEPOSITION TO SEDIMENTS

Authors: GILMOUR, Cynthia 1 ; HEYES, Andrew 2 ; BELL, James 1 ; REARICK, Michael 3 ; MILLER, Carrie 4 ; ENGSTROM, Daniel 5 ; KELLY, Carol 6 ; RUDD, John 6 ; HINTELMANN, Holger 7 ; KRABBENHOFT, David 8 ; SANDILANDS, Ken 9 ; HARRIS, Reed 10 ;
(1) Smithsonian Environmental Res Ctr., Edgewater, United States; (2) U. Maryland, Center for Environ. Sci., Solomons, United States; (3) Los Alamos National Lab., Los Alamos, NM, United States; (4) Troy U., Troy, AL, United States; (5) St. Croix Watershed Research Station, Marine on St. Croix, MN, United States; (6) R&K Research, Salt Spring Island, BC, Canada; (7) Trent U., Peterborough, Canada; (8) USGS, Middleton, WI, United States; (9) IISD-ELA, Winnipeg, MB, Canada; (10) Reed Harris Environmental Ltd., Oakville, ON, Canada

TP-071

DETERMINING THE EXTENT, RATE AND MECHANISMS OF MERCURY RELEASE FROM CONTAMINATED STREAMBANK DETERMINING THE EXTENT, RATE AND MECHANISMS OF MERCURY RELEASE FROM CONTAMINATED STREAMBANK SOILS

Authors: GOÑEZ-RODRIGUEZ, Leroy 1 ; DICKSON, Johnbull 2 ; MEHLHORN, Tonia 3 ; PIERCE, Eric 3 ; ESKELSEN, Jeremy 3 ; JOHS, Alex 3 ; BROOKS, Scott 3 ; LÖFFLER, Frank 4 ; PETERSON, Mark 3 ; MAYES, Melanie 3 ;
(1) University of Tennessee, Knoxville/TN, USA; (2) Savannah River National Laboratory, Aiken/SC, USA; (3) Oak Ridge National Laboratory, Oak Ridge/TN, USA; (4) University of Tennessee, Oak Ridge/TN, USA

TP-072

METHYLMERCURY PRODUCTION IN SURFACE SEDIMENTS AND EXCHANGES WITH OVERLYING WATER OF LAKE TITICACA (BOLIVIA)

Authors: GUEDRON, Stéphane 1 ; AUDRY, Stéphane 2 ; ACHA, Dario 3 ; BOUCHET, Sylvain 4 ; HEREDIA, Carlos 5 ; POINT, David 6 ; THEBAULT, Julien 7 ; CHAUVAUD, Laurent 7 ; AMOUROUX, David 4 ;
(1) ISTerre, Université Grenoble Alpes, Institut de Recherche pour le Développement (IRD) , Grenoble, France; (2) Géosciences Environnement Toulouse, Toulouse, France; (3) UMSA/LCA, La Paz, Bolivia; (4) IPREM-LCABIE, Pau, France; (5) UMSA, La Paz, Bolivia; (6) IRD/GET, Toulouse, France; (7) LEMAR- Laboratoire des sciences de l’environnement marin, Brest, France

TP-074

UNCERTAINTY ANALYSIS FOR A MERCURY CYCLING MODEL USING THE MARKOV CHAIN MONTE CARLO (MCMC) BAYESIAN APPROACH

Authors: HENDRICKS, Ashley 1 ; URBAN, Noel 1 ;
(1) Michigan Technological University, Houghton, United States

TP-075

STAYING FAR FROM THE SUN: HOW HELIOBACTERIA REDUCE MERCURY IN THE DARK

Authors: GRÉGOIRE, Daniel 1 ; POULAIN, Alexandre 1 ;
(1) University of Ottawa, Ottawa, Ontario, Canada

TP-076

SEASONAL PATTERNS IN MERCURY DYNAMICS AT THE BASE OF TWO CONTRASTING BOREAL LAKE FOOD WEBS

Authors: HOEL, Cathrine 1 ; POSTE, Amanda 2 ; ANDERSEN, Tom 1 ; BORGÅ, Katrine 1 ;
(1) Department of Bioscience, University of Oslo (IBV/UIO), Oslo, Norway; (2) The Norwegian Institute for Water Research (NIVA), Oslo, Norway

TP-077

METHYLMERCURY AND DOM: IMPLICATIONS FOR MERCURY CONTAMINATION

Authors: KLAPSTEIN, Sara 1 ; RISK, David 2 ; ZIEGLER, Susan 3 ; O'DRISCOLL, Nelson 1 ;
(1) Acadia University, Wolfville, Nova Scotia, Canada; (2) St. Francis Xavier University, Antigonish, Nova Scotia, Canada; (3) Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada

TP-078

PREDICTION OF METHYLMERCURY PHOTODEMETHYLATION IN FRESHWATER LAKES

Authors: KLAPSTEIN, Sara 1 ; RISK, David 2 ; ZIEGLER, Susan 3 ; O'DRISCOLL, Nelson 1 ;
(1) Acadia University, Wolfville, Nova Scotia, Canada; (2) St. Francis Xavier University, Antigonish, Nova Scotia, Canada; (3) Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada

TP-079

IMPACT OF SEDIMENT CHEMISTRY AND SOLID-PHASE MERCURY SPECIATION ON MERCURY BIOAVAILABILITY IN THE ST. LOUIS RIVER ESTUARY

Authors: KNEER, Marissa 1 ; WHITE, Amber 2 ; ROLFHUS, Kristofer 3 ; JEREMIASON, Jeff 4 ; JOHNSON, Nathan 2 ; GINDER-VOGEL, Matthew 1 ;
(1) University of Wisconsin - Madison, Madison, Wisconsin, United States of America; (2) University of Minnesota Duluth, Duluth, Minnesota, United States of America; (3) University of Wisconsin - La Crosse, La Crosse, Wisconsin, United States of America; (4) Gustavus Adolphus College, Saint Peter, Minnesota, United States of America

TP-080

CYANOBACTERIA AS REGULATORS OF METHYLMERCURY PRODUCTION IN PERIPHYTON

Authors: LÁZARO, Wilkinson 1 ; DÍEZ, Sergi 2 ; GUIMARÃES, Jean 3 ;
(1) Universidade do Estado de Mato Grosso, Cáceres-MT, Brazil; (2) Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDÆA—CSIC), Barcelona, Spain; (3) Laboratório de Traçadores, IBCCF, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil

TP-081

THE TWIN CRATER LAKES OF NEWBERRY VOLCANO, OR: TWO LAKES, TWO POISONS

Authors: LEFKOWITZ, Jared 1 ; VAREKAMP, Johan 2 ; BALCOM, Prentiss 3 ;
(1) Earth & Env. Sciences, Wesleyan University, Middletown, CT, USA; (2) Wesleyan University, Middletown, CT, USA; (3) Marine Sciences, Univ. of Connecticut, Avery Point, Groton, CT, USA

TP-082

MERCURY AND METHYLMERCURY YIELDS FROM RIVERS IN NORTHERN MINNESOTA, USA

Authors: MONSON, Bruce 1 ; BUTZER, Andrew 2 ; ASHIAMAH, Evelyn 2 ; HALVORSON, Danni 3 ; ULVEN, Andrew 3 ; JAHNZ, James 1 ; TEDROW, O 'Niell 4 ;
(1) Minnesota Pollution Control Agency, Saint Paul, MN, USA; (2) Minnesota Pollution Control Agency, Detroit Lakes, MN, USA; (3) International Water Institute, Fargo, ND, USA; (4) Vermilion Community College, Ely, MN, USA

TP-083

MERCURY METHYLATION AND DEMETHYLATION ACROSS DIFFERENT RIPARIAN LANDSCAPES

Authors: NG, Kevin 1 ; JOHNSON, Nathan 2 ; JEREMIASON, Jeff 3 ; MITCHELL, Carl 1 ;
(1) University of Toronto Scarborough, Toronto, Canada; (2) University of Minnesota Duluth, Duluth, MN, USA; (3) Gustavus Adolphus College, Saint Peter, MN, USA

TP-084

METHYLMERCURY IN GREAT LAKES WATER, SESTON, AND BIOTA

Authors: OGOREK, Jacob 1 ; KRABBENHOFT, David 1 ; DEWILD, John 1 ; TATE, Michael 1 ; LEPAK, Ryan 2 ; WARREN, Glenn 3 ; NETTESHEIM, Todd 3 ;
(1) US Geological Survey, Middleton, WI, United States; (2) UW Madison, Madison, WI, United States; (3) US Environmental Protection Agency, Chicago, IL, United States

TP-085

INFLUENCE OF TIME DEPENDENT HG(II) REACTIVITY ON THE ESTIMATION OF METHYLATION AND DEMETHYLATION POTENTIALS

Authors: OLSEN, Todd 1 ; MULLER, Katherine 1 ; PAINTER, Scott 1 ; BROOKS, Scott 1 ;
(1) Oak Ridge National Laboratory, Oak Ridge/TN, United States

TP-086

MONITORING OF MERCURY IN CATSKILL REGION FISH

Authors: PARKER, Colleen 1 ; YOKOTA, Kiyoko 1 ; DRISCOLL, Charles 2 ; MONTESDEOCA, Mario 2 ; TAYLOR, Mariah 2 ; MILLARD, Geoffrey 2 ; SHAW, Amy 2 ;
(1) SUNY College at Oneonta, Oneonta, NY, United States; (2) Syracuse University, Syracuse, NY, United States

TP-087

MERCURY BINDING TO DOM PROBED BY AN E. COLI FLUORESCENT BIOREPORTER

Authors: PETERS, Stephen 1 ; WHITEASH, Rebecca 1 ; MORRIS, Donald 1 ;
(1) Lehigh University, Bethlehem, PA, USA

TP-088

LONG-TERM INCREASES IN TOTAL ORGANIC CARBON AND TOTAL MERCURY CONCENTRATIONS IN A STREAM DRAINING A NORTHERN PEATLAND.

Authors: SEBESTYEN, Stephen 1 ; KOLKA, Randall 1 ; COLEMAN-WASIK, Jill 2 ; ENGSTROM, Dan 3 ; JEREMIASON, Jeff 4 ; MITCHELL, Carl 5 ; NATER, Edward 6 ; TSUI, Martin 7 ;
(1) USDA Forest Service, Grand Rapids, MN, USA; (2) University of Wisconsin, River Falls, WI, USA; (3) St. Croix Watershed Research Station, Marine on St. Croix, MN, USA; (4) Gustavus Adolphus College, St. Peter, MN, USA; (5) University of Toronto, Scarborough, Ontario, Canada; (6) University of Minnesota, St. Paul, MN, USA; (7) University of North Carolina, Greensboro, NC, USA

TP-089

MERCURY METHYLATION IN RESERVOIRS OF NORTHERN MANITOBA, CANADA: EFFECTS OF HYDROELECTRIC REGULATION AND CLIMATE CHANGE

Authors: SINGER, James 1 ; MUNSON, Kathleen 1 ; WANG, Feiyue 1 ;
(1) CEOS/University of Manitoba, Winnipeg/Manitoba, Canada

TP-090

MERCURY IN A PRISTINE ANDEAN PATAGONIAN CATCHMENT (SOUTHERN VOLCANIC ZONE, ARGENTINA): SPECIES OCCURRENCE AND INTERACTION WITH DISSOLVED ORGANIC MATTER WITHIN A FLUVIAL NETWORK

Authors: SOTO CÁRDENAS, Carolina 1 ; DIÉGUEZ, María 1 ; QUEIMALIÑOS, Claudia 1 ; RIZZO, Andrea 2 ; FAJON, Vesna 3 ; KOTNIK, Jo že 3 ; HORVAT, Milena 3 ; RIBEIRO GUEVARA, Sergio 2 ;
(1) INIBIOMA, UNComahue-CONICET, San Carlos de Bariloche, Argentina; (2) CAB-CNEA, San Carlos de Bariloche, Argentina; (3) Jožef Stefan Institute, Lubjana , Slovenia

TP-091

BIOLOGICAL AND GEOCHEMICAL CONTROLS OF MERCURY METHYLATION IN MEROMICTIC LAKES

Authors: TODOROVA, Svetoslava 1 ; GREGOIRE, Daniel 2 ; POULAIN, Alexandre 2 ; GREEN, Hayatt 3 ;
(1) Syracuse University, NY, USA; (2) University of Ottawa, Ontario, Canada; (3) SUNY Environmental Science and Forestry, NY, USA

TP-092

METHYLMERCURY HOTSPOTS AND CYCLING ACROSS TERRESTRIAL AND AQUATIC COMPARTMENTS OF A HIGH ARCTIC SUB-CATCHMENT

Authors: VARTY, Stephanie 1 ; LEHNHERR, Igor 1 ; ST. PIERRE, Kyra 2 ; KIRK, Jane 3 ; WISNIEWSKI, Victoria 1 ;
(1) University of Toronto Mississauga, Mississauga, Ontario, Canada; (2) University of Alberta, Edmonton, Alberta, Canada; (3) Environment and Climate Change Canada, Burlington, Ontario, Canada

TP-094

METHYLMERCURY PHOTO-DEGRADATION RATES IN SURFACE WATERS OF THE SAN FRANCISCO BAY DELTA ESTUARY

Authors: BYINGTON, Amy 1 ; HEIM, Wesley 1 ; COALE, Kenneth 1 ; WEISS-PENZIAS, Peter 2 ; STEPHENSON, Mark 1 ; GILL, Gary 3 ; NEGREY, John 4 ;
(1) Moss Landing Marine Laboratories, Moss Landing, CA, United States; (2) University of California Santa Cruz, Santa Cruz, CA, United States; (3) Pacific Northwest National Laboratory, Richland, WA, United States; (4) Moss Landing Marine Laboratories, Moss Landing/Ca, United States

TP-095

CLIMATOLOGICAL DRIVERS OF METHYLMERCURY PRODUCTION IN A HIGH GRADIENT STREAM

Authors: FLANDERS, JR 1 ; STAHL, Ralph 2 ; GROSSO, Nancy 2 ;
(1) AECOM, Conshohocken, PA, USA; (2) DuPont CRG, Wilmington, DE, USA