B44D:
Variation in Dissolved Organic Matter Composition and Transport as Indicators of Ecological, Hydrological, and Watershed Processes III

Thursday, 18 December 2014: 4:00 PM-6:00 PM
Chairs:  George Aiken, USGS Colorado Water Science Center Boulder, Boulder, CO, United States and Brian A Bergamaschi, California State University Sacramento, Sacramento, CA, United States
Primary Conveners:  George Aiken, USGS, Boulder, CO, United States
Co-conveners:  Brian A Bergamaschi, USGS-Calif State University, Sacramento, CA, United States, Yuehan Lu, University of Alabama, Tuscaloosa, AL, United States and Elizabeth A Canuel, Virginia Inst Marine Sciences, Gloucester Point, VA, United States
OSPA Liaisons:  Yuehan Lu, University of Alabama, Tuscaloosa, AL, United States

Abstracts Submitted to this Session:

4:00 PM
B44D-01
 
Evolving Human Alteration of the Carbon Cycle: the Watershed Continuum
Sujay Kaushal1, Katie Delaney Newcomb2, Tarmara Newcomer Johnson1, Michael J Pennino1, Rose Marie Smith1, Jake J Beaulieu3, Kenneth Belt4, Melissa Grese1, Joel Blomquist5, Shuiwang Duan6, Stuart Findlay7, Gene Likens7, Paul M Mayer8, Sudhir Murthy9, Ryan Utz10 and Metthea Yepsen6, (1)University of Maryland College Park, College Park, MD, United States, (2)US Forest Service Portland, Portland, OR, United States, (3)Environmental Protection Agency Cincinnati, Cincinnati, OH, United States, (4)US Forest Service Cockeysville, Cockeysville, MD, United States, (5)USGS Maryland/Delaware/District of Columbia Water Science Center, Baltimore, MD, United States, (6)University of Maryland, College Park, MD, United States, (7)Cary Institute of Ecosystem Studies, Millbrook, NY, United States, (8)Environmental Protection Agency Corvallis, Corvallis, OR, United States, (9)DC Water, Washington DC, United States, (10)National Ecological Observatory Network, Boulder, CO, United States
4:15 PM
B44D-02
 
Do soils loose phosphorus with dissolved organic matter?
Klaus Kaiser1, Dominik Brödlin2 and Frank Hagedorn2, (1)Martin Luther University of Halle-Wittenberg, Soil Sciences, Halle, Germany, (2)WSL Swiss Federal Institute for Forest, Snow and Landscape Research, Biogeochemistry Group, Birmensdorf, Switzerland
4:30 PM
B44D-03
 
Evidence for Direct Transfer of Carbon from Surface Litter to Subsoil in Well-Developed Spodosols of Northern Michigan, USA
David Rothstein, Michigan State University, Department of Forestry, East Lansing, MI, United States, Ehsan R Toosi, Michigan State University, Department of Plant, Soil and Microbial Sciences, East Lansing, MI, United States, Randall Schaetzl, Michigan State University, East Lansing, MI, United States and Stuart Grandy, University of New Hampshire, Durham, NH, United States
4:45 PM
B44D-04
 
CARBON METABOLISM, UPTAKE KINETICS, AND EXPORT: HOW WATERSHED FORM INFLUENCES CARBON MOBILIZATION AND IN-STREAM TRANSFORMATIONS IN HEADWATER CATCHMENTS
Erin Cedar Seybold and Brian L McGlynn, Duke University, Nicholas School of the Environment, Durham, NC, United States
5:00 PM
B44D-05
 
The quality and quantity of DOC: Ecological and biogeochemical significance in a nested boreal stream network
Hjalmar Laudon, SLU Swedish University of Agricultural Sciences Umeå, Umeå, Sweden
5:15 PM
B44D-06
 
A Multiyear Study of the Variability in Organic Matter Concentration and Composition in a Flashy Temperate Stream
Elizabeth C Minor1, Megan J. Macdonald2 and Prosper Kojo Zigah2, (1)University of Minnesota Duluth, Large Lakes Observatory and Dept of Chemistry and Biochemistry, Duluth, MN, United States, (2)University of Minnesota, Water Resources Science and Large Lakes Observatory, Duluth, MN, United States
5:30 PM
B44D-07
 
Shades of Brown: Changes in dissolved organic matter (DOM) with storm-event and seasonal hot moments
Shreeram P Inamdar1, Shatrughan Singh1 and Myron J Mitchell2, (1)University of Delaware, Newark, DE, United States, (2)SUNY, Syracuse, NY, United States
5:45 PM
B44D-08
 
Making Sense of Sensors: Stream Carbon Flux Determination at the Five USGS WEBB Watersheds
James B Shanley1, JohnFranco Saraceno2, Mark Dornblaser3, Brent T Aulenbach4, Alisa Mast5, David W Clow5, John F Walker6, Krista Hood6, Kimberly Wickland7, Brian A Pellerin8, George Aiken9, John T Crawford10 and Robert G Striegl11, (1)USGS, Montpelier, VT, United States, (2)USGS CAWSC, Sacramento, CA, United States, (3)US Geological Survey, Boulder, CO, United States, (4)USGS, Georgia Water Science Center, Norcross, GA, United States, (5)USGS Colorado Water Science Center Denver, Denver, CO, United States, (6)USGS, Middleton, WI, United States, (7)USGS, Baltimore, MD, United States, (8)USGS California Water Science Center Sacramento, Sacramento, CA, United States, (9)USGS Colorado Water Science Center Boulder, Boulder, CO, United States, (10)University of Wisconsin Madison, Center for Limnology, Madison, WI, United States, (11)USGS WRD, Boulder, CO, United States
 
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