B33I:
Cryptic Cross-Linkages Among Biogeochemical Cycles: Novel Insights from the Perspective of Reactive Intermediates I

Wednesday, 17 December 2014: 1:40 PM-3:40 PM
Chairs:  Scott D Wankel, Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, MA, United States and Colleen M Hansel, Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, MA, United States
Primary Conveners:  Scott D Wankel, Harvard University, Woods Hole, MA, United States
Co-conveners:  Colleen M Hansel, Woods Hole Oceanographic Institution, Woods Hole, MA, United States
OSPA Liaisons:  Scott D Wankel, Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, MA, United States

Abstracts Submitted to this Session:

1:40 PM
B33I-01
 
Biogeochemistry of Sulfur Intermediates in Marine Sediments - Insights from Laboratory and Field Studies
Timothy G Ferdelman1, Jana Milucka1, Marcel MM Kuypers1, Jasmine Berg1, Caroline Buckner1, Jon Graf1, Lars Holmkvist1,2, Bo Barker Jørgensen3, Alexey Kamyshny1,4 and Laura Piepgras1, (1)Max Planck Institute for Marine Microbiology, Bremen, Germany, (2)Danish Technological Institute, Aarhus, Denmark, (3)Center for Geomicrobiology, Aarhus University, Dept. of Biosciences, Aarhus, Denmark, (4)Ben Gurion University of the Negev, Dept. of Geological and Environmental Sciences, Beer Sheva, Israel
1:55 PM
B33I-02
 
Cryptic Role of Zero-Valent Sulfur in Metal and Metalloid Geochemistry in Euxinic Waters
George R Helz, Univ Maryland, College Park, MD, United States
2:10 PM
B33I-03
 
Soluble Manganese(III) in the Marine Environment
George W Luther III1, Veronique Oldham2, Andrew Madison3, Bradley Tebo4, Matthew Jones4, Laramie Jensen5, Shannon Owings6, Alfonso Mucci7 and Bjorn Sundby7, (1)University of Delaware, Lewes, DE, United States, (2)College of Marine and Earth Studies, Lewes, DE, United States, (3)Golder Associates Inc., Geochemistry, Mt. Laurel, NJ, United States, (4)Oregon Health & Science University, Portland, OR, United States, (5)Carleton College, Chemistry, Northfield, MN, United States, (6)Georgia Institue of Technology, School of Earth and Atmospheric Sciences, Atlanta, United States, (7)McGill University, Montreal, QC, Canada
2:25 PM
B33I-04
 
Enzymatic Production of Extracellular Reactive Oxygen Species by Marine Microorganisms
Julia M Diaz, Peter F Andeer and Colleen M Hansel, Woods Hole Oceanographic Institution, Department of Marine Chemistry and Geochemistry, Woods Hole, MA, United States
2:40 PM
B33I-05
 
Shedding “Dark” on the Oxidation of Dissolved Organic Matter by Hydroxyl Radical in Arctic Soils and Surface Waters
Rose Merin Cory1, Sarah E Page2, George W Kling3, Kristopher McNeill4, Michael Sander4 and Katherine H Harrold1, (1)University of Michigan Ann Arbor, Earth & Environmental Sciences, Ann Arbor, MI, United States, (2)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (3)University of Michigan, Ann Arbor, MI, United States, (4)ETH-Zurich, Institute for Biogeochemistry and Pollutant Dynamics, Zurich, Switzerland
2:55 PM
B33I-06
 
Oxygen as Intermediate in Anoxic Environments: Nitrite-Dependent Methane Oxidation and Beyond
Katharina F. Ettwig, Radboud University Nijmegen, Nijmegen, Netherlands
3:10 PM
B33I-07
 
Isotope Effects Associated with N2O Production by Fungal and Bacterial Nitric Oxide Reductases: Implications for Enzyme Mechanisms
Eric L. Hegg1, Hui Yang1, Hasand Gandhi1, Ashley McQuarters2, Nicolai Lehnert2 and Nathaniel E Ostrom1, (1)Michigan State Univ, East Lansing, MI, United States, (2)University of Michigan Ann Arbor, Ann Arbor, MI, United States
3:25 PM
B33I-08
 
Microbial competition for N intermediates drives oscillating N loss from marine oxygen deficient zones
Justin Leonard Penn, Thomas S Weber and Curtis A Deutsch, University of Washington Seattle Campus, School of Oceanography, Seattle, WA, United States
 
See more of: Biogeosciences
<< Previous Session | Next Session >>