B22A:
From Land to Sea: Rivers as Integrated Signal of Watershed Processes, Climate, and Land-Use Change III

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Session ID#: 15495

Session Description:
Rivers are key in connecting land and the ocean. The geochemical composition and fluxes of river dissolved and particulate loads is controlled by a wide array of factors such as the geomorphological, hydrological, biogeochemical, climatic and anthropogenic processes occurring within in the catchment. The integrative nature of river geochemical signals and their downstream evolution is still elusive. Better understanding riverine export to the oceans requires better quantifying the riverine geochemical transfer function. This session welcomes contributions from organic and inorganic, dissolved and particulate, bulk, molecular, mineralogical, and modeling approaches to connecting source to sink.
Primary Convener:  Francien Peterse, Utrecht University, Department of Earth Sciences, Utrecht, Netherlands
Conveners:  Maarten Lupker, ETH Zurich, Geological Institute, Zurich, Switzerland and Valier Galy, Woods Hole Oceanographic Institution, Woods Hole, MA, United States
Chairs:  Francien Peterse, Utrecht University, Department of Earth Sciences, Utrecht, Netherlands, Maarten Lupker, ETH Zurich, Geological Institute, Zurich, Switzerland and Valier Galy, Woods Hole Oceanographic Institution, Woods Hole, MA, United States
OSPA Liaison:  Maarten Lupker, ETH Zurich, Geological Institute, Zurich, Switzerland

Cross-Listed:
  • GC - Global Environmental Change
  • OS - Ocean Sciences
  • PP - Paleoceanography and Paleoclimatology
Index Terms:

0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]
0420 Biomolecular and chemical tracers [BIOGEOSCIENCES]
0424 Biosignatures and proxies [BIOGEOSCIENCES]

Abstracts Submitted to this Session:

Floodplain dynamics control the age distribution of organic carbon in large rivers (162071)
Mark A Torres, Rice University, Department of Earth, Environmental, and Planetary Sciences, Houston, TX, United States, Ajay B Limaye, University of Minnesota, Department of Earth Sciences, Minneapolis, MN, United States, Vamsi Ganti, Imperial College London, Department of Earth Science and Engineering, London, SW7, United Kingdom, A. Joshua West, University of Southern California, Los Angeles, CA, United States, Woodward W Fischer, Caltech, Division of Geological and Planetary Sciences, Pasadena, United States and Michael P Lamb, California Institute of Technology, Geological and Planetary Sciences, Pasadena, United States
Influence of Hydrodynamic Sorting on the Composition and Age of Yellow River Suspended Particulate Organic Matter (131574)
Meng Yu1,2, Timothy I Eglinton3, Negar Haghipour4, Daniel B. Montluçon2, Lukas Wacker5, Pengfei Hou1 and Meixun Zhao1, (1)Ocean University of China, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Qingdao, China, (2)ETH Swiss Federal Institute of Technology Zurich, Department of Earth Sciences, Zurich, Switzerland, (3)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (4)ETH, Ion Beam Physics, Zürich, Switzerland, (5)ETH Zurich, Physics, Zurich, Switzerland
Experimental insights into organic carbon oxidation potential during fluvial transport without floodplain storage (144890)
Joel S Scheingross1, Niels Hovius2, Dirk Sachse1, Andrea Vieth-Hillebrand1, Jens Martin Turowski3 and Robert G Hilton4, (1)GFZ German Research Centre for Geosciences, Potsdam, Germany, (2)Deutsches GeoForschungsZentrum GFZ, Section 4.6 Geomorphology, Potsdam, Germany, (3)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (4)Durham University, Geography, Durham, United Kingdom
Hydrologic and forest management controls on DOC dynamics in the small watersheds of the H.J. Andrews Experimental Forest, OR (131439)
Kate Lajtha, Oregon State University, Corvallis, OR, United States and Julia Allen Jones, Oregon State University, CEOAS, Corvallis, OR, United States
Tropical river suspended load and solute dynamics in storms within an extreme drought, Luquillo Critical Zone Observatory, Puerto Rico (178681)
Kathryn E Clark, University of Pennsylvania, Philadelphia, PA, United States, James B Shanley, U.S. Geological Survey, Montpelier, United States, Nicolas Perdrial, Univ of AZ-Soil, Water, & Envi, Tucson, United States, Martha A Scholl, USGS Headquarters, Reston, VA, United States, Julia N Perdrial, University of Vermont, Department of Geography & Geoscience, Burlington, United States, Alain F Plante, University of Pennsylvania, Earth & Environmental Science, Philadelphia, PA, United States and William H McDowell, University of New Hampshire Main Campus, Natural Resources and the Environment, Durham, NH, United States
Variability in lateral carbon export from four major tributaries in the Upper Mississippi River Basin (164395)
Sarah M Stackpoole, USGS Central Region Offices Denver, Denver, CO, United States, Mark Dornblaser, USGS Water Mission Area, Boulder, United States, Edward Stets, U.S. Geological Survey, Water Mission Area, Mounds View, MN, United States, Sydney Wilson, National Research Program Boulder, Boulder, CO, United States, Robert G Striegl, USGS Water Mission Area, Hydro-Ecological Interactions Branch, Boulder, United States and LandCarbon Upper Mississippi River Basin Team
High Temporal Resolution Data Illuminates Seasonal Controls on Dissolved Organic Matter Export from a Large Watershed (168868)
Matthew Clay Shultz, Yale University, New Haven, CT, United States, Peter A Raymond, Yale University, New Haven, United States, Brian A Pellerin, US Geological Survey, Observing Systems Division, Reston, United States and George Aiken, USGS Colorado Water Science Center Boulder, Boulder, CO, United States
Organic carbon fluxes in fjords across a high-to-mid latitudinal gradient (153495)
Xingqian Cui1, Thomas S S Bianchi1,2, John M Jaeger3, Candida Savage4 and Richard Smith5, (1)University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, (2)University of Florida, Ft Walton Beach, FL, United States, (3)University of Florida, Geological Sciences, Ft Walton Beach, FL, United States, (4)University of Otago, Department of Marine Sciences, Dunedin, New Zealand, (5)Global Aquatic Research, Sodus, United States

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