EP009
Earth Surface Processes and the Global Carbon Cycle I

Monday, 7 December 2020: 17:30-18:30
Virtual
Primary Convener:  Mark A Torres, Rice University, Earth, Environmental, and Planetary Sciences, Houston, TX, United States
Conveners:  Jordon Hemingway, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, Preston Cosslett Kemeny, California Institute of Technology, Pasadena, CA, United States and Emily Burt, University of Southern California, Los Angeles, CA, United States
Primary Liaison:  Jordon Hemingway, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States
Chairs:  Mark A Torres, USC-Earth Sciences, Los Angeles, CA, United States, Jordon Hemingway, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, Preston Cosslett Kemeny, California Institute of Technology, Pasadena, CA, United States and Emily Burt, University of Southern California, Los Angeles, CA, United States
OSPA Liaison:  Jordon Hemingway, Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States
17:30
EP009-01
Respiration in a shale rhizosphere dominated by deep root respiration, not oxidation of petrogenic organic carbon (769196)
Alison K. Tune1, Jennifer L Druhan2, Corey R Lawrence3, Yuchen Liu2, Philip C Bennett1 and Daniella M. Rempe1, (1)University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, (2)University of Illinois at Urbana Champaign, Department of Geology, Urbana, IL, United States, (3)US Geological Survey, Geosciences and Environmental Change Science Center, Denver, CO, United States
17:34
EP009-02
Geomorphic controls on SOC along an erosional gradient in a burned montane landscape (694121)
Brooke Hunter1, Josh J Roering1 and Lucas Silva2, (1)University of Oregon, Eugene, OR, United States, (2)University of Oregon, Department of Geography, Eugene, OR, United States
17:38
EP009-03
Concentration-discharge relationships and the dissolved chemistry of contrasting small mountainous rivers in the Pacific Northwest, USA (701909)
Layla Ghazi, Oregon State University, College of Earth, Ocean & Atmospheric Sciences, Corvallis, OR, United States, Julie C Pett-Ridge, Oregon State University, Corvallis, OR, United States, Miguel A Goni, Oregon State Univ, Corvallis, OR, United States and Brian A Haley, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States
17:42
EP009-04
Balancing the Fluvial Organic Carbon Budget: Integrating Sediment Transit Time and Channel Mobility into the Equation (Invited) (679104)
Marisa Nicole Repasch1,2, Joel S Scheingross3, Niels Hovius1,2, Maarten Lupker4, Hella Wittmann1, Negar Haghipour4, Timothy I Eglinton4, Dirk Sachse1 and Oscar Orfeo5, (1)GFZ German Research Centre for Geosciences, Potsdam, Germany, (2)University of Potsdam, Potsdam, Germany, (3)University of Nevada Reno, Department of Geological Sciences and Engineering, Reno, United States, (4)ETH Zurich, Geological Institute, Zurich, Switzerland, (5)Centro de Ecología Aplicada del Litoral, Corrientes, Argentina
17:46
EP009-05
Coupled limits to silicate, carbonate, and sulfide weathering in metasediments drives release of CO2 with erosion: Constrains from southern Taiwan. (667101)
Aaron Bufe, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, Niels Hovius, GFZ German Research Centre for Geosciences, Potsdam, Germany, Robert Emberson, Universities Space Research Association, Greenbelt, MD, United States, Jeremy K Caves Rugenstein, Max Planck Institute for Meteorology, The Land in the Earth System, Hamburg, Germany, Albert Galy, CRPG Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-Les-Nancy, France, Hima J Hassenruck-Gudipati, University of Texas at Austin, Austin, TX, United States and Jui-Ming Chang, Department of Geoscience, National Taiwan University, Department of Geosciences, Taipei, Taiwan
17:50
EP009-06
Assessment of ultramafic silicate weathering fluxes derived from high-resolution sampling: an example from the Zambales ophiolite, Luzon, Philippines (675664)
Daniel Enrique Ibarra1,2, Justine Perry Tomines Domingo3, Nolan Meyer4, Hari Mix4, Pamela Tolentino5, Mikael Attal3 and Carlos Primo David5, (1)Brown University, Earth, Environmental and Planetary Sciences, Providence, RI, United States, (2)University of California, Berkeley, Earth and Planetary Sciences, Berkeley, CA, United States, (3)University of Edinburgh, School of GeoSciences, Edinburgh, United Kingdom, (4)Santa Clara University, Department of Environmental Studies and Sciences, Santa Clara, CA, United States, (5)National Institute of Geological Sciences, University of the Philippines, Quezon City, Philippines
17:54
EP009-07
The effect of lithology on the relationship between erosion rate and chemical weathering pathways (713640)
Kristen L Cook1, Aaron Bufe2, Albert Galy3, Hella Wittmann1 and Niels Hovius2, (1)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (2)GFZ German Research Centre for Geosciences, Potsdam, Germany, (3)CRPG Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-Les-Nancy, France
17:58
EP009-08
The distribution of weathering fronts under valley and ridge (Invited) (678046)
Xin Gu1, Susan L Brantley2, Andrew Nyblade1 and Andrew R Shaughnessy1, (1)Pennsylvania State University Main Campus, Department of Geosciences, University Park, PA, United States, (2)Pennsylvania State University Main Campus, Earth and Environmental Systems Institute, University Park, PA, United States
18:02
Discussion
See more of: Earth and Planetary Surface Processes
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