A24B:
Atmospheric Aerosols and Effects on Biogeochemical Cycles and Climate I

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Session ID#: 16090

Session Description:
Atmospheric aerosols influence the Earth's biogeochemical cycles and climate in many important ways. Once emitted, aerosols are exposed to reactive gases and their chemical and physical properties are modified in the transport. The aging of aerosols affects not only their hygroscopic and optical properties, but also bioavailability as nutrient supply to terrestrial and marine ecosystems. This session invites all aspects of aerosol emissions, transformation, and deposition and impacts on global and regional biogeochemical cycles and feedback to climate. Topics may include, but are not limited to, recent advancements in characterization of aerosol bioavailability and quantification of biogeochemical responses to anthropogenic perturbations and dust emission changes. We also invite topics on organic emissions from forests, oceans and biomass burning, and seek papers describing recent progress on isotope analysis as a tracer of emission sources.  Field observations, laboratory investigations and multi-scale modeling from process-scale to Earth System models are encouraged to present.
Primary Convener:  Yan Feng, DOE Argonne National Laboratory, Argonne, United States
Conveners:  Akinori Ito, Japan Agency for Marine-Earth Science and Technology, Research Institute for Global Change, Kanagawa, Japan, Joyce Penner, University of Michigan Ann Arbor, Ann Arbor, MI, United States and Yoshio Takahashi, University of Tokyo, Bunkyo-ku, Japan
Chairs:  Akinori Ito, Japan Agency for Marine-Earth Science and Technology, Research Institute for Global Change, Kanagawa, Japan, Joyce Penner, University of Michigan Ann Arbor, Ann Arbor, MI, United States, Yan Feng, DOE Argonne National Laboratory, Argonne, United States and Yoshio Takahashi, University of Tokyo, Bunkyo-ku, Japan
OSPA Liaison:  Akinori Ito, Japan Agency for Marine-Earth Science and Technology, Research Institute for Global Change, Kanagawa, Japan

Cross-Listed:
  • B - Biogeosciences
  • GC - Global Environmental Change
Index Terms:

0305 Aerosols and particles [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0312 Air/sea constituent fluxes [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0315 Biosphere/atmosphere interactions [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0414 Biogeochemical cycles, processes, and modeling [BIOGEOSCIENCES]

Abstracts Submitted to this Session:

Modeling the atmospheric iron processing of mineral dust and combustion aerosols (Invited) (118901)
Natalie M Mahowald, Cornell University, Earth and Atmospheric Sciences, Ithaca, NY, United States, Rachel Scanza, Cornell University, Ithaca, NY, United States and Carlos Pérez García-Pando, Columbia University of New York, Palisades, United States
Geographical Distribution and Sources of Nutrients in Atmospheric Aerosol Over the Pacific Ocean (Invited) (120530)
Mitsuo Uematsu, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan
Influence of Atmospheric Processes on the Solubility and Composition of Iron in Saharan Dust (161677)
Ellery D Ingall, Georgia Institute of Technology Main Campus, Atlanta, United States, Amelia Longo, Georgia Institute of Technology Main Campus, Atlanta, GA, United States, Yan Feng, DOE Argonne National Laboratory, Argonne, United States, Barry Lai, Argonne National Laboratory, Argonne, IL, United States, William M Landing, Florida State University, Earth, Ocean, and Atmospheric Science, Tallahassee, FL, United States, Rachel Shelley, University of Western Brittany, Brest, France, Athanasios Nenes, Ecole Polytechnique Federale de Lausanne, School of Architecture, Civil and Environmental Engineering (ENAC), Laboratory of Atmospheric Processes and their Impacts (LAPI), Lausanne, Switzerland, Nikolaos Mihalopoulos, National Observatory of Athens, Institute for Environmental Research and Sustainable Development, Athens, Greece and Kaliopi Violaki, University of Crete, Heraklion, Greece
Dust contributes an important flux of iron to Gulf of Alaska surface waters beyond the shelf break, while shelf sediments and glacial meltwater drive Fe supply over the northern Gulf of Alaska shelf (178776)
John Crusius, USGS at UW School of Oceanography, Seattle, WA, United States, Andrew W. Schroth, University of Vermont, Geography and Geosciences, Burlington, United States, Joseph Resing, University of Washington, Cooperative Institute for Climate, Ocean, and Ecosystem Studies, Seattle, United States, Jay T. Cullen, University of Victoria, School of Earth and Ocean Sciences, Victoria, BC, Canada and Robert W Campbell, Prince William Sound Science Center, Cordova, AK, United States
Effect of atmospheric organics on bioavailable Fe lifetime in the oceans (155288)
Nicholas Meskhidze1, David Hurley2, Taylor Michael Royalty2 and Matthew S Johnson3, (1)North Carolina State University Raleigh, Raleigh, United States, (2)North Carolina State University Raleigh, Raleigh, NC, United States, (3)Earth Science Division, NASA Ames Research Center, Moffett Field, CA, United States
Atmospheric acidification of mineral aerosols as a modulator of bioavailable phosphorus for ecosystems (195282)
Athanasios Nenes, National Observatory of Athens, Athens, Greece; Ecole Polytechnique Federale de Lausanne, School of Architecture, Civil and Environmental Engineering (ENAC), Laboratory of Atmospheric Processes and their Impacts (LAPI), Lausanne, Switzerland, Kaliopi Violaki, University of Crete, Heraklion, Greece; Georgia Institute of Technology, Atlanta, GA, United States, Ting Fang, Georgia Institute of Technology Main Campus, Atlanta, GA, United States, Hongyu Guo, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States, Nikolaos Mihalopoulos, National Observatory of Athens, Institute for Environmental Research and Sustainable Development, Athens, Greece and Rodney J Weber, Georgia Institute of Technology Main Campus, Earth and Atmospheric Sciences, Atlanta, GA, United States
Aerosol Production and Growth in the Upper Troposphere over the Amazon Forest Observed during ACRIDICON-CHUVA (136443)
Meinrat O Andreae1,2, Armin Afchine3, Rachel I Albrecht4, Paulo Artaxo5, Stephan A Borrmann1, Micael Amore Cecchini6, Anja Costa7, Daniel Fütterer8, Emma Järvinen9, Thomas Klimach10, Tobias Konemann11, Martina Krämer3, Luiz Machado6, Stephan Mertes12, Christopher Pöhlker11, Mira L. Pöhlker11, Ulrich Pöschl11, Daniel N Sauer8, Martin Schnaiter9, Johannes Schneider13, Christiane Schulz14, Antonio Spanu8, Adrian Walser15, Jian Wang16, Bernadett Weinzierl17 and Manfred Wendisch18, (1)Max Planck Institute for Chemistry, Mainz, Germany, (2)Scripps Institution of Oceanography, UCSD, La Jolla, United States, (3)Forschungszentrum Juelich, Juelich, Germany, (4)University of Sao Paulo, Sao Paulo, Brazil, (5)USP University of Sao Paulo, São Paulo, Brazil, (6)INPE National Institute for Space Research, Sao Jose dos Campos, Brazil, (7)FZ Juelich, Juelich, Germany, (8)German Aerospace Center (DLR), Institute of Atmospheric Physics, Oberpfaffenhofen, Germany, (9)KIT, Institute for Meteorology and Climate Research, Atmospheric Aerosol Research (IMK-AAF), Karlsruhe, Germany, (10)Max Planck Institute for Chemistry, Multiphase Chemistry and Biogeochemistry Departments, Mainz, Germany, (11)Max Planck Institute for Chemistry, Multiphase Chemistry Department, Mainz, Germany, (12)Leibniz Institute for Tropospheric Research, Leipzig, Germany, (13)Johannes Gutenberg University, Max Planck Institute for Chemistry, Particle Chemistry, Mainz, Germany, (14)Max Planck Institute for Chemistry, Particle Chemistry Department, Mainz, Germany, (15)Ludwig-Maximilians-Universität, Meteorological Institute, München, Germany, (16)Brookhaven Natl Lab, Upton, United States, (17)University of Vienna, Vienna, Austria, (18)University of Leipzig, Leipzig Institute for Meteorology, Leipzig, Germany
Free Tropospheric Brown Carbon: Radiative Impact and Sources (168918)
Yuzhong Zhang1, Haviland Forrister2, Jiumeng Liu3, Chelsea Corr4, Bruce E Anderson4, Jack E Dibb5, Dr. Joshua Peter Schwarz, PhD6, Anne Elizabeth Perring6,7, Jose L Jimenez8,9, Pedro Campuzano-Jost10, Yuhang Wang1, Athanasios Nenes2,11 and Rodney J Weber12, (1)Georgia Institute of Technology Main Campus, School of Earth and Atmospheric Sciences, Atlanta, United States, (2)Georgia Institute of Technology Main Campus, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, (3)Pacific Northwest National Laboratory, Richland, WA, United States, (4)NASA Langley Research Center, Chemistry and Dynamics Branch, Hampton, VA, United States, (5)University of New Hampshire Main Campus, Institute for the Study of Earth, Ocean, and Space, Durham, NH, United States, (6)NOAA Boulder, Boulder, CO, United States, (7)Colgate University, Hamilton, NY, United States, (8)University of Colorado at Boulder, Dept. of Chemistry and Biochemistry, Boulder, CO, United States, (9)Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, United States, (10)University of Colorado Boulder, Department of Chemistry and Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (11)Georgia Institute of Technology Main Campus, School of Chemical and Biomolecular Engineering, Atlanta, GA, United States, (12)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States

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