A44C:
Mineral Dust Aerosols: From Small-Scale Insights to Large-Scale Understanding IV

Thursday, 18 December 2014: 4:00 PM-6:00 PM
Chairs:  Kerstin Schepanski, Leibniz Institute for Tropospheric Research, Leipzig, Germany and Amato T Evan, Scripps Institute of Oceanography, La Jolla, CA, United States
Primary Conveners:  Jasper F Kok, University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States
Co-conveners:  Amato T Evan, Scripps Institute of Oceanography, La Jolla, CA, United States, Kerstin Schepanski, Leibniz Institute for Tropospheric Research, Leipzig, Germany and James King, Indiana University Bloomington, Bloomington, IN, United States
OSPA Liaisons:  Amato T Evan, Scripps Institute of Oceanography, La Jolla, CA, United States

Abstracts Submitted to this Session:

4:00 PM
A44C-01
 
Toward a Greater Understanding of the Atmospheric Chemistry and Global Impacts of Mineral Dust Aerosol Through Fundamental Laboratory Studies
Vicki H Grassian, University of Iowa, Iowa City, IA, United States
4:20 PM
A44C-02
 
Using Brittle Fragmentation Theory to represent Aerosol Mineral Composition
Carlos Pérez García-Pando1, Ron L Miller2 and Jan P Perlwitz1, (1)Columbia Univ c/o NASA/GISS, New York, NY, United States, (2)NASA/GISS, New York, NY, United States
4:35 PM
A44C-03
 
Global trends in mineral dust aerosol: determining causes and attributing uncertainty with the GEOS-Chem model
David A Ridley, Massachusetts Institute of Technology, Cambridge, MA, United States, Colette L Heald, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States and Joseph M Prospero, University of Miami, Miami, FL, United States
4:55 PM
A44C-04
 
Estimating the Sensitivity of Regional Dust Sources to Sea Surface Temperature Anomaly Patterns
Alexis Hoffman1 and Chris E Forest1,2, (1)Pennsylvania State University Main Campus, University Park, PA, United States, (2)Earth and Environmental Systems Institute, The Pennsylvania State University, University Park, PA, United States
5:10 PM
A44C-05
 
Dust in the Arctic during the Past Millennium from a Developing Array of Ice Cores: Linkages to Climate and Land Use
Joseph R McConnell1, Monica M Arienzo1, Nathan Chellman1, Diedrich Fritzsche2, Karl J Kreutz3, Sepp Kipfstuhl4, Olivia Jayne Maselli5, Matt Nolan6, Daniel R Pasteris7, Michael Sigl1 and Jorgen Peder Steffensen8, (1)Desert Research Institute, Reno, NV, United States, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Department of Periglacial Research, Potsdam, Germany, (3)Univ Maine, Orono, ME, United States, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (5)Desert Research Instititute, Reno, NV, United States, (6)University of Alaska Fairbanks, Fairbanks, AK, United States, (7)Desert Res Inst, Reno, NV, United States, (8)Centre for Ice and Climate, Copenhagen, Denmark
5:30 PM
A44C-06
 
Dust emissions from eastern Australia during the mid to late Holocene record changing hydro-climatic conditions and landuse.
Samuel K Marx, University of Wollongong, Wollongong, NSW, Australia, Hamish A McGowan, The University of Queensland, Brisbane, Australia and Balz Kamber, Trinity College Dublin, Dublin, Ireland
5:45 PM
A44C-07
 
4He in Bahamas Carbonates: A Link between Dust Export and North African Mega-droughts over the Last Millennium
Atreyee Bhattacharya, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, Sujoy Mukhopadhyay, University of California Davis, Davis, CA, United States, Adam C Maloof, Princeton University, Princeton, NJ, United States, Earle R Williams, Massachusetts Institute of Technology, Cambridge, MA, United States and Amato T Evan, Scripps Institute of Oceanography, La Jolla, CA, United States
 
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