Articles | Volume 20, issue 8
https://doi.org/10.5194/acp-20-4607-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-4607-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Apr 2020
Research article |
| 21 Apr 2020
| 21 Apr 2020
Characterization of organic aerosol across the global remote troposphere: a comparison of ATom measurements and global chemistry models
Alma Hodzic
CORRESPONDING AUTHOR
National Center for Atmospheric Research, Boulder, CO, USA
Pedro Campuzano-Jost
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry, University of Colorado, Boulder, CO, USA
Huisheng Bian
NASA Goddard Space Flight Center, Greenbelt, MD, USA
Mian Chin
NASA Goddard Space Flight Center, Greenbelt, MD, USA
Peter R. Colarco
NASA Goddard Space Flight Center, Greenbelt, MD, USA
Douglas A. Day
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry, University of Colorado, Boulder, CO, USA
Karl D. Froyd
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division, Boulder, CO, USA
Bernd Heinold
Leibniz Institute for Tropospheric Research, Leipzig, Germany
Duseong S. Jo
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry, University of Colorado, Boulder, CO, USA
Joseph M. Katich
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division, Boulder, CO, USA
John K. Kodros
Department of Atmospheric Science, Colorado State University, Fort Collins, CO, USA
Benjamin A. Nault
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry, University of Colorado, Boulder, CO, USA
Jeffrey R. Pierce
Department of Atmospheric Science, Colorado State University, Fort Collins, CO, USA
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division, Boulder, CO, USA
Jacob Schacht
Leibniz Institute for Tropospheric Research, Leipzig, Germany
Gregory P. Schill
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division, Boulder, CO, USA
Jason C. Schroder
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry, University of Colorado, Boulder, CO, USA
Joshua P. Schwarz
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division, Boulder, CO, USA
Donna T. Sueper
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry, University of Colorado, Boulder, CO, USA
Ina Tegen
Leibniz Institute for Tropospheric Research, Leipzig, Germany
Simone Tilmes
National Center for Atmospheric Research, Boulder, CO, USA
Kostas Tsigaridis
Center for Climate Systems Research, Columbia University, New York, NY, USA
NASA Goddard Institute for Space Studies, New York, NY, USA
Pengfei Yu
NOAA Earth System Research Laboratory (ESRL), Chemical Sciences Division, Boulder, CO, USA
Institute for Environmental and Climate Research, Jinan University, Guangzhou, Guangdong, China
Jose L. Jimenez
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry, University of Colorado, Boulder, CO, USA
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Short summary
Organic aerosol (OA) is a key source of uncertainty in aerosol climate effects. We present the first pole-to-pole OA characterization during the NASA Atmospheric Tomography aircraft mission. OA has a strong seasonal and zonal variability, with the highest levels in summer and over fire-influenced regions and the lowest ones in the southern high latitudes. We show that global models predict the OA distribution well but not the relative contribution of OA emissions vs. chemical production.
Organic aerosol (OA) is a key source of uncertainty in aerosol climate effects. We present the...
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