Articles | Volume 16, issue 8
https://doi.org/10.5194/acp-16-4987-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-4987-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
22 Apr 2016
Research article |
| 22 Apr 2016
Aerosol optical properties in the southeastern United States in summer – Part 1: Hygroscopic growth
Charles A. Brock
CORRESPONDING AUTHOR
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Nicholas L. Wagner
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
Bruce E. Anderson
NASA Langley Research Center, Hampton, Virginia,
USA
Alexis R. Attwood
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
now at: Droplet Measurement Technologies, Boulder, Colorado, USA
Andreas Beyersdorf
NASA Langley Research Center, Hampton, Virginia,
USA
Pedro Campuzano-Jost
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
Department of Chemistry and Biochemistry, University of
Colorado, Boulder, Colorado, USA
Annmarie G. Carlton
Department of Environmental Sciences, Rutgers University,
New Brunswick, New Jersey, USA
Douglas A. Day
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
Department of Chemistry and Biochemistry, University of
Colorado, Boulder, Colorado, USA
Glenn S. Diskin
NASA Langley Research Center, Hampton, Virginia,
USA
Timothy D. Gordon
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
now at: Handix Scientific, Boulder, Colorado, USA
Jose L. Jimenez
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
Department of Chemistry and Biochemistry, University of
Colorado, Boulder, Colorado, USA
Daniel A. Lack
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
now at: TEAC Consulting, Brisbane,
Australia
Jin Liao
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
now at: NASA Goddard Space Flight Center, Greenbelt,
Maryland, USA
Milos Z. Markovic
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
now at: Air Quality Research Division, Environment
Canada, Toronto, Ontario, Canada
Ann M. Middlebrook
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Nga L. Ng
School of Earth and Atmospheric Sciences, Georgia
Institute of Technology, Atlanta, Georgia, USA
School of Chemical and Biomolecular Engineering, Georgia
Institute of Technology, Atlanta, Georgia, USA
Anne E. Perring
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
Matthews S. Richardson
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
Joshua P. Schwarz
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Rebecca A. Washenfelder
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
Andre Welti
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
Cooperative Institute for Research in Environmental
Sciences, University of Colorado, Boulder, Colorado, USA
now at: Department of Physics, Leibniz Institute for Tropospheric Research, Leipzig, Germany
School of Chemical and Biomolecular Engineering, Georgia
Institute of Technology, Atlanta, Georgia, USA
Luke D. Ziemba
NASA Langley Research Center, Hampton, Virginia,
USA
Daniel M. Murphy
NOAA Earth System Research Laboratory, Boulder, Colorado,
USA
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Short summary
Microscopic pollution particles make the atmosphere look hazy and also cool the earth by sending sunlight back to space. When the air is moist, these particles swell with water and scatter even more sunlight. We showed that particles formed from organic material – which dominates particulate pollution in the southeastern U.S. – does not take up water very effectively, toward the low end of most previous studies. We also found a better way to mathematically describe this swelling process.
Microscopic pollution particles make the atmosphere look hazy and also cool the earth by sending...
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