Articles | Volume 14, issue 6
https://doi.org/10.5194/amt-14-4517-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-14-4517-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
18 Jun 2021
Research article |
| 18 Jun 2021
| 18 Jun 2021
Sizing response of the Ultra-High Sensitivity Aerosol Spectrometer (UHSAS) and Laser Aerosol Spectrometer (LAS) to changes in submicron aerosol composition and refractive index
Richard H. Moore
CORRESPONDING AUTHOR
NASA Langley Research Center, Hampton, VA, USA
Elizabeth B. Wiggins
NASA Langley Research Center, Hampton, VA, USA
NASA Postdoctoral Program, Universities Space Research Association,
Columbia, MD, USA
Adam T. Ahern
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Stephen Zimmerman
NASA Langley Research Center, Hampton, VA, USA
Lauren Montgomery
NASA Langley Research Center, Hampton, VA, 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
Claire E. Robinson
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
Luke D. Ziemba
NASA Langley Research Center, Hampton, VA, USA
Edward L. Winstead
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
Bruce E. Anderson
NASA Langley Research Center, Hampton, VA, USA
Charles A. Brock
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Matthew D. Brown
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
Gao Chen
NASA Langley Research Center, Hampton, VA, USA
Ewan C. Crosbie
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
Hongyu Guo
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry, University of Colorado, Boulder, CO, USA
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
Carolyn E. Jordan
NASA Langley Research Center, Hampton, VA, USA
National Institute of Aerospace, Hampton, VA, USA
Department of Chemistry, University of Alberta, Edmonton, AB, Canada
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
now at: Center for Aerosol and Cloud Chemistry, Aerodyne Research,
Inc., Billerica, MA, USA
Nicholas E. Rothfuss
Center for Aerosol Science and Engineering, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO, USA
Kevin J. Sanchez
NASA Langley Research Center, Hampton, VA, USA
NASA Postdoctoral Program, Universities Space Research Association,
Columbia, MD, USA
Melinda Schueneman
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry, University of Colorado, Boulder, CO, USA
Taylor J. Shingler
NASA Langley Research Center, Hampton, VA, USA
Michael A. Shook
NASA Langley Research Center, Hampton, VA, USA
Kenneth L. Thornhill
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
Nicholas L. Wagner
NOAA Chemical Sciences Laboratory, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Jian Wang
Center for Aerosol Science and Engineering, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO, USA
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Latest update: 10 Jul 2025
Short summary
Atmospheric particles are everywhere and exist in a range of sizes, from a few nanometers to hundreds of microns. Because particle size determines the behavior of chemical and physical processes, accurately measuring particle sizes is an important and integral part of atmospheric field measurements! Here, we discuss the performance of two commonly used particle sizers and how changes in particle composition and optical properties may result in sizing uncertainties, which we quantify.
Atmospheric particles are everywhere and exist in a range of sizes, from a few nanometers to...
