Articles | Volume 18, issue 4
https://doi.org/10.5194/amt-18-881-2025
© Author(s) 2025. 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-18-881-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Feb 2025
Research article |
| 21 Feb 2025
| 21 Feb 2025
Advances in an OH reactivity instrument for airborne field measurements
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
Department of Physics, University of Cologne, Cologne, Germany
Aaron Stainsby
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
Florian Berg
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
René Dubus
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
Michelle Färber
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
Andreas Hofzumahaus
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
Frank Holland
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
Kelvin H. Bates
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, Colorado, USA
now at: Department of Mechanical Engineering, University of Colorado, Boulder, Colorado, USA
Steven S. Brown
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Department of Chemistry, University of Colorado, Boulder, Colorado, USA
Matthew M. Coggon
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Glenn S. Diskin
NASA Langley Research Center, Hampton, Virginia, USA
Georgios I. Gkatzelis
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
Christopher M. Jernigan
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, Colorado, USA
Jeff Peischl
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, Colorado, USA
now at: NOAA Global Monitoring Laboratory, Boulder, Colorado, USA
Michael A. Robinson
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, Colorado, USA
Andrew W. Rollins
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Nell B. Schafer
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, Colorado, USA
Rebecca H. Schwantes
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Chelsea E. Stockwell
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Patrick R. Veres
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
now at: National Center for Atmospheric Research, Boulder, Colorado, USA
Carsten Warneke
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Eleanor M. Waxman
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, Colorado, USA
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, Colorado, USA
now at: Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri, USA
Kristen Zuraski
NOAA Chemical Sciences Laboratory, Boulder, Colorado, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, Colorado, USA
Andreas Wahner
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
Anna Novelli
Institute of Climate and Energy Systems, ICE-3: Troposphere, Forschungszentrum Jülich GmbH, Jülich, Germany
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Saved (final revised paper)
Latest update: 24 May 2026
Short summary
Significant improvements have been made to the instruments used to measure OH reactivity, which is equivalent to the sum of air pollutant concentrations. Accurate and precise measurements with a high time resolution have been achieved, allowing use on aircraft, as demonstrated during flights in the USA.
Significant improvements have been made to the instruments used to measure OH reactivity, which...
