Articles | Volume 25, issue 7
https://doi.org/10.5194/acp-25-4185-2025
© 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/acp-25-4185-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Apr 2025
Research article |
| 14 Apr 2025
| 14 Apr 2025
Age of air from ACE-FTS measurements of sulfur hexafluoride
Laura N. Saunders
Department of Physics, University of Toronto, Toronto, Canada
Department of Physics, University of Toronto, Toronto, Canada
Gabriele P. Stiller
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Thomas von Clarmann
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
deceased
Florian Haenel
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Hella Garny
Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Physik der Atmosphäre, Oberpfaffenhofen, Germany
Ludwig Maximilian University of Munich, Meteorological Institute, Munich, Germany
Harald Bönisch
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Chris D. Boone
Department of Chemistry, University of Waterloo, Waterloo, Canada
Ariana E. Castillo
Department of Earth and Planetary Sciences, Harvard University, Cambridge, USA
Andreas Engel
Institute for Atmospheric and Environmental Science, Goethe University Frankfurt, Frankfurt, Germany
Johannes C. Laube
Institute of Climate and Energy Systems, Stratosphere (ICE-4), Forschungszentrum Jülich, Jülich, Germany
Marianna Linz
Department of Earth and Planetary Sciences, Harvard University, Cambridge, USA
School of Engineering and Applied Sciences, Harvard University, Cambridge, USA
Felix Ploeger
Institute of Climate and Energy Systems, Stratosphere (ICE-4), Forschungszentrum Jülich, Jülich, Germany
Institute for Atmospheric and Environmental Research, University of Wuppertal, Wuppertal, Germany
David A. Plummer
Climate Research Division, Environment and Climate Change Canada, Montreal, Canada
Eric A. Ray
Chemical Sciences Division, Earth Systems Research Laboratory, NOAA, Boulder, USA
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, USA
Patrick E. Sheese
Department of Physics, University of Toronto, Toronto, Canada
Data sets
Stratospheric Age of Air Derived from ACE-FTS and MIPAS SF6 Laura Saunders et al. https://doi.org/10.5683/SP3/5AC1F0
Level 2 Data, Versions 3.6, 4.1/4.2 ACE-FTS https://databace.scisat.ca/level2/
Level 2 Data, Version 5 MIPAS https://www.imk-asf.kit.edu/english/308.php
Short summary
We present a 17-year stratospheric age-of-air dataset derived from ACE-FTS satellite measurements of sulfur hexafluoride. This is the longest continuous, global, and vertically resolved age of air time series available to date. In this paper, we show that this dataset agrees well with age-of-air datasets based on measurements from other instruments. We also present trends in the midlatitude lower stratosphere that indicate changes in the global circulation that are predicted by climate models.
We present a 17-year stratospheric age-of-air dataset derived from ACE-FTS satellite...
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