Observing the atmospheric evolution of ozone-depleting substances

Stefan Reimann, James W. Elkins, Paul J. Fraser, Bradley D. Hall, Michael J. Kurylo, Emmanuel Mahieu, Stephen A. Montzka, Ronald G. Prinn, Matthew Rigby, Peter G. Simmonds, Ray F. Weiss

Research output: Contribution to journalArticle (Academic Journal)peer-review

12 Citations (Scopus)
238 Downloads (Pure)


The atmospheric observations of ozone-depleting substances (ODSs) have been essential for following their atmospheric response to the production and use restrictions imposed by the Montreal Protocol and its Amendments and Adjustments. ODSs have been used since the first half of the 20th century in industrial and domestic applications. However, their atmospheric growth went unnoticed until the early 1970s, when they were discovered using gas chromatograph-electron capture detection (GC-ECD) instruments. Similar instrumentation formed the basis of global flask and in situ measurements commenced by NOAA and ALE/GAGE/AGAGE in the late 1970s. The combination of these networks, supported by a number of other laboratories, has been essential for following the tropospheric trends of ODSs. Additionally, ground-based remote sensing measurements within NDACC and aircraft-based observation programs have been crucial for measuring the evolution of the ODS abundances over the entire atmosphere. Maintaining these networks at least at their current state is vital for ensuring the on-going verification of the success of the Montreal Protocol.
Original languageEnglish
Pages (from-to)384-392
Number of pages9
JournalComptes Rendus Géoscience
Issue number7
Early online date18 Oct 2018
Publication statusPublished - Nov 2018


  • Montreal Protocol
  • Methyl Bromide
  • Halons
  • Hydrochlorofluorocarbons
  • Chlorofluorocarbons
  • Ozone-Depleting Substances


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