Observing the atmospheric evolution of ozone-depleting substances

TitleObserving the atmospheric evolution of ozone-depleting substances
Publication TypeJournal Article
Year of Publication2018
AuthorsReimann S., Elkins JW, Fraser PJ, Hall BD, Kurylo M.J, Mahieu E., Montzka SA, Prinn RG, Rigby M, Simmonds PG, Weiss RF
JournalComptes Rendus Geoscience
Volume350
Pagination384-392
Date Published2018/11
Type of ArticleArticle
ISBN Number1631-0713
Accession NumberWOS:000450932300008
Keywordsair; ccl3f; chlorine; Chlorofluorocarbons; gases; Geology; global emissions; halocarbons; halons; histories; hydrocarbons; Hydrochlorofluorocarbons; Methyl Bromide; montreal protocol; ozone-depleting substances; trends
Abstract

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. (C) 2018 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

DOI10.1016/j.crte.2018.08.008
Short TitleC. R. Geosci.
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