Reflection on two Ambio papers by P. J. Crutzen on ozone in the upper atmosphere: This article belongs to Ambio’s 50th Anniversary Collection. Theme: Ozone Layer

Ole John Nielsen, Merete Bilde*

*Corresponding author for this work

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Abstract

We here reflect on two important articles on stratospheric ozone depletion written by P. J. Crutzen (1974) and P. J. Crutzen and D. H. Ehhalt (1977) in the early 1970s. These articles provide a clear description of the stratosphere and the most important chemical reactions involved in stratospheric ozone depletion. They present modeling results and provide recommendations for future research on stratospheric ozone depletion caused by chloro-fluoro-carbons, supersonic transport, nitrous oxide, and nuclear explosions. These two articles represent the beginning of a scientific era, which led to discovery of the Antarctic ozone hole and political action in the form of the Montreal Protocol and its amendments.

Original languageEnglish
JournalAMBIO
Volume50
Issue1
Pages (from-to)40-43
Number of pages4
ISSN0044-7447
DOIs
Publication statusPublished - Jan 2021

Keywords

  • Chloro-fluoro-carbons
  • Nitrous oxide
  • Nuclear explosions
  • P. J. Crutzen
  • Stratospheric ozone depletion
  • Supersonic transport

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