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Increase in HFC-134a emissions in response to the success of the Montreal protocol

  • A. Fortems-Cheiney
  • , M. Saunois
  • , I. Pison
  • , F. Chevallier
  • , P. Bousquet
  • , C. Cressot
  • , S. A. Montzka
  • , P. J. Fraser
  • , M. K. Vollmer
  • , P. G. Simmonds
  • , D. Young
  • , S. O’Doherty
  • , R. F. Weiss
  • , F. Artuso
  • , B. Barletta
  • , D. R. Blake
  • , S. Li
  • , C. Lunder
  • , B. R. Miller
  • , S. Park
  • R. Prinn, T. Saito, L. P. Steele, Y. Yokouchi
  • Université Paris-Saclay
  • CNRS
  • National Oceanic and Atmospheric Administration
  • CSIRO
  • Swiss Federal Laboratories for Materials Science and Technology (Empa)
  • University of Bristol
  • University of California at San Diego
  • Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile
  • University of California at Irvine
  • Kyungpook National University
  • Norwegian Institute for Air Research
  • Massachusetts Institute of Technology
  • National Institute for Environmental Studies of Japan

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The 1,1,1,2-tetrafluoroethane (HFC-134a), an important alternative to CFC-12 in accordance with the Montreal Protocol on Substances that Deplete the Ozone Layer, is a high global warming potential greenhouse gas. Here we evaluate variations in global and regional HFC-134a emissions and emission trends, from 1995 to 2010, at a relatively high spatial and temporal (3.75° in longitude × 2.5° in latitude and 8 day) resolution, using surface HFC-134a measurements. Our results show a progressive increase of global HFC-134a emissions from 19 ± 2 Gg/yr in 1995 to 167 ± 5 Gg/yr in 2010, with both a slowdown in developed countries and a 20%/yr increase in China since 2005. A seasonal cycle is also seen since 2002, which becomes enhanced over time, with larger values during the boreal summer.

Original languageEnglish
Pages (from-to)11,728-11,742
JournalJournal of Geophysical Research
Volume120
Issue number22
DOIs
StatePublished - 27 Nov 2015

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