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Early Action on Hfcs Mitigates Future Atmospheric ChangeAs countries take action to mitigate global warming, both by ratifying theUNFCCCParis Agreement and enacting the Kigali Amendment to the Montreal Protocol to manage hydrofluorocarbons (HFCs), it is important to consider the relative importance of the pertinent greenhouse gases and the distinct structure of their atmospheric impacts, and how the timing of potential greenhouse gas regulations would affect future changes in atmospheric temperature and ozone. HFCs should be explicitly considered in upcoming climate and ozone assessments, since chemistry-climate model simulations demonstrate that HFCs could contribute substantially to anthropogenic climate change by the mid- 21st century, particularly in the upper troposphere and lower stratosphere i.e., global average warming up to 0.19 Kat 80 hPa. The HFCmitigation scenarios described in this study demonstrate the benefits of taking early action in avoiding future atmospheric change: more than 90% of the climate change impacts of HFCs can be avoided if emissions stop by 2030.
Document ID
20160014495
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Hurwitz, Margaret M.
(Science Systems and Applications, Inc. Lanham, MD, United States)
Fleming, Eric L.
(Science Systems and Applications, Inc. Lanham, MD, United States)
Newman, Paul A.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Li, Feng
(Universities Space Research Association Columbia, MD, United States)
Liang, Qing
(Universities Space Research Association Columbia, MD, United States)
Date Acquired
December 6, 2016
Publication Date
November 15, 2016
Publication Information
Publication: Environmental Research Letters
Publisher: IOP Publishing
Volume: 11
Issue: 11
e-ISSN: 1748-9326
Subject Category
Meteorology And Climatology
Report/Patent Number
GSFC-E-DAA-TN37749
Funding Number(s)
CONTRACT_GRANT: NNG12HP08C
CONTRACT_GRANT: NNG15HQ01C
CONTRACT_GRANT: NNG11HP16A
Distribution Limits
Public
Copyright
Other
Keywords
HFC
chemistry-climate model
climate change

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