A potent greenhouse gas identified in the atmosphere: SF5CF3

Sturges, W. T.; Wallington, T. J.; Hurley, M. D.; Shine, K. P.; Sihra, K.; Engel, A.; Oram, D. E.; Penkett, S. A.; Mulvaney, R. ORCID:; Brenninkmeijer, C. A. M.. 2000 A potent greenhouse gas identified in the atmosphere: SF5CF3. Science, 289 (5479). 611-613.

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We detected a compound previously unreported in the atmosphere, trifluoromethyl sulfur pentafluoride (SF5CF3). Measurements of its infrared absorption cross section show SF5CF3 to have a radiative forcing of 0.57 watt per square meter per parts per billion. This is the largest radiative forcing, on a per molecule basis, of any gas found in the atmosphere to date. Antarctic firn measurements show it to have grown from near zero in the late 1960s to about 0.12 part per trillion in 1999. It is presently growing by about 0.008 part per trillion per year, or 6% per year. Stratospheric profiles of SF5CF3 suggest that it is long-lived in the atmosphere (on the order of 1000 years).

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: BAS Programmes > Pre 2000 programme
ISSN: 00368075
Additional Keywords: greenhouse gas, sf5cf3, trifluoromethyl sulphur pentafluoride, trifluoromthyl sulfur pentafluoride
NORA Subject Terms: Atmospheric Sciences
Date made live: 16 Jul 2013 13:39 +0 (UTC)

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