globalchange  > 气候减缓与适应
DOI: 10.1002/2013GL059143
HFC-43-10mee atmospheric abundances and global emission estimates
Author: Arnold T.; Ivy D.J.; Harth C.M.; Vollmer M.K.; Mühle J.; Salameh P.K.; Paul Steele L.; Krummel P.B.; Wang R.H.J.; Young D.; Lunder C.R.; Hermansen O.; Rhee T.S.; Kim J.; Reimann S.; O'Doherty S.; Fraser P.J.; Simmonds P.G.; Prinn R.G.; Weiss R.F.
Source Publication: Geophysical Research Letters
ISSN: 0094-10244
EISSN: 1944-9975
Publishing Year: 2014
Volume: 41, Issue:6
pages begin: 2228
pages end: 2235
Language: 英语
Keyword: atmospheric abundance ; emissions ; HFC-43-10mee ; mass spectrometry ; radiative forcing
Scopus Keyword: Atmospheric radiation ; Carbon dioxide ; Electronics industry ; Estimation ; Global warming ; Inverse problems ; Mass spectrometry ; Particulate emissions ; Atmospheric abundance ; Atmospheric measurement ; Decafluoropentane ; Global warming potential ; HFC-43-10mee ; Hydrofluorocarbons ; Parts per trillion ; Radiative forcings ; Fluorocarbons ; air sampling ; atmospheric pollution ; electronics industry ; emission inventory ; global warming ; hydrofluorocarbon ; observatory ; radiative forcing ; troposphere ; Antarctica ; East Antarctica ; South Pole
English Abstract: We report in situ atmospheric measurements of hydrofluorocarbon HFC-43-10mee (C5H2F10; 1,1,1,2,2,3,4,5,5,5- decafluoropentane) from seven observatories at various latitudes, together with measurements of archived air samples and recent Antarctic flask air samples. The global mean tropospheric abundance was 0.21 ± 0.05 ppt (parts per trillion, dry air mole fraction) in 2012, rising from 0.04 ± 0.03 ppt in 2000. We combine the measurements with a model and an inverse method to estimate rising global emissions - from 0.43 ± 0.34 Gg yr-1 in 2000 to 1.13 ± 0.31 Gg yr-1 in 2012 (∼1.9 Tg CO2-eq yr-1 based on a 100 year global warming potential of 1660). HFC-43-10mee - a cleaning solvent used in the electronics industry - is currently a minor contributor to global radiative forcing relative to total HFCs; however, our calculated emissions highlight a significant difference from the available reported figures and projected estimates. © 2014. American Geophysical Union. All Rights Reserved.
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Affiliation: Scripps Institution of Oceanography, University of California, San Diego, CA, United States

Recommended Citation:
Arnold T.,Ivy D.J.,Harth C.M.,et al. HFC-43-10mee atmospheric abundances and global emission estimates[J]. Geophysical Research Letters,2014-01-01,41(6).
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