HFC-43-10mee atmospheric abundances and global emission estimates

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 abundan...

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Bibliographic Details
Published in:Geophysical Research Letters
Main Authors: Arnold, Tim, Ivy, Diane J., Harth, Christina M., Vollmer, Martin K., Muehle, Jens, Salameh, Peter K., Steele, L. Paul, Krummel, Paul B., Wang, Ray H. J., Young, Dickon, Lunder, Chris R., Hermansen, Ove, Rhee, Tae Siek, Kim, Jooil, Reimann, Stefan, O'Doherty, Simon, Fraser, Paul J., Simmonds, Peter G., Prinn, Ronald G., Weiss, Ray F.
Format: Article in Journal/Newspaper
Language:English
Published: 2014
Subjects:
HFC-43-10mee
atmospheric abundance
radiative forcing
emissions
mass spectrometry
IN-SITU MEASUREMENTS
LIFETIMES
CLIMATE
RADICALS
TRENDS
GASES
OH
Antarc*
Antarctic
Online Access:https://hdl.handle.net/1983/23a7c0e2-cdeb-4df0-80d8-b1caeba88dc1
https://research-information.bris.ac.uk/en/publications/23a7c0e2-cdeb-4df0-80d8-b1caeba88dc1
https://doi.org/10.1002/2013GL059143
Description
Summary: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 0.210.05ppt (parts per trillion, dry air mole fraction) in 2012, rising from 0.040.03ppt in 2000. We combine the measurements with a model and an inverse method to estimate rising global emissionsfrom 0.430.34Ggyr(-1) in 2000 to 1.130.31Ggyr(-1) in 2012 (similar to 1.9TgCO(2)-eqyr(-1) based on a 100year global warming potential of 1660). HFC-43-10meea cleaning solvent used in the electronics industryis 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. Key Points 2012 global tropospheric abundance of HFC-43-10mee is 0.21 ppt 2012 growth rate is 15 ppq yr(-1), and emission rate is 1.13 Gg yr(-1) CO2 equivalent emissions of 1.9 Tg yr(-1) are comparable to HFC-365mfc and HFC-236fa

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