Articles | Volume 16, issue 1
Atmos. Chem. Phys., 16, 365–382, 2016
https://doi.org/10.5194/acp-16-365-2016
Atmos. Chem. Phys., 16, 365–382, 2016
https://doi.org/10.5194/acp-16-365-2016

Research article 18 Jan 2016

Research article | 18 Jan 2016

Global and regional emissions estimates of 1,1-difluoroethane (HFC-152a, CH3CHF2) from in situ and air archive observations

P. G. Simmonds et al.

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We report regional and global emissions estimates of HFC-152a using high frequency measurements from 11 observing sites and archived air samples dating back to 1978 together with atmospheric transport models. The "bottom-up" emissions of HFC-152a reported to the UNFCCC appear to significantly underestimate those reported here from observations. This discrepancy we suggest arises from largely underestimated USA and undeclared Asian emissions.
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