DBA53EAC-DA6C-49EE-B16F-37660DF8B1F3A Century-long Record of Trace Gases in the Northern Hemisphere from the NEEM Ice Core Drilling Project in GreenlandResearch GrantNE/F021194/18A03ED41-E67D-4F4A-B5DD-AAFB272B6471NERCINCOME_ACTUAL420213BCBFE28B-E1DA-44D9-AD5C-9F1D6BCADD66Chlorine isotope composition in chlorofluorocarbons CFC-11, CFC-12 and CFC-113 in firn, stratospheric and tropospheric airAtmospheric Chemistry and Physicse62225075e7b6cf3f2e4c81649dda5f7Allin S2015-01-01http://dx.doi.org/10.5194/acp-15-6867-201516807324http://dx.doi.org/10.5194/acp-15-6867-201512Journal Article/Review56b4b82f345e85.07826972