TY - JOUR A1 - Platt, U. A1 - Allen, W. A1 - Lowe, D. T1 - Hemispheric average Cl atom concentration from 13C/12C ratios in atmospheric methane JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2004 SP - 2283 EP - 2300 Y1 - 2004/05/04 PB - Copernicus Publications SN - 1680-7375 UR - https://acp.copernicus.org/preprints/4/2283/2004/ L1 - https://acp.copernicus.org/preprints/4/2283/2004/acpd-4-2283-2004.pdf DO - 10.5194/acpd-4-2283-2004 ER -