TY - JOUR A1 - Vardag, S. N. A1 - Hammer, S. A1 - Levin, I. T1 - Evaluation of 4 years of continuous δ13C(CO2) data using a moving Keeling plot method JO - Biogeosciences J1 - BG VL - 13 IS - 14 SP - 4237 EP - 4251 Y1 - 2016/07/26 PB - Copernicus Publications SN - 1726-4189 UR - https://bg.copernicus.org/articles/13/4237/2016/ L1 - https://bg.copernicus.org/articles/13/4237/2016/bg-13-4237-2016.pdf DO - 10.5194/bg-13-4237-2016 ER -