supported by the International Science&Technology Cooperation Program of China(Grant Nos.2015DFG21960&2011DFA21090);the National Natural Science Foundation of China(Grant Nos.40905066,41175116,41273097,41505108&41505123);the CMA Climate Change Program(Grant No.CCSF201331),the CMA Operational Fund(Grant No.CMAGJ2013M73);the Graduate Research and Innovation Projects of Universities in Jiangsu Province(Grant No.KYLX_0834);the CAMS Fundamental Research Funds(Grant Nos.2014Y005,2015Y002&2014Z004)
Non-dispersive infrared (NDIR) and cavity ring-down spectroscopy (CRDS) CO2 analyzers use 12CO2 isotopologue absorption lines and are insensitive to all or part of other CO2-related isotopologues. This may produce...