supported by the National Key Research and Development Program of China (Grant No. 2017YFB0504000);the National Natural Science Foundation of China (Grant Nos. 41575034 and 41175030);the Russian Science Foundation [Grant Nos. 14-47-00049 (ZOTTO and Beijing data), 16-17-10275 (Moscow and ZSS data) and 14-17-00096 (Peterhof data analysis)];the Russian Foundation for Basic Research (Grant No. 16-05-00732)
A comparative study was carried out to explore carbon monoxide total columnar amount(CO TC) in background and polluted atmosphere, including the stations of ZSS(Zvenigorod), ZOTTO(Central Siberia), Peterhof, Bei...