title: Atmospheric carbon dioxide and radiocarbon in the natural carbon cycle: I. Quantitative deductions from records at Mauna Loa Observatory and at the South Pole.
mesh_terms: D000818:Animals; D000864:Antarctic Regions; D001272:Atmosphere; D002244:Carbon; D002245:Carbon Dioxide; D002250:Carbon Radioisotopes; D055593:Geological Phenomena; D005844:Geology; D006254:Hawaii; D006801:Humans; D008956:Models, Chemical; D009791:Oceanography; D010944:Plants; D012623:Seawater; D013997:Time Factors
chemical_list: D002250:Carbon Radioisotopes; D002245:Carbon Dioxide; D002244:Carbon