Table 7

Global volcanic subaerial CO2 flux (Mt/yr)

CO2 fluxReference
79Gerlach (1991)
145Varekamp et al. (1992)
66Allard (1992)
88Marty and Le Cloarec (1992)
65Williams et al. (1992)
136Sano and Williams (1996)
242Marty and Tolstikhin (1998)
99Kerrick (2001)
300Mörner and Etiope (2002)
540This work