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)
300M├Ârner and Etiope (2002)
540This work