Global carbon dioxide emission to the atmosphere by volcanoes

Global carbon dioxide emission to the atmosphere by volcanoes

Global emission of carbon dioxide by subaerial volcanoes is calculated, using CO 2 SO 2 from volcanic gas analyses and SO 2 flux, to be 34 ± 24 × 10 l2 g CO 2 yr from passive degassing and 31 ± 22 × 10 12 g CO 2 yr from eruptions. Volcanic CO 2 presently represents only 0.22% of anthropogenic emissi...

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Veröffentlicht in:Geochimica et cosmochimica acta 1992-04, Vol.56 (4), p.1765-1770
Hauptverfasser: Williams, Stanley N, Schaefer, Stephen J, Marta Lucia Calvache, V, Lopez, Dina
Format: Artikel
Sprache:eng
Schlagworte:
540120 - Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-)
580000 - Geosciences
ATMOSPHERIC CHEMISTRY
CARBON COMPOUNDS
CARBON CYCLE
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMISTRY
CLIMATE MODELS
CLIMATIC CHANGE
DEGASSING
ECOLOGICAL CONCENTRATION
ENVIRONMENTAL EFFECTS
ENVIRONMENTAL SCIENCES
FLUIDS
GAS ANALYSIS
GASES
GEOSCIENCES
GLOBAL ASPECTS
GREENHOUSE EFFECT
MATHEMATICAL MODELS
OXIDES
OXYGEN COMPOUNDS
PALEOCLIMATOLOGY
PALEONTOLOGY
VOLCANIC GASES
VOLCANOES
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Zusammenfassung:Global emission of carbon dioxide by subaerial volcanoes is calculated, using CO 2 SO 2 from volcanic gas analyses and SO 2 flux, to be 34 ± 24 × 10 l2 g CO 2 yr from passive degassing and 31 ± 22 × 10 12 g CO 2 yr from eruptions. Volcanic CO 2 presently represents only 0.22% of anthropogenic emissions but may have contributed to significant “greenhouse” effects at times in Earth history. Models of climate response to CO 2 increases may be tested against geological data.
ISSN:0016-7037
1872-9533
DOI:10.1016/0016-7037(92)90243-C