Not exact matches
This is a conceptual model summarizing the evolution of the major structures on Aluto
volcano and their controls on surface volcanism, geothermal fluids, and
degassing.
For Pavlof in particular, the scientists say in their paper, this distinction could help monitor the hazards produced during explosive
degassing by the
volcano.
«Temperatures initially dropped because of decreasing CO2
degassing from
volcanoes.
Degassing of ash erupted during 1976 by Augustine
Volcano in Alaska released 525 x 106 kg of chlorine (± 40 %), of which 82 x 106 to 175 x 106 kg may have been ejected into the stratosphere as hydrogen chloride [HCl].
This conclusion accords with measurements of 13C / 12C carbon isotopes in atmospheric CO2, which show a maximum of 4 % anthropogenic CO2 in the atmosphere (including any biogenic CO2), with 96 % of the atmospheric CO2 being isotopically indistinguishable from «natural» inorganic CO2 exchanged with and
degassed from the ocean, and
degassed from
volcanoes and the Earth's interior (Segalstad, 1992).