publication . Article . 2009

Modeling of methane bubbles released from large sea-floor area: Condition required for methane emission to the atmosphere

Yamamoto, A.; Yamanaka, Y.; Tajika, E.;
Open Access English
  • Published: 15 Jul 2009 Journal: Earth and Planetary Science Letters, volume 284, issue 3-4, pages 590-598 (issn: 0012-821X, Copyright policy)
  • Publisher: Elsevier B.V.
Abstract
Massive methane release from sea-floor sediments due to decomposition of methane hydrate, and thermal decomposition of organic matter by volcanic outgassing, is a potential contributor to global warming. However, the degree of global warming has not been estimated due to uncertainty over the proportion of methane flux from the sea-floor to reach the atmosphere. Massive methane release from a large sea-floor area would result in methane-saturated seawater, thus some methane would reach the atmosphere. In this study, we discussed the possibility of the methane release from a large sea-floor area to the atmosphere focusing on methane saturation in the water column ...
Subjects
free text keywords: gas hydrate, methane, bubble dissolution modeling, global warming, Paleocene-Eocene thermal maximum
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Article . 2009
Provider: JAIRO
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