Institute of Computational Mathematics and Mathematical Geophysics SB RAS

International Conference on Mathematical Methods in Geophysics «MMG-2008»

Akademgorodok, Novosibirsk, Russia, October 13-15, 2008

Abstracts

Mathematical and Statistical Simulation in Problems of the Physics of Atmosphere, Ocean, and Environmental Protection

Mathematical simulation of possible methane flux into the atmosphere from decomposed subbottom methanehydrates during the last glacial ice-age

Scherbakov A.V., Malakhova V.V.

Ugra Research Institute of Information Technologies (Khanty-Mansyisk),
Institute of Computational Mathematics and Mathematical Geophysics of SB RAS

The three-dimensional mathematical model of the ocean dynamics with the dissolved gas transport model by the ocean currents is used for the quantitative evaluation of the scale of a possible methane flux into the atmosphere from the decomposed subbottom methanehydrates. The ocean model response on change of sea surface temperanure till values of the last glacial maximum is analyses. The results of the experiments as a whole give a reasonable coincidence of the methane flux into the atmosphere and the time of the beginning of destabilization with available estimations.

Note. Abstracts are published in author's edition

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