Mass and energy budgets of explosive volcanic eruptions

Details Mass and energy budgets of explosive volcanic eruptions Mass and energy budgets of explosive volcanic eruptions

Mar 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995georl..22..563p&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 22, no. 5, p. 563-566

Physics

11

Effusives, Energy Budgets, Explosions, Mass, Particle Size Distribution, Thermal Energy, Volcanoes, Magma, Rates (Per Time), Thermodynamics

Scientific paper

Analysis of the frequency-size relationship of explosive volcanic eruptions for the past 2000 years reveals that the time-averaged eruptive mass flux of tephra from subaerial explosive eruptions is 3 x 10(exp 4)kg/s. This mass flux corresponds to a thermal energy release of 4 x 10(exp 10)W. Half of the long-term (greater than 10(exp 3) year) mass and thermal energy release from explosive volcanic eruptions is accounted for by eruptions of greater than 10 cu km of tephra.

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