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Boletín de Geología
versão impressa ISSN 0120-0283
Resumo
PONCE, Patricia. ESTIMATION OF THE EMISSIONS OF SULPHUR DIOXIDE - SO2, ASSOCIATED WITH THE GROWTH OF A LAVA DOME IN GALERAS VOLCANO IN 2008. bol.geol. [online]. 2017, vol.39, n.1, pp.69-81. ISSN 0120-0283. https://doi.org/10.18273/revbol.v39n1-2017003.
The amount of sulphur dioxide (SO2) emitted in 2008 during the ascent and extrusion of a lava dome in Galeras volcano was estimated and the behavior of emissions was compared with other parameters such as earthquakes associated with fluid motion and volcanic deformation. The flux of SO2 is the parameter that begins to show the rise of the 2008 lava dome, the other parameters reflect similar behavior but with time lags. Using a wind speed average value of 5 m/s, was estimated that 334.947 tons of SO2 were emitted into the atmosphere, equivalent to 2,2% of the global total annual volcanic emissions and 15,9% of the annual emissions of the South America subduction zone volcanoes.
Palavras-chave : Galeras volcano; Sulphur Dioxide; lava dome.