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Earth, Planets and Space
Fig. 6 | Earth, Planets and Space

Fig. 6

From: Mass eruption rates in pulsating eruptions estimated from video analysis of the gas thrust-buoyancy transition—a case study of the 2010 eruption of Eyjafjallajökull, Iceland

Fig. 6

a Example of an evolving ash pulse in the 2010 Eyjafjallajökull eruption, at 10 May, 18:39 (UTC). Its outlines were traced frame-by-frame, in order to obtain the expansion rates of the enclosed areas. Based on this parameter, it is possible to evaluate the dynamic development of the pulse. b Example of an experimentally generated ash pulse in the 2009 Spinazzola large-scale ash plume generation experiments (Dellino et al. 2010). Its dynamics have shown significant similarities to those of natural magmatic eruptions

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