Fig. 5.
From: 3D numerical simulation of volcanic eruption clouds during the 2011 Shinmoe-dake eruptions
(a) Top view of the isosurface of ξ = 0.01 at 480 s and (b) depositional pattern of marker particles at ground level; dashed curves in (b) represent isomass lines from the 26–27 January 2011 sub-Plinian eruptions of the Shinmoe-dake volcano, as observed in the field (Maeno et al., 2012). Parameters used and vent conditions are given in Table 1. Inset in (b) is the infrared image taken by MTSAT-2 at 18:00 JST on January 26. The dotted lines in (a) and (b) represent the axis direction of the horizontally moving cloud observed by the satellite image.