Fig. 11From: Variation of volcanic gas composition during the eruptive period in 2014–2015 at Nakadake crater, Aso volcano, JapanVariation of the representative compositions of A series (SO2/H2O = 3; red), B series (SO2/H2S = 30; blue) and C-series (SO2/H2S = 300; green). a CO2/SO2 molar ratio, b H2O/SO2 molar ratio, and d apparent equilibrium temperatureBack to article page