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Table 2 Estimated parameters of superposed two curves

From: Quantitative relationship between plume emission and multiple deflations after the 2014 phreatic eruption at Ontake volcano, Japan

PathA1 (kg/m3)A2 (kg/m)Mass ratio*a
26(3.89 ± 1.93) × 103(− 9.79 ± 1.24) × 10110.814 ± 0.104
20(4.64 ± 3.25) × 102(− 1.02 ± 0.02) × 10120.975 ± 0.015
  1. aMass ratio is defined as \(Q_{\text{d}} \left( {t = t_{\text{f}} } \right)/Q_{\text{out}} \left( {t = t_{\text{f}} } \right)\), where \(t_{\text{f}}\) is final time of this analysis (1027 days)