Figure 2

Mean and variation of recovery time including the effect of unknown vent fields. (a) Mean recovery time (τ_i; white points) and 95% CI (thick and thin lines) calculated by the model without effect of unknown vent fields (equation (1), or equation (2) with u = 0). Here, thick and thin lines indicate the 95% CI when K_i was fixed at the mean of P_K (i.e., K_i = 10,000) and when it was also assigned from P_K, respectively. (b–d) The same result for u = 1, 2, 3, respectively. In (a–d), points with light colors indicate τ_i for other u values. For u = 0, 1, 2, 3, we set r = 17.4, 16.7, 16, 15.6, respectively, to keep median of τ_is as five years. (e) The reduction of mean recovery time within a region, defined as \({\langle {{\rm{\Delta }}{\rm{\tau }}}_{{\rm{i}}}({\rm{u}}+1)\rangle }_{{\rm{reg}}}={\langle {{\rm{\tau }}}_{{\rm{i}}}({\rm{u}}+1)\rangle }_{{\rm{reg}}}-{\langle {{\rm{\tau }}}_{{\rm{i}}}({\rm{u}})\rangle }_{{\rm{reg}}}\) is shown. Here, 〈·〉_reg is used to emphasize that it is the mean of recovery time within a region.