Fig. 13
From: Physical characteristics of scoriae and ash from 2014–2015 eruption of Aso Volcano, Japan

Pressure gradient as a function of the flow rate per unit area. The superimposed numbers indicate the permeabilities
From: Physical characteristics of scoriae and ash from 2014–2015 eruption of Aso Volcano, Japan
Pressure gradient as a function of the flow rate per unit area. The superimposed numbers indicate the permeabilities