Fig. 4: Comparison of measured (xm, vm) and theoretical (xj, vj) values for pre-constriction flow thickness and pre-constriction flow velocity.
From: Lava effusion in mountainous terrain generates flow backup and excess inundation
Theoretical values are calculated using the Jeffreys’ equation (Eq. 3); theoretical (a) velocities and (b) thicknesses are calculated using viscosity (μ) and density (ρ) values for the mean temperature of each experiment. Mean measured thicknesses (xm) are used to calculate theoretical velocities (vj) and mean measured velocities (vm) are used to calculate theoretical thicknesses (xj). Solid line indicates a 1:1 match between measured and theoretical values; dashed lines indicate a 10% deviation. Horizontal error bars represent the range of measured velocity or thickness during the experiment. Vertical error bars represent the range of theoretical velocities or thicknesses, controlled by the maximum and minimum temperatures (and therefore maximum and minimum ρ and μ of each experiment).
