From: Remotely assessing tephra fall building damage and vulnerability: Kelud Volcano, Indonesia
Ranges from literature | Inversion optimisation range | Optimised value | |
---|---|---|---|
Plume height (km a.s.l.) | 18 - 26a | 18–26 | 21.4 |
Tephra mass (1010 kg) | 38 - 66b | 10–100 | 68.8 |
Median particle size (phi) | -3 – 1b,c | -3 - 1 | 0.88 |
Phi standard deviation | 1 – 3b,c | 1–3 | 1.04 |
Diffusion coefficient (m s−2) | n.a. | 0.0001–10,000 | 8155 |
Fall time threshold (s) | n.a. | 0.001–10,000 | 9712 |
Plume profile (α) | n.a. | 3 | 3 |
Plume profile (β) | n.a. | 0.001–3 | 2.97 |