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9 Feb 2004: 1. Two different experimental channels were used: omeasuring 100 cm long, 15 cm wide and 10 cm deep; andother measuring 200 cm long, 20 cm wide and 25 cm deIn both ... 9 3.0 10.0 30.0 289.5 0.150 1.333 326.2 244.8A22 9 3.0 8.0 24.0 200.0 0.173 1.383

9 Mar 2004: 288 B.J. Spencer, H.E. Huppert / Journal of Crystal Growth 200 (1999) 287—296. ... B.J. Spencer, H.E. Huppert / Journal of Crystal Growth 200 (1999) 287—296 291.

9 Feb 2004: We demonstrate that the ash-laden flow travelled over the ground in a currentof order 1 km high travelling at a typical speed of 200 m s1. ... The solid curve represents (3.26a) withβ = 0.1 andθ = 350.The dashed lines enclose the theoretical values for

9 Mar 2004: The mushy layer starts to grow more slowlythan predicted by the theory after about 200 minutes. ... This is likely to be an indirectconsequence of the brine expulsion which begins at about 200 minutes, as shown infigure 6.

9 Feb 2004: particle size, experiments were run with four different initial par-ticle masses of 50 g, 100 g, 200 g and 400 g suspended in 2 litresof water. ... U (cm s-1)0 5 10 15 20 25 30. 0. 200.

9 Mar 2004: a)35. 30. 25. 20. 15. 100 100 200 300 400 500.

9 Mar 2004: 700. 600. 500. 400. 300. 200. 1000 20 40 60 80 100 120. ... R8. R9. 600. 500. 400. 300. 200. 100. 0 20 40 6050 70.

9 Mar 2004: τc = (γ/U)3, (3.6). which is around 200 s for our experiments. ... 0.4. – 0.6. 80. 60. 40. 20. 0 50 100 150 200. –

9 Mar 2004: Each new time step rN (t) is updated using(12). Typically, we used 200 y-intervals and a time step of 0.002, but the convergenceand resolution (accurate to at least ... 4.2. H = 1. 0 50 100 150 200. –uN. Figure 14.

9 Mar 2004: 100 m abovethe valley floor on the southern margins of the depres-sion, more than 200 m above the eastern slope of GuaneGuane Hill (12 km west of the source area,