Skip to main content

Table 4 Dust lag and diffusion timescales for 1-10 μm palagonite series

From: Experimental and theoretical simulation of sublimating dusty water ice with implications for D/H ratios of water ice on Comets and Mars

Run H 2 O Eq Layer Estimated Lag C KOSI Mantle R 2 Effective Pore
   Thickness ( m kg -1 s -0.5 ) Diffusivity   Radius *
7 536.8 μm 6.78 μm 1.3 × 1019 2.0 × 10-7m2s-1 0.95 2.8 × 10-10m
8A 421.3 μm 16.3 μm 2.8 × 1018 2.9 × 10-8m2s-1 0.76 4.0 × 10-11m
8B 325.4 μm 12.5 μm 1.6 × 1018 8.9 × 10-9m2s-1 0.79 1.2 × 10-11m
9 408.8 μm 32.6 μm 1.9 × 1018 2.5 × 10-8m2s-1 0.77 3.5 × 10-11m
10 250.2 μm 30.9 μm 1.2 × 1018 1.5 × 10-8m2s-1 0.67 2.1 × 10-11m
11 547.0 μm 228 μm 2.7 × 1018 2.1 × 10-7m2s-1 0.42 2.9 × 10-10m
12 1017 μm 126 μm 5.5 × 1018 3.3 × 10-7m2s-1 0.75 4.5 × 10-10m
  1. *Assuming that the pressure decline can only be explained without considering adsorption