Figure F8. A. Core porosities from ODP Site 889/890, smoothed porosity profile after Athy's law (Athy, 1930), neutron porosity log at Site 889, and Yuan et al. (1996) porosity reference profile. B. Reference velocity profiles nd ODP Site 889/890 sonic log and seismic interval velocities. VSP = vertical seismic profile, sed. = sediment, re-proc. = reprocessed. C. Gas hydrate concentrations from the Lee et al. (1993) equation reference. D. Gas hydrate concentrations from the Hyndman et al. (1993) reference with an empirical porosity-velocity function. E. Gas hydrate concentrations from the Jarrad et al. (1995) reference with a slightly revised empirical porosity-velocity function. F. Gas hydrate concentrations using the Yuan et al. (1996) reference profile for accreted sediments (from Riedel et al., 2005).
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