Table 14.

Altimetry Reflectometry EPM

Regime	AR01	AR02	AR03	AR04	AR05	AR06
Surface Roughness	Ridged Plains	Chaotic Terrain	Ridged Plains	Ridged Plains	Chaotic Terrain	Ridged Plains
Near-Surface Density	Non-Porous	Non-Porous	Porous	Non-Porous	Non-Porous	Porous
Near-Surface Thickness	Thick	Thick	Thick	Thick	Thick	Thin
Near-Surface Comp.	Clean Ice	Clean Ice	Clean Ice	Brine-Filled Ice	Brine-Filled Ice	Clean Ice
Off-Nadir Surface Feature	–	–	–	–	–	–
Deep Regolith	–	–	–	–	–	–
Surface Temperature	–	–	–	–	–	–
Ice Shell Composition	–	–	–	–	–	–
Ice Shell Thickness	–	–	–	–	–	–
Subsurface Water Interface	–	–	–	–	–	–
Basal Temperature	–	–	–	–	–	–
(Salt Layer Thickness)	–	–	–	–	–	–
(Salt Layer Depth)	–	–	–	–	–	–