Table III: Mapping Measurement Requirements to Instrument Type/Proof-of-Concept for Science Sub-mm: Nadir PSAR SWIR Required Measurements (from ) Angle T, wind, Polar Mapper Mapper Camera water (v) Sounder Coverage Coverage Extent & volume of water ice in non-polar regions B T T Extent & Volume of buried CO2 ice in the polar caps B T B B Shallow subsurface structure of cap & layered S-A1 B T terrain (PLDs) Improved mapping of cap morphology, structure, & T B B composition - as a function of season Seasonal mapping of surface water & CO2 frost B T T T Polar Radiative Balance B T B T S-A2 Polar Atmospheric Environment: water vapor, B B T T temperature, wind, clouds Fine scale morphology T as a function Mineralogy, hydration state, & surface B B T T S-B1 of season & temperature time of day Water vapor changes in lowermost B atmosphere Sediment flux in key locales: including dunes, S-B2 T gullies, dust streaks Vertical profiles of horizontal wind components & S-C1 T T(p) with good precision even in dusty atmosphere; Vertical profiles of aerosol (dust & ice), & water S-C2 T T vapor S-C3 Daily global mapping of dust, clouds, & surface frost T Fine-scale composition & morphology in ancient S-D T B T B terrain S-E1 Phobos/Deimos shape, morphology, gravity T B B Phobos/Deimos surface mineral composition & S-E2 T T thermophysical properties
Table III: Mapping Measurement Requirements to Instrument Type/Proof-of-Concept for Science Required Measurements (from ) PSAR SWIR Mapper Mapper Camera Sub-mm: T, wind, water (v) Sounder Coverage Nadir Polar Coverage S-A1 Extent & volume of water ice in non-polar regions B T T Extent & Volume of buried CO2 ice in the polar caps B T B B Shallow subsurface structure of cap & layered terrain (PLDs) B T Improved mapping of cap morphology, structure, & composition - as a function of season T B B S-A2 Seasonal mapping of surface water & CO2 frost B T T T Polar Radiative Balance B T B T Polar Atmospheric Environment: water vapor, temperature, wind, clouds B B T T S-B1 Fine scale morphology as a function of season & time of day T Mineralogy, hydration state, & surface temperature B B T T Water vapor changes in lowermost atmosphere B S-B2 Sediment flux in key locales: including dunes, gullies, dust streaks T S-C1 Vertical profiles of horizontal wind components & T(p) with good precision even in dusty atmosphere; T S-C2 Vertical profiles of aerosol (dust & ice), & water vapor T T S-C3 Daily global mapping of dust, clouds, & surface frost T S-D Fine-scale composition & morphology in ancient terrain T B T B S-E1 Phobos/Deimos shape, morphology, gravity T B B S-E2 Phobos/Deimos surface mineral composition & thermophysical properties T T Angle
NEX-SAG_draft_v29_FINAL.docx