Mathematics
Scientific paper
May 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991sdum.nasa...49p&link_type=abstract
In NASA. Ames Research Center, Sand and Dust on Mars p 49-50 (SEE N91-27057 18-91)
Mathematics
Albedo, Heat Balance, Mars Surface, Mathematical Models, Polar Regions, Surface Temperature, Thermal Mapping, Viking Orbiter Spacecraft, Annual Variations, Brightness, Diurnal Variations, Latitude, Mars Atmosphere, Temperate Regions, Thermal Emission, Thermodynamic Properties
Scientific paper
The first maps are presented of the north and south polar regions of Mars. The thermal properties of the midlatitude regions from -60 deg to +60 deg latitude were mapped in previous studies. The presented maps complete the mapping of entire planet. The maps for the north and south polar regions were derived from Viking Infrared Thermal Mapper (IRTM) observations. Best fit thermal inertias were determined by comparing the available IRTM 20 micron channel brightness within a given region to surface temperatures computed by a diurnal and seasonal thermal model. The model assumes no atmospheric contributions to the surface heat balance. The resulting maps of apparent thermal inertia and average IRTM measured solar channel lambert albedo for the north and south polar regions from the poles to +/- 60 deg latitude.
Keegan Kenneth D.
Paige David A.
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