1995/03/25 by J. N. Hayashi, B. M. Jakosky, R. M. Haberle · 30 citations
Physics and Astronomy · Engineering · Environmental Science · #Planetary Science and Exploration #Space Exploration and Technology #Atmospheric aerosols and clouds #Albedo (alchemy) #Mars Exploration Program #Thermal #Opacity #Atmosphere (unit) #Atmosphere of Mars #Geometric albedo #Geology #Atmospheric sciences #Martian #Thermal inertia #Environmental science #Astrobiology #Meteorology #Physics #Astrophysics #Optics
paper · doi:10.1029/94je02449
published in Journal of Geophysical Research Atmospheres 100(E3), 5277-5284 (American Geophysical Union)
openalex publication_date 1995/03/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/23
We examine the effects of a dusty CO 2 atmosphere on the thermal inertia and thermally derived albedo of Mars and we present a new map of thermal inertias. This new map was produced using a coupled surface atmosphere (CSA) model, dust opacities from Viking infrared thermal mapper (IRTM) data, and CO 2 columns based on topography. The CSA model thermal inertias are smaller than the 2% model thermal inertias, with the difference largest at large thermal inertia. Although the difference between the thermal inertias obtained with the two models is moderate for much of the region studied, it is largest in regions of either high dust opacity or of topographic lows, including the Viking Lander 1 site and some geologically interesting regions. The CSA model thermally derived albedos do not accurately predict the IRTM measured albedos and are very similar to the thermally derived albedos obtained with models making the 2% assumption.