摘要: Abstract The Mars Global Surveyor thermal emission spectrometer has made observations of Mars' north polar region for nearly a full martian year. Measurements bolometric and reflectance, as well brightness temperatures in specific bands synthesized from radiance spectra, are used to track the behavior surface atmospheric temperatures, distribution condensed CO 2 H O, occurrence dust storms. grain size night is variable space time, influenced by conditions. Some locations display concentration O frost indicate presence long-term water-ice near surface. Annual budgets solid range up 1500 kg m −2 ; preliminary analysis suggests significant transport energy into latitudes 70°N during night.
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