Thermal structure of the Martian mesosphere

Details Thermal structure of the Martian mesosphere Thermal structure of the Martian mesosphere

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...196..296r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 196, no. 1-2, May 1988, p. 296-300.

Astronomy and Astrophysics

Astrophysics

4

Atmospheric Temperature, Carbon Dioxide, Infrared Spectroscopy, Mars Atmosphere, Mesosphere, Emission Spectra, Line Spectra, Spatial Resolution, Mars, Atmosphere, Mesosphere, Structure, Thermal Properties, Spectra, Spectroscopy, Earth-Based Observations, Temperature, Patterns, Infrared, Polar Regions, Wavelengths, Equipment, Procedure, Carbon Dioxide, Emissions

Scientific paper

The Martian atmosphere has been studied by heterodyne spectroscopy in May 1984 during opposition of Mars using the 3 m Infrared Telescope Facility in Hawaii. A number of CO2 emission lines were observed which are a sensitive indicator of Martian mesospheric temperature. This temperature was derived from the relative intensity of a series of spectral lines (rotational temperature). The method is less subject to observational ambiguities than the evaluation of temperature from line widths. A large scale temperature pattern is presented for the first time using this method. Specifically a polar warming in the Northern summer to a value of 73±22K above the temperature of the subsolar point is evident.

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