Mariner 9 ultraviolet spectrometer experiment: Pressure-altitude measurements on Mars
Ultraviolet spectrometer measurements of the reflectance at 3050 Å are modeled to give pressure-altitudes for Mars assuming a quiescent atmosphere. Ultraviolet light that is Rayleigh-scattered by the Mars molecular atmosphere, with allowance for uniform turbidity, is proportional to surface pressure...
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| Veröffentlicht in: | Icarus (New York, N.Y. 1962) N.Y. 1962), 1974-01, Vol.21 (3), p.292,IN1,301-300,IN4,302 |
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| Sprache: | eng |
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| container_end_page | 300,IN4,302 |
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| container_issue | 3 |
| container_start_page | 292,IN1,301 |
| container_title | Icarus (New York, N.Y. 1962) |
| container_volume | 21 |
| creator | Hord, C.W. Simmons, K.E. McLaughlin, L.K. |
| description | Ultraviolet spectrometer measurements of the reflectance at 3050 Å are modeled to give pressure-altitudes for Mars assuming a quiescent atmosphere. Ultraviolet light that is Rayleigh-scattered by the Mars molecular atmosphere, with allowance for uniform turbidity, is proportional to surface pressure independent of atmospheric temperature structure. All model constants except the over-all scaling factors are found by requiring ultraviolet spectrometer pressures of 47 locations on the planet to be the same when measured at different geometries. The overall scaling factor is found by intercomparison with Mariner 9 occultation pressures. Comparison with other Mars pressure-altitude measurements show deviations from the assumption of uniform turbidity to occur over the Hesperia plateau for ultraviolet measurements obtained during the 13–26 February 1972 time period. |
| doi_str_mv | 10.1016/0019-1035(74)90044-X |
| format | Article |
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| ispartof | Icarus (New York, N.Y. 1962), 1974-01, Vol.21 (3), p.292,IN1,301-300,IN4,302 |
| issn | 0019-1035 1090-2643 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_22164879 |
| source | Elsevier ScienceDirect Journals |
| title | Mariner 9 ultraviolet spectrometer experiment: Pressure-altitude measurements on Mars |
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