Global patterns in cloud forms on Mars |
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| Authors: | Richard G French Peter J Gierasch Bruce D Popp Roger J Yerdon |
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| Institution: | Center for Radiophysics and Space Research, Cornell University, Ithaca, New York 14853, USA;Center for Radiophysics and Space Research, Cornell University, Ithaca, New York 14853, USA |
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| Abstract: | Mariner 9 images and all Viking orbiter images through July 1979 were searched for cloud forms. A computer-accessible catalog was assembled, consisting of a classification of cloud type (lee wav wave, for example) and properties (directionality, wavelength, for example). Lee wave directionality shows a pattern and seasonal variation at high latitudes which is consistent with predictions of theoretical modeling. Fog and haze occurrence shows no obvious correlation with water abundance or any other simple causal factor. Lee waves are rare at equatorial latitudes. Plumes (probably dust) occur preferentially at locations where strong boundary layer convection is expected. |
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