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There are a total of 69 record(s) matching your query.
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Diurnal variations in optical depth at Mars: Observations and interpretations
Author(s): Colburn, D. S.; Pollack, J. B.; Haberle, R. M.
Abstract: Viking lander camera images of the Sun were used to compute atmospheric optical depth at two sites over a period of 1 to 1/3 martian years. The complete set of 1044 optical depth determinations is presented in graphical and ...
NASA Center: Ames Research Center
Publication Year: 1988
Added to NTRS: 2008-08-18
Accession Number: 88N25420; Document ID: 19880016036; Report Number: A-88067, NAS 1.15:100057, NASA-TM-100057
The Pascal Mars Scout Mission
Author(s): Haberle, R. M., et al.
Abstract: Except for Earth, Mars is the planet most amenable to surface-based climate studies. Its surface is accessible, and the kind of observations that are needed, such as meteorological measurements from a long-lived global ...
NASA Center: Ames Research Center
Publication Year: 2002
Added to NTRS: 2008-06-02
Document ID: 20030018095
Atmospheric effects on the mapping of Martian thermal inertia and thermally derived albedo
Author(s): Hayashi, J. N.; Jakosky, B. M.; Haberle, R. M.
Abstract: The most widely used thermal inertia data for Mars assumes the atmospheric contribution is constant and equal to 2 percent of the maximum solar insolation. Haberle and Jakosky investigated the effect of including a dusty CO2 ...
NASA Center: Ames Research Center
Publication Year: 1994
Added to NTRS: 2008-06-02
Accession Number: 94N36137; Document ID: 19940031630
A model for the evolution of CO2 on Mars
Author(s): Haberle, R. M.; Tyler, D.; Mckay, C. P.; Davis, W. L.
Abstract: There are several lines of evidence that suggest early Mars was warmer and wetter than it is at present. Perhaps the most convincing of these are the valley networks and degraded craters that characterize much of the ancient ...
NASA Center: Ames Research Center
Publication Year: 1993
Added to NTRS: 2008-06-02
Accession Number: 94N21671; Document ID: 19940017198
Characteristics of the Martian atmosphere surface layer
Author(s): Clow, G. D.; Haberle, R. M.
Abstract: Elements of various terrestrial boundary layer models are extended to Mars in order to estimate sensible heat, latent heat, and momentum fluxes within the Martian atmospheric surface ('constant flux') layer. The atmospheric ...
NASA Center: Ames Research Center
Publication Year: 1990
Added to NTRS: 2008-05-31
Accession Number: 91N22988; Document ID: 19910013675
Characteristics of the Martian atmosphere surface layer
Author(s): Clow, G. D.; Haberle, R. M.
Abstract: Researchers extend elements of various terrestrial boundary layer models to Mars in order to estimate sensible heat, latent heat, and momentum fluxes within the Martian atmospheric surface layer. To estimate the molecular ...
NASA Center: Ames Research Center
Publication Year: 1991
Added to NTRS: 2008-05-31
Accession Number: 92N10804; Document ID: 19920001586
Free convection in the Matian atmosphere
Author(s): Clow, G. D.; Haberle, R. M.
Abstract: The 'free convective' regime for the Martian atmospheric boundary layer (ABL) was investigated. This state occurs when the mean windspeed at the top of the ABL drops below some critical value U(sub c) and positive buoyant ...
NASA Center: Ames Research Center
Publication Year: 1990
Added to NTRS: 2008-05-31
Accession Number: 91N22989; Document ID: 19910013676
Free convection in the Martian atmosphere
Author(s): Clow, G. D.; Haberle, R. M.
Abstract: Researchers investigated the free convective regime for the Martian atmospheric boundary layer (ABL). Researchers generalized Schumann's model describing horizontal fluctuations and mean vertical gradients occurring during ...
NASA Center: Ames Research Center
Publication Year: 1991
Added to NTRS: 2008-05-31
Accession Number: 92N10803; Document ID: 19920001585
Interannual variability of global dust storms on Mars
Author(s): Haberle, R. M.
Abstract: Global dust storms on Mars occur in some years but not in others. In years with global dust storms, dust is raised in the Southern Hemisphere and spread over much of the planet by an intensified Hadley circulation. In years ...
NASA Center: Ames Research Center
Publication Year: 1987
Added to NTRS: 2008-05-30
Accession Number: 89N10792; Document ID: 19890001421
The Mars Pathfinder atmospheric structure investigation/meteorology (ASI/MET) experiment
Author(s): Schofield, J. T.; Barnes, J. R.; Crisp, D.; Haberle, R. M.; Larsen, S.; Magalhaes, J. A.; Murphy, J. R.; Seiff, A.; Wilson, G.
Abstract: The Mars Pathfinder atmospheric structure investigation/meteorology (ASI/MET) experiment measured the vertical density, pressure, and temperature structure of the martian atmosphere from the surface to 160 km, and monitored ...
NASA Center: Jet Propulsion Laboratory
Publication Year: 1997
Added to NTRS: 2006-08-02
Document ID: 20040172832
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