Large-scale volcano-ground ice interactions on Mars

Details Large-scale volcano-ground ice interactions on Mars Large-scale volcano-ground ice interactions on Mars

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...70..385s&link_type=abstract

Icarus (ISSN 0019-1035), vol. 70, June 1987, p. 385-408. NASA-supported research.

Mathematics

Logic

99

Land Ice, Mars Atmosphere, Mars Surface, Mars Volcanoes, Thermodynamics, Atmospheric Circulation, Conductive Heat Transfer, Mars Photographs, Photointerpretation, Planetary Geology, Radiative Heat Transfer, Mars, Volcanism, Ice, Interactions, Thermodynamics, Numerical Methods, Calculations, Spacecraft Observations, Viking Missions, Orbiters, Models, Transport, Conduction, Radiation, Heat Transfer, Atmosphere, Terrain, Permafrost, Eruptions, Volcanism, Lava Flows, Aeolis Mensae, Topography, Morphology, Fluid

Scientific paper

In the present investigation of Martian volcano-ground ice interaction processes, a numerical model is developed that encompasses conductive heat transport, surface radiation, heat transfer to the atmosphere, and H2O phase-changes in an ice-rich permafrost over which lave flows erupt, followed by the intrusion of sills. An examination is made of the two large scale interaction regions formed near Aeolis Mensae and near the volcano Hadriaca Patera, northeast of Hellas. The inferred channel discharges are compared to discharge rates calculated for lava-ground ice interactions, showing that meltwater (probably accumulated under the surface) was rapidly released at a discharge rate that was limited by soil permeability. The volcano-ground ice interactions have been an important Martian geologic process, and could account for the palagonites constituting the Martian dust.

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