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Tag Archives: debris flows
Small amounts of CO2 can get Mars gullies flowing
[Editor’s note: From a paper by Tjalling de Haas and six co-authors recently published in the Journal of Geophysical Research.] Initiation and Flow Conditions of Contemporary Flows in Martian Gullies • We use RAMMS to back calculate initial and flow … Continue reading
Posted in Reports
Tagged CO2, debris flows, gullies, Hale Crater, mass wasting, particle flows
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HiRISE: It’s all about that flow
It’s all about that flow. There are a number of crevasse-like features here. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, crevasse, debris flows, glaciers, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, mid-latitude glaciers, MRO, NASA, periglacial processes, University of Arizona
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HiRISE: A mass of viscous flow features
Viscous, lobate flow features are commonly found at the bases of slopes in the mid-latitudes of Mars, and are often associated with gullies. These features are bound by ridges that resemble terrestrial moraines, suggesting that these deposits are ice-rich, or … Continue reading
Posted in Reports
Tagged debris flows, flowlines, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, mud flows, NASA, University of Arizona, viscous flow features
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HiRISE: Terminal lobes of a large debris flow in Melas Chasma
Terminal lobes of a large debris flow in Melas Chasma. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, debris flows, High Resolution Imaging Science Experiment, HiRISE, lobate debris aprons, Mars Reconnaissance Orbiter, Melas Chasma, MRO, NASA, University of Arizona
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HiRISE: Hues in a crater slope
Impact craters expose the subsurface materials on steep slopes. However, these slopes often experience rockfalls and debris avalanches that keep the surface clean of dust, revealing a variety of hues, like in this enhanced-color image, representing different rock types. The … Continue reading
Posted in Reports
Tagged debris flows, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, mass wasting, MRO, NASA, rockfalls, University of Arizona
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HiRISE: Flow near Reull Vallis
Flow near Reull Vallis. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, debris flows, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, mud flows, NASA, Reull Vallis, University of Arizona, viscous flow features
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A mud flow on Mars?
Planetary Geomorphology Image of the Month, October 31, 2015: Lionel Wilson (Lancaster University, UK) and Peter Mouginis-Mark (University of Hawaii). Image 1 shows a distinctive flow deposit southwest of the Cerberus Fossae on Mars. The flow source is a ~20 … Continue reading
Posted in Reports
Tagged Cerberus Fossae, debris flows, Medusae Fossae Formation, mud flows
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THEMIS: Debris flow
THEMIS Image of the Day, April 14, 2015. This VIS image shows downslope movement of material from the hill at the top of the image. Linear ridges and channels are visible on the surface to the debris flow deposit. More … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, debris flows, ice, Mars Odyssey, NASA, rock glaciers, THEMIS, Thermal Emission Imaging System
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HiRISE: Gullies and viscous flow feature
Gullies and viscous flow feature in Nereidum Montes. Acquiring another picture at a different angle will help to create a stereo pair, possibly then an anaglyph, which will help to measure the thickness of the deposits here. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, debris flows, gullies, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, Nereidum Montes, University of Arizona
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THEMIS: Debris flow
THEMIS Image of the Day, April 8, 2015. Today’s THEMIS image was taken using the infrared camera. Bright toned material is warmer than dark toned surfaces. Material has moved downslope from the top of this hill in Promethei Terra. The … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, debris aprons, debris flows, infrared, Mars Odyssey, mass wasting, NASA, Promethei Terra, THEMIS, Thermal Emission Imaging System
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