Tag Archives: debris flows

Small amounts of CO2 can get Mars gullies flowing

Posted on August 29, 2019 by rburnham

[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 →

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HiRISE: It’s all about that flow

Posted on August 1, 2018 by rburnham

It’s all about that flow. There are a number of crevasse-like features here. Beautiful Mars series. [More at links]

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HiRISE: A mass of viscous flow features

Posted on March 6, 2017 by rburnham

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 →

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HiRISE: Terminal lobes of a large debris flow in Melas Chasma

Posted on February 21, 2017 by rburnham

Terminal lobes of a large debris flow in Melas Chasma. Beautiful Mars series.

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HiRISE: Hues in a crater slope

Posted on January 4, 2017 by rburnham

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 →

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HiRISE: Flow near Reull Vallis

Posted on September 16, 2016 by rburnham

Flow near Reull Vallis. Beautiful Mars series.

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A mud flow on Mars?

Posted on October 30, 2015 by rburnham

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 →

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THEMIS: Debris flow

Posted on April 14, 2015 by rburnham

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 →

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HiRISE: Gullies and viscous flow feature

Posted on April 13, 2015 by rburnham

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.

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THEMIS: Debris flow

Posted on April 8, 2015 by rburnham

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 →

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