Tag Archives: wind erosion

HiRISE: Rhythmic layers east of Medusae Fossae

The surface of this image looks wavy, like that of the sea. These wave shapes are the result of erosion: the removal of material, which has been ongoing for millions, if not billions, of years. This erosion is likely performed … Continue reading

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The evolution of Endeavour Crater

[Editor’s note: From a paper by Madison Hughes and five co-authors recently published in the Journal of Geophysical Research.] Degradation of Endeavour Crater Based on Orbital and Rover‐Based Observations in Combination With Landscape Evolution Modeling • Landscape evolution modeling indicates … Continue reading

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THEMIS: Chasma Boreale in false color

THEMIS Image of the Day, February 25, 2019. This false color image is located near the head of Chasma Boreale, a large trough in the north polar cap. The floor of the trough is mostly ice free. The linear features … Continue reading

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THEMIS: Yardangs in Candor Chasma

THEMIS Image of the Day, January 22, 2019. This VIS image shows part of the eastern end of Candor Chasma. The upper edge of the canyon is at the bottom of the image. The slopes of the chasma are eroded … Continue reading

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HiRISE: Layered deposits in northern mid-latitudes

Layered deposits in the northern mid-latitudes. The objective of this observation is to examine layered features in an irregularly shaped depression and a nearby crater. Some researchers have suggested that the shape of mounds in large craters may be due … Continue reading

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THEMIS: Galle Crater floor features

THEMIS Image of the Day, December 5, 2018. This VIS image shows a small portion of the floor of Galle Crater. This large crater is located on the eastern side of Argyre Planitia. The floor of Galle Crater contains many … Continue reading

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Mars Express: Shaping the surface with water, wind, and ice

ESA’s Mars Express has imaged an intriguing part of the Red Planet’s surface: a rocky, fragmented, furrowed escarpment lying at the boundary of the northern and southern hemisphere. This region is an impressive example of past activity on the planet … Continue reading

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Tibetan Plateau has analogs for Mars yardangs

[Editor’s note: From a paper by Jiang Wang and eight co-authors recently published in the Journal of Geophysical Research.] Geological Features and Evolution of Yardangs in the Qaidam Basin, Tibetan Plateau (NW China): A Terrestrial Analogue for Mars • We … Continue reading

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THEMIS: Wind-driven blowouts in Eumenides Dorsum

THEMIS Image of the Day, August 17, 2018. Eumenides Dorsum is a large linear rise located in southern Amazonis Planitia. Erosion by wind action is prevalent in this region. The horseshoe shaped depressions, called blowouts, indicate the major wind direction … Continue reading

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HiRISE: Inverted channel on elevated terrain

An inverted channel on elevated terrain. Interesting fluvial processes that might help improve our understanding of the deposits in the Medusae Fossae Formation. Beautiful Mars series. [More at links]

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