Tag Archives: fluvial processes

THEMIS: Jezero Crater delta landing site

THEMIS Image of the Day, August 12, 2019. At the top of today’s VIS image is a delta deposit that was created by the flow from the rim channel into the crater. Deltas form when sediments settle out due to … Continue reading

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

Evidence for fluvial deposition in Arabia Terra

[Editor’s note: From a paper by Joel Davis and six co-authors recently published in the Journal of Geophysical Research.] A Diverse Array of Fluvial Depositional Systems in Arabia Terra: Evidence for mid‐Noachian to Early Hesperian Rivers on Mars • Fluvial … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

HiRISE: Channels and ripples in Schoner Crater

Channels and ripples in Schoner Crater. A HiWish public suggestion: “We would like a HiRISE image of the selected area to look for evidence of both fluvial and aeolian processes on the crater wall. Specifically, we are looking for channels … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

Rivers raged on Mars late into its history

Long ago on Mars, water carved deep riverbeds into the planet’s surface — but we still don’t know what kind of weather fed them. Scientists aren’t sure, because their understanding of the Martian climate billions of years ago remains incomplete. … Continue reading

Posted in Reports | Tagged , , , , , , , , | Comments Off

THEMIS: Channels flowing from a ridge

THEMIS Image of the Day, November 9, 2018. This VIS image is located in Terra Sirenum. The bright linear feature at the bottom of the image is the crest of a ridge. The multiple channel features toward the top of … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

HiRISE: Channels and ripples along crater walls

Channels and ripples along crater walls. From the science rationale: “We would like a HiRISE image of the selected area to look for evidence of both fluvial and aeolian processes on the crater wall. Specifically, we are looking for channels … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

The largest delta on Mars?

Planetary Geomorphology Image of the Month, September 1, 2018: Jacob Adler (Arizona State University). Ancient river deltas are found in many locations on Mars [see Di Achile & Hynek, 2010 and references therein], and are formed as sediment drops out … Continue reading

Posted in Reports | Tagged , , , , , , | Comments Off

River and lake landforms in Melas Chasma

[Editor’s note: From a paper by Joel Davis and five co-authors recently published in the Journal of Geophysical Research.] Episodic and Declining Fluvial Processes in Southwest Melas Chasma, Valles Marineris, Mars • Episodic fluvial processes occurred in the southwest Melas … Continue reading

Posted in Reports | Tagged , , , , , , , | Comments Off

HiRISE: Gullies in a crater in Acidalia Planitia

Gullies in a crater in Acidalia Planitia. The objective of this observation is to examine gullies on the north wall of a crater. The slope looks quite steep and the gullies are fairly straight. Beautiful Mars series. [More at links]

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

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]

Posted in Reports | Tagged , , , , , , , , , , , , , , , | Comments Off