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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 deltas, fluvial landforms, fluvial processes, Jet Propulsion Laboratory, Jezero Crater, JPL, landing sites, M2020, Mars 2020, Mars 2020 rover, NASA
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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 Arabia Terra, fluvial channels, fluvial deposits, fluvial erosion, fluvial landforms, fluvial processes, inverted channels, lacustrine sediments, lake bed sediments, open-basin lakes, paleolakes, sedimentary deposits, sinuous ridge, valleys
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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 channels, craters, eolian processes, fluvial processes, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, Schoner Crater, University of Arizona
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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 Curiosity, fluvial channels, fluvial erosion, fluvial landforms, fluvial processes, Gale Crater, Mars Science Laboratory, MSL, valley networks
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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 Arizona State University, ASU, channels, fluvial channels, fluvial landforms, fluvial processes, Mars Odyssey, NASA, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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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 Beautiful Mars, craters, eolian processes, fluvial processes, gullies, High Resolution Imaging Science Experiment, HiRISE, Isidis Planitia, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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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 alluvial fan deposits, alluvial fans, deltas, fluvial deposits, fluvial landforms, fluvial processes, Hypanis Valles
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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 climate change, fluvial landforms, fluvial processes, lake bed sediments, Melas Chasma, open-basin lakes, paleolakes, Valles Marineris
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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 Acidalia Planitia, Beautiful Mars, fluvial processes, gullies, High Resolution Imaging Science Experiment, HiRISE, linear gullies, Mars Reconnaissance Orbiter, mass wasting, MRO, NASA, University of Arizona
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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]
Posted in Reports
Tagged Beautiful Mars, eolian processes, fluvial channels, fluvial deposits, fluvial processes, High Resolution Imaging Science Experiment, HiRISE, inverted channels, inverted topography, Mars Reconnaissance Orbiter, Medusae Fossae Formation, MRO, NASA, University of Arizona, wind erosion, yardangs
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