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Tag Archives: fluvial erosion
THEMIS: Branching channels of Arda Valles
THEMIS Image of the Day, December 29, 2016. Today’s false color image shows some of the many channels that make up Arda Valles. Their shape and meandering courses suggest that they were eroded by flowing streams or rivers. The THEMIS … Continue reading
Posted in Reports
Tagged Arda Valles, Arizona State University, ASU, fluvial channels, fluvial erosion, fluvial landforms, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, valley networks
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Karun Valles & its braided alluvial fan
Planetary Geomorphology Image of the Month, September 29, 2016: Solmaz Adeli (DLR, Institute of Planetary Research, Berlin). The Amazonian period on Mars, meaning roughly the last 3 Ga, is globally believed to have been cold and hyperarid [e.g., Marchant and … Continue reading
Posted in Reports
Tagged alluvial fan deposits, alluvial fans, Ariadnes Colles, cataracts, fluvial channels, fluvial deposits, fluvial erosion, fluvial landforms, Karun Valles, streamlined islands, Terra Cimmeria
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Mars had lakes & streams long after early wet era
Lakes and snowmelt-fed streams on Mars formed much later than previously thought possible, according to new findings using data primarily from NASA’s Mars Reconnaissance Orbiter. The recently discovered lakes and streams appeared roughly a billion years after a well-documented, earlier … Continue reading
Posted in Reports
Tagged Arabia Terra, fluvial channels, fluvial deposits, fluvial erosion, fluvial landforms, lakes, paleolakes, streamlined islands
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THEMIS: Ares Vallis
THEMIS Image of the Day, May 10, 2016. This VIS image shows part of the complex channel floor of Ares Vallis. More THEMIS Images of the Day by geological topic.
Posted in Reports
Tagged Ares Vallis, Arizona State University, ASU, fluvial erosion, Mars Odyssey, NASA, outflow channels, THEMIS, Thermal Emission Imaging System
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