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Tag Archives: catastrophic floods
THEMIS: Streamlined islands in Athabasca Valles
THEMIS Image of the Day, July 2, 2019. This VIS image shows part of the channel called Athabasca Valles. Several streamlined islands are visible at the top of the image. The source of the flood was likely an outburst of … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Athabasca Valles, catastrophic floods, fluvial channels, fluvial landforms, Mars Odyssey, NASA, outflow channels, streamlined islands, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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Did Mars Pathfinder explore edge of northern ocean?
NASA’s first rover mission to Mars, the Pathfinder, imaged an extraterrestrial marine spillover landscape 22 years ago, according to a new paper by Planetary Science Institute Senior Scientist Alexis Rodriguez. The landing site is on the spillway of an ancient … Continue reading
Posted in Reports
Tagged Ares Vallis, catastrophic floods, Mars Pathfinder, Oceanus Borealis, outflow channels, Simud Valles, Sojourner rover, Tiu Valles
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HiRISE: Erosion within Cerberus Fossae
A Context Camera image shows a small bench in the middle of the Cerberus Fossae at the head of Athabasca Valles. Small cataracts appear on this bench. Do these reflect erosion as water drained back into the subsurface at the … Continue reading
Posted in Reports
Tagged Athabasca Valles, Beautiful Mars, cataracts, catastrophic floods, Cerberus Fossae, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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Giant channels carved by repeated small floods?
Geomorphologists who study Earth’s surface features and the processes that formed them have long been interested in how floods, in particular catastrophic outbursts that occur when a glacial lake ice dam bursts, for example, can change a planet’s surface, not … Continue reading
Posted in Reports
Tagged canyons, catastrophic floods, Channeled Scablands, outburst floods, outflow channels
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