publication . Article . 2004

Observations of martian gullies and constraints on potential formation mechanisms

Heldmann, Jennifer L.; Carlsson, Ella; Johansson, Henrik; Toon, Owen B.; Mellon, Michael T.;
Open Access
  • Published: 28 Jan 2004
Abstract
The formation process(es) responsible for creating the observed geologically recent gully features on Mars has remained the subject of intense debate since their discovery. We present new data and analysis of northern hemisphere gullies from Mars Global Surveyor data which is used to test the various proposed mechanisms of gully formation. We located 137 Mars Orbiter Camera (MOC) images in the northern hemisphere that contain clear evidence of gully landforms and analyzed these images in combination with Mars Orbiter Laser Altimeter (MOLA) and Thermal Emission Spectrometer (TES) data to provide quantitative measurements of numerous gully characteristics. Paramet...
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free text keywords: Space and Planetary Science, Astronomy and Astrophysics, Thermal Emission Spectrometer, Mars Exploration Program, Mars Orbiter Laser Altimeter, Martian, Ridge, geography.geographical_feature_category, geography, Remote sensing, Alcove, Geology, Geomorphology, Landslide, Landform
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