Methods: Limited to CTX coverage (85% of martian surface), mapped from 54,023 CTX images with global 90-90 deg coverage.
Note: Updated since Paper was published. Paper included 4861 landforms.
Citation Harrison TN, Osinski GR, Tornabene LL, Jones E (2015) Global documentation of gullies with the Mars Reconnaissance Orbiter Context Camera and implications for their formation. Icarus 252:236–254
Significance Our observations support ground ice or snowmelt as water source for gully formation.
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