Discover and read the best of Twitter Threads about #wateronmars
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Check out our new paper in @nature. We show that at least 25% of the total martian valley network volume formed from catastrophic lake breach floods (1/10): nature.com/articles/s4158…
Valley networks on #Mars are somewhat analogous to river valleys on Earth but differ morphologically. Maybe this is a sign that instead of forming from precipitation, #martian valleys are a result of groundwater or glacial erosion, or even lava. (2/10) 
Alternatively, my co-authors (Goudge et al., 2019) previously showed some valleys formed catastrophically from lake breach flooding. How do we know they were catastrophic? The downstream valley volume closely correlates with the inferred volume of water in the #paleolake (3/10)
