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Modelling floods that formed canyons on Earth, Mars

from Science Daily

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 only on Earth but on Mars. Now geoscience researchers have proposed and tested a new model of canyon-forming floods that suggests that deep canyons can be formed in bedrock by significantly less water than previously thought. more

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