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- Lab-0025 + (Although we understand the process of crat … Although we understand the process of cratering reasonably well we have a limited understanding about how cratering and the cratered surface influences the role of other longer-term surface processes. For example, on heavily cratered surfaces of the Moon, Mars, and Mercury, which have not been altered by plate tectonics like on Earth, how do the craters affect the flow and collection of water? Of wind? And of the sediments transported by both water and wind? These are fundamental questions in our understanding of planetary bodies and their potential habitability. </br></br>This lab introduces what we know about impact cratering, some of the principles we use to simulate a cratered surface (after Howard, 2007), and allows students to explore the effects of stream-power erosion and diffusive erosion on a cratered landscape. Throughout this lab, quantities relevant to Mars are used, but impact cratering is a universal process across our solar system and the models could just as easily be applied to any cratered surface, while the surface processes could be modified to reflect the relevant processes on that planetary body.relevant processes on that planetary body.)
