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Background
Understanding the Dynamics dynamics of large ice sheets (like Greenland and Antarctica) are is crucial to projections of future sea level rise. The dynamics of ice sheets span a wide range of scales. There are localized regions (like grounding lines and ice streams) where very fine spatial resolution (better than 1 km) is needed to accurately resolve the dynamics. At the same time, there are large regions (much of the interior of Antarctica, for example) where such fine resolution is unnecessary and represents a waste of computational resources. This makes it a prime candidate for adaptive mesh refinement.
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