Coastal dunes are dynamic landforms—they grow, erode, change shape and move across the landscape as wind interacts with the dune environment. The section on Processes describes the basics of how wind shapes dunes and gives examples of how various Lake Michigan coastal dunes are changing.

The section on Research describes the studies and methods that have been used to measure sand movement and dune change. Ongoing studies at P.J. Hoffmaster State Park provide much of the information for this website.

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