Coast and Beach - Observing Erosion And Deposition, Emergent Coasts, Submergent Coasts, The Sand Budget, Barrier Islands
The coast and beach, where the continents meet the sea, are dynamic environments where agents of erosion vie with processes of deposition to produce a set of features reflecting their complex interplay and the influences of changes in sea level, climate, sediment supply, etc. "Coast" usually refers to the larger region of a continent or island that is significantly affected by its proximity to the sea, whereas "beach" refers to a much smaller region, usually just the areas directly affected by wave action.
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