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| Description: Stabilizing the Shore Erosion problems along U.S. Coasts Atlantic and Gulf Coasts Development occurs mainly on barrier islands Face open ocean Receive full force of storms Development has taken place more rapidly than our understanding of barrier island dynamics Erosion problems along U.S. Coasts Pacific Coast Characterized by relatively narrow beaches backed by steep cliffs and mountain ranges Major problem is the narrowing of the beaches Sediment for beaches is interrupted by dams and reservoirs Rapid erosion occurs along the beaches Shoreline classification is difficult Classification based on changes with respect to sea level Emergent coast Caused by Uplift of the land, or A drop in sea level Classification based on changes with respect to sea level Emergent coast Features of an emergent coast Wave-cut cliffs Marine terraces Submergent coast Caused by Land adjacent to sea subsides, or Sea level rises Features of a submergent coast Highly irregular shoreline Estuaries – drowned river mouths Picture Stats: Views: 293 Filesize: 968.78kB Height: 958 Width: 557 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39710 |