AERIAL of shoreline with narrow strip of beach and buildings. AERIAL TRACKING along shore of Barrier Island. AERIAL of salt marsh. CU TILT DOWN grasses in salt marsh to surface of water. Time-lapse LS of salt marsh drying up. AERIAL over marsh and mud flats. LS of salt marsh, PAN of silt and seaweed. DISSOLVE to CU PAN of seaweed clumps on mud. Time-lapse MS of rising tide covering seaweed, mud. CU of seaweed, mud covered with rising tide, camera submerging. (407)