Coastal Morphology and the Recent Rise in Sea Level
137
a
b
Fig. 5.7 a, b. Sea level rise and East Coast morphology. a Drowned river valleys, Cape Cod. Barrier
beaches migrate into the entrance of the estuary, as spits, and restrict access to the open sea. b
Close-up of a migrating spit, Buzzard's Bay. Migration is to the left. Note forced detouring of the
tidal channel. [Photo courtesy D. L. Eicher]
137
a
b
Fig. 5.7 a, b. Sea level rise and East Coast morphology. a Drowned river valleys, Cape Cod. Barrier
beaches migrate into the entrance of the estuary, as spits, and restrict access to the open sea. b
Close-up of a migrating spit, Buzzard's Bay. Migration is to the left. Note forced detouring of the
tidal channel. [Photo courtesy D. L. Eicher]