61B-31-044
Flight 61B; 9.5N, 138E, 4:49:25 GMT, 26 Nov 1985
Yap, in the Caroline Islands, is an excellent example of a barrier reef with a narrow lagoon.
Following the concept developed by Charles Darwin, the island lagoon complex is early in
the barrier stage. Entrances to the lagoon occur on three sides of the island and are the means
by which the flooding and ebbing tides flow through the lagoon.
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