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.Iournal of Coastal Research 4[)7 4HI Fort Lauderdale, Florida Spring 1992 I Inlet Migration and Hydraulic Processes at East Pass, Florida Andrew Morang Coastal Engineering Research Center U.S,Army Engineer Waterways Experiment Station Vicksburg, MS ;~9180-6199. U.S.A. ABSTRA{=T _ MOHAN(;, A., 1992. Inlet Migrat ion and Hydraulic Processes at East Pass, Florida. Journal (if Coast.al ,ttlllllll:. Research, Hen, ·1;)7 481. Fort Lauderdale (Florida), ISSN 0719-0208. East Pass, a tidal inlet in the Florida Panhandle between Pensacola and Panama City, connects Choc •• • tawhatchee Bay to the Gulf of Mexico. From 198;{ t.o 1991, the U.S. Army Corps of Engineers sponsored ~ ~ a monitoring project to measure waVCH, currents. tidal elevations, bathymetry, and shoreline changes at ass'#" the site. Based on these data and on historical records, a three-phase model has heen developed which --+4 describes the inlet's behavior during the last. 120 years. The first phase (pre-1928) is of spit development 1+-- and breaching and covers the period when the pass was oriented in a northwest-southeast direction between Choctawhatchee Bay and the Gulf. From 1928 to 1968, the inlet was characterized by the second phase: stable throat position but with a main ebb channel that migrated over a developing ebb-tidal delta. This phase covers the time after the inlet breached through Santa Rosa Island in a north-south direction and began to migrate to the east. The third phase, spanning 1968, when rubble-mound jetties were built, to the present is characterized by a stable throat and ebb channel, and ebb-tidal shoal growth.
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