CONTENTS — Continued 



Page 

 A-58 Fire Island Inlet, New York: overlapping offset 4-142 



4-59 Old Drum Inlet, North Carolina: negligible offset 4-143 



4-60 Ebb-tidal delta showing volumes accumulated in outer shoals 



adjacent to Boca Grande Inlet, Florida 4-149 



4-61 Typical ebb-tidal delta morphology 4-150 



4-62 Bathymetry off the Merrimack River Inlet, Massachusetts 4-151 



4-63 Old Drum Inlet, about 10 kilometers north of Cape Hatteras, 



North Carolina 4-153 



4-64 Measurement of channel parameters 4-154 



4-65 Measurement of ebb delta area 4-154 



4-66 Minimum width cross-sectional area of channel A^ versus 



channel length L 4-155 



4-67 Kq versus ebb-tidal delta area 4-155 



4-68 A^ versus maximum channel depth at minimum width section 



DMX 4-156 



4-69 Ajj versus minimum controlling channel depth DCC 4-156 



4-70 Tidal prism versus cross-sectional area for all inlets on 



Atlantic, gulf, and Pacific coasts 4-158 



4-71 Variations in cross-sectional area for Wachapreague Inlet 4-159 



4-72 Schematic 'diagram of flood and ebb currents outside an inlet 4-159 



4-73 Wave refraction patterns in vicinity of Merrimack River 



Estuary entrance just south of the Merrimack Inlet 4-160 



4-74 Sea-inlet-bay system 4-161 



4-75 Dimensionless maximum velocity versus Kj^ and K2 4-163 



4-76 Ratio of bay to sea tidal amplitude versus Kj^ and K2 4-163 



4-77 Mean high water shoreline changes at Redfish Pass, 1929-1967 4-168 



4-78 Large-scale inlet migration at the Monomoy-Nauset Inlet, Cape 



Cod, Massachusetts, 1846-1965 4-169 



4-79 Inlet changes at Hampton Harbor, New Hampshire, 1776-1931 4-169 



