CONTENTS 



FIGURES— Continued 



Page 

 3-82 Effects of Tocks Island Dam on salinities, Delaware River 178 



3-83 Vermilion Bay model 179 



3-84 High salinity survey. Southwest Pass open, Vermilion Bay 182 



3-85 High salinity survey. Southwest Pass closed, Vermilion Bay 182 



3-86 Location of Surry Nuclear Power Station, James River 183 



3-87 Excess temperature distributions, Surry Nuclear Power Station, plan 1, 



James River 186 



3-88 Excess temperature distributions, Surry Nuclear Power Station, plan 2, 



James River 187 



3-89 Effects of freshwater discharge on salinity profiles, Delaware River .... 190 



3-90 Time required to reestablish salinity conditions at State line, Delaware 



River 191 



3-91 Effects of tidal range on salinity profiles for mean freshwater discharge, 



Delaware River 192 



3-92 Effects of tidal range on salinity profiles for low freshwater discharge, 



Delaware River 193 



3-93 Effects of sea level on salinity profiles, Delaware River 194 



4-1 Effects of surface tension in the design of wave models 218 



4-2 Effects of internal friction in the design of wave models 219 



4-3 Effects of bottom friction in the design of wave models, d- = 15 feet. . . . 221 



4-4 Effects of bottom friction in the design of wave models, dp = 30 and 



60 feet .222 



4-5 Similitude of permeability for core material, geometrical similar models . . 224 



4-6 Similitude of permeability for core material in distorted-scale models . . . 233 



4-7 Harbor model under construction 236 



4-8 Wave patterns and base test conditions, Lorain Harbor model 239 



4-9 Wave patterns and proposed plan, Lorain Harbor model 240 



4-10 Wave generator with a trapezoidal plunger 241 



4-11 Vertical-bulkhead wave generator 242 



4-12 Location map, Marina del Rey, California 244 



4-13 Marina del Rey model limits 245 



