CONTENTS 



FIGURES--Continued 



Page 

 3-29 Verification of flow predominance. Savannah Harbor model 10.3 



3-30 Verification of tidal-cycle salinities, Columbia River Estuary model .... 105 



3-31 Oscillating fans for mixing 107 



3-32 Verification of salinity ratios, Matagorda Bay model 108 



3-33 Verification of long-term salinity profiles, Delaware River model 110 



3-34 Verification of long-term salinity conditions, Delaware River model Ill 



3-35 Verification of hurricane surge, Narragansett Bay model 112 



3-36 Verification of hurricane surge, Galveston Bay surge model ... 112 



3-37 Verification of shoaling distribution. Savannah Harbor model 114 



3-38 Verification of shoaling distribution, Umpqua River Estuary model 115 



3-39 Verification of shoaling distribution, Masonboro Inlet model 116 



3-40 Verification of dye dispersion, San Diego Bay model 118 



3-41 Verification of heat dispersion, Delaware River model 119 



3-42 Columbia River entrance • . . . . 127 



3-43 Effects of south jetty plan 2 and jetty B on Columbia River entrance 



shoaling 128 



3-44 Effects of jetty B on Columbia River entrance salinities 130 



3-45 Elements of Wauna-Lower Westport Bar improvement plan, Columbia River 



Estuary 131 



3-46 Effects of enlarged channel on shoaling at Wauna-Lower Westport Bar, 



Columbia River Estuary 132 



3-47 Effects of improvement plan on shoaling at Wauna-Lower Westport Bar, 



Columbia River Estuary 132 



3-48 James River model 134 



3-49 Effects of channel enlargement on salinity profiles, James River 135 



3-50 Effects of channel enlargement on average salinities, Q = 11,500 cubic 



feet per second, James River 135 



3-51 Effects of channel enlargement on average salinities, Q = 3,200 cubic 



feet per second, James River 136 



3-52 Effects of channel enlargement on average salinities, Q = 1,000 cubic 



feet per second, James River 136 



3-53 Umpqua River entrance 138 



