CONTENTS —Cont inued 



FIGURES 



Page 

 3-1 Umpqua River Estuary model 62 



3-2 Artificial bends in C§D Canal, Delaware River model 63 



3-3 Artificial bend in Hudson River, New York Harbor model 64 



3-4 Chesapeake Bay model 67 



3-5 Columbia River Estuary model 68 



3-6 Savannah Harbor model 69 



3-7 Lake Pontchartrain model 70 



3-8 Prototype data stations, Masonboro Inlet 71 



3-9 Prototype temperature stations, Delaware River 75 



3-10 Rough-graded templates 76 



3-11 Model ready for paving 78 



3-12 Sketching details before molding 79 



3-13 Completed section of model 80 



3-14 Trough for later installation of enlarged channel 81 



3-lS Operation of pumped inflow and gravity outflow tide generator 83 



3-16 Automatic Data Acquisition and Control System (ABACS) 83 



3-17 Mechanically programed overflow weir tide generator 84 



3-18 Gravity inflow and gravity outflow tide generator 85 



3-19 Lixator 87 



3-20 Typical littoral current generator 90 



3-21 Model velocity meter 93 



3-22 Typical current pattern photo 95 



3-23 Verification of tides. New York Harbor model 99 



3-24 Verificition of tides, Columbia River Estuary model 99 



3-25 Typical correlation between tidal range and maximum velocity, Gastineau 



Channel model 101 



3-26 Verification of current velocities, Umpqua River Estuary model 102 



3-27 Verification of current velocities. New York Harbor model 102 



3-28 Verification of flow predominance, Columbia River Estuary model 103 



