LIST OF TABLES 



No. 



1 Major Capabilities and Limitations of GENESIS Version 2 20 



2 Data Required for Shoreline Change Modeling 36 



3 Example Inputs for Complex Structure Configurations in START.DAT . . 145 



4 Sample Entries Illustrating Development of the WAVES File 162 



5 Comparison Between Measured and Hindcast Waves 163 



6 Calculated Annual Potential Transport Rates 164 



7 Modified Average Wave Height Because of Shadowing by Lorain Harbor . 166 



LIST OF FIGURES 



No. Page 



1 Operation of GENESIS through an interface 10 



2 Shoreline change measured near a long groin 18 



3 Comparison of beach change models 21 



4 Major steps in project planning and execution 26 



5 Model coordinate system 34 



6 Definition sketch for shoreline change calculation 51 



7 Template to determine the effective sand grain size 58 



8 Empirical determination of the depth of closure 60 



9 Operation of wave transformation models 63 



10 Definition of breaking wave angles 66 



11 Definition sketch for wave calculation 68 



12 Wave angles in contour modification 70 



13 Shoreline change as a function of transmission 72 



14 Example of representative contour 73 



15 GENESIS, RCPWAVE, and the overall calculation flow 75 



16 Energy windows and transport calculation domains 78 



17 Diffraction coefficient for two sources 80 



18 Finite difference staggered grid 85 



19 Example of a coordinate system and grid used by GENESIS 98 



20 Gated boundary condition 100 



21 Combinations of lateral boundary conditions 101 



22 Schematic of input and output file structure of GENESIS 102 



23 Example START file 120 



24 Example SHORL file 123 



25 Example SHORM file 125 



26 Example SEAWL file 126 



27 Example WAVES files 130 



28 Example SETUP file 131 



29 Example OUTPT file 133 



30 Example legal structure placements 140 



31 Example illegal structure placements 141 



32 Parameters associated with detached breakwaters 142 



33 Legal placement of simple groins 143 



34 Examples of complex groin and jetty configurations 144 



6 



