FIGURE
PAGE
2-24
Refraction by a Submarine Ridge and Submarine Canyon . . . 2-77
2-25
Refraction Along an Irregular Shoreline...................................................2-77
2-26 Wave Incident on a Breakwater....................................................................... 2-80
2-27
Wave Diffraction at Channel Islands Harbor Breakwater,
California..........................................................................................................2-82
2-28 Wave Diffraction Diagram - 15° Wave Angle...........................................2-83
2-29 Wave Diffraction Diagram - 30° Wave Angle...........................................2-84
2-30 Wave Diffraction Diagram - 45° Wave Angle...........................................2-85
2-31 Wave Diffraction Diagram - 60° Wave Angle...........................................2-86
2-32 Wave Diffraction Diagram - 75° Wave Angle...........................................2-87
2-33 Wave Diffraction Diagram - 90° Wave Angle...........................................2-88
2-34 Wave Diffraction Diagram - 105° Wave Angle........................................2-89
2-35 Wave Diffraction Diagram - 120° Wave Angle........................................2-90
2-36 Wave Diffraction Diagram - 135° Wave Angle........................................2-91
2-37 Wave Diffraction Diagram - 150° Wave Angle........................................2-92
2-38 Wave Diffraction Diagram - 165° Wave Angle........................................2-93
2-39 Wave Diffraction Diagram - 180° Wave Angle........................................ 2-94
2-40
Diffraction for a Single Breakwater Normal Incidence . . . 2-95
2-41
Schematic Représentation of Wave Diffraction Overlay . . . 2-97
2-42
Generalized Diffraction Diagram for a Breakwater Gap
Width of Two Wave Lengths (B/L = 2).............................................. 2-99
2-43
Contours of Equal Diffraction Coefficient; Gap Width =
0.5 Wave Length (B/L =0.5)................................................................ 2-100
2-44
Contours of Equal Diffraction Coefficient; Gap Width =
1 Wave Length (B/L = 1),.....................................................................2-100
2-45
Contours of Equal Diffraction Coefficient; Gap Width =
1.41 Wave Lengths (B/L = 1.41)....................................................... 2-101
2-46
Contours of Equal Diffraction Coefficient; Gap Width =
1.64 Wave Lengths (B/L = 1.64)....................................................... 2-101
2-47
Contours of Equal Diffraction Coefficient; Gap Width =
1.78 Wave Lengths (B/L =1.78)....................................................... 2-102
2-48
Contours of Equal Diffraction Coefficient; Gap Width =
2 Wave Lengths (B/L = 2).................................................................... 2-102
2-49
Contours of Equal Diffraction Coefficient; Gap Width =
2.50 Wave Lenghts (B/L =2.50).......................................................2-103
2-50
Contours of Equal Diffraction Coefficient; Gap Width =
2.95 Wave Lengths (B/L =2.95).......................................................2-103
2-51
Contours of Equal Diffraction Coefficient; Gap Width =
3.82 Wave Lengths (B/L = 3.82).......................................................2-104
2-52
Contours of Equal Diffraction Coefficient; Gap Width =
5 Wave Lengths (B/L = 5).................................................................... 2-104
2-53
Diffraction for a Breakwater Gap of Width > SL (B/L > 5) . 2-105
2-54
Wave Incidence Oblique to Breakwater Gap.....................................2-105
2-55
Diffraction for a Breakwater Gap of One Wave Length Width
(4> = 0 and 15°).......................................................................................... 2-106
2-56
Diffraction for a Breakwater Gap of One Wave Length Width
(4> = 30 and 45°)................................................................. 2-107
2-57
Diffraction for a Breakwater Gap of One Wave Length Width
(4> = 60 and 75°)................................................................
2-108
xii