0.25
T1h_case 1
0.20
T1h_case 2
T1h_case 3
0.15
T1h_case 4
0.10
0.05
0.00
0.001
0.01
0.1
1
10
100
Concentration (g/l)
0.25
T1h_case 1
0.20
T1h_cas e 2
T1h_cas e 3
0.15
T1h_cas e 4
0.10
0.05
0.00
0.01
0.1
1
10
Concentration (g/l)
Figure 77. Measurements of sediment concentration for successive wave runs at
the same cross-shore transect for the spilling-breaker case (top panel
shows measurements from incipient breaker zone; bottom panel
shows measurements from midsurf zone)
Figure 78 shows concentration measurements for the plunging-breaker case
that were made at a position in the incipient breaker zone. In general, a greater
degree of variability from run to run is evident for this wave condition. This also
is attributed to differences in beach morphology that existed in the bar region for
each of the cases. Repeatability in LST rates, based on trap measurements, is
discussed later in this chapter.
132
Chapter 10
Longshore Sediment Transport Experiments
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