1400
T3g
1200
T3g_case1
T3G_case2
1000
T3G_case3
800
600
400
200
0
-5
0
5
10
15
Distance from Shoreline (m)
Figure 96. Cross-shore distribution of the LST rate, for the plunging-breaker
case
exposed. Wave uprush interacts with the bricks and induces sediment suspension
and transport. Depending on the sequencing and strength of uprush and
downrush bores, sediment can be carried into any of the most landward traps.
The distributions reflect considerable variability in sediment fluxes within the
two or three most landward traps. The degree of variability is much more
significant for the plunging wave case, presumably because the swash zone was
much more energetic due to the longer wave periods. Corrections are made to
trapped quantities in the swash zone to account for any anomalous erosion of the
foreshore.
152
Chapter 10
Longshore Sediment Transport Experiments
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