P. Wang et al. / Coastal Engineering 46 (2002) 175211
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Fig. 10. Time-series sediment concentration at four levels from the bed sampled at 16 Hz for spilling case (upper panel) and plunging case
(lower panel). Numbers of centimeters referred to the sensor elevations above bed.
various factors including individual wave height and
used in the spectral analysis of wave and current data
were applied. The purpose was to examine the fre-
length, characteristics of wave groupiness, and water
depth. Sediment suspension events at a particular
quency characteristics of the sediment suspension in
comparison with the wave and current patterns. Fig.
location did not necessarily correspond to groups of
high waves unless the high waves resulted in wave
11 shows examples of the dimensionless power den-
sity of sediment-concentration variations at the spill-
breaking at that particular location.
ing (upper panel) and plunging (lower panel) breaker
Despite the intermittent suspension events in the
sediment-concentration record, the same procedures
lines (data from same record shown in Fig. 10).