P. Wang et al. / Coastal Engineering 46 (2002) 175211
195
Fig. 15. Profiles of time-averaged cross-shore current at various locations across the surf zone, spilling case. Solid horizontal line indicates still-
water level.
for the plunging case was 0.75, with a standard
the incident-wave mass flux and the depth-depend-
deviation of 0.2, or 27% of the mean. The shape
ent radiation stress; the profile shape is influenced
and magnitude of the profiles, as indicated by the
by the bottom stress and vertical mixing. Various
best-fit parabola, varied considerably at different
models have been developed to predict undertow
cross-shore locations. The undertow is driven by
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