3.1 Beach and Shoreface Sediments
a STORM-INDUCED
CURRENTS
GEOSTROPHIC BOTTOM
CURAENT (DEFLECTED)
-
-
-r<" ___
I
-
I
b COMBINED FLOW
BAROMETRIC EFFECT
SUSPENSION
CURRENT
DISTAL
TEMPESTITES e
(S) AND MUD (M)
M
UTTlE OR
NO EROSION
PRE·EXISTING
MUD LAYER
-
-
101
SURFACE CURRENT
(DEFLECTED BY CORIOLl'S FORCES)
SURF ZONE
(± SAND BARS)
d
BOTTOM RETURN
FLOW (± SURGE
SHOREFACE
CHANNEL)
SETUP OF WATER
C
HUMMOCKY AND SWALEY
CROSS-STRATIFICATION
TO.2 1 m f
EROSION AL
BOUNDAAIES