Abstract:
Determination of accretion rate was conducted in Tok Bali area, where as the study area
is a lagoon that already covered with sandbank along the shorelines. The objective of this
research is to determine whether study area has undergone erosion or deposition of
sedimentation. The represent island in determining accretion rate is situated near to the
channel which is the main route for outgoing and ingoing water during tidal circulation.