Topo-hydrographic survey
Full surface coverage of dunes, subaerial beaches and nearshore/shoreface.
Objective
Assessment of dune and beach sediment balance / budget, on severe erosion shore sections, artificially nourished areas and tidal bar deltas.
Methodology
Combination of the topographic survey of the subaerial beach, adjacent dunes, and coastal structures—acquired through airborne LiDAR and photographic sensors—with the bathymetric survey performed using single-beam and multibeam echo sounders, extending seaward to the -10 m isobath (Hydrographic Zero).
Frequency
Annual
Activity
Currently there are 117 avaiable products under this type of survey. The first survey was aquired on 31/08/2018, and the most recent was on 11/07/2025.
