Morphological Trends of the Belgian Coast Shown by 10 Years of Remote-Sensing Based Surveying

by P. De Wolf, Service of Coastal Harbours, Oostende, Belgium,
D. Fransaer, Service of Coastal Harbours, Oostende, Belgium,
J. van Sieleghem, Service of Coastal Harbours, Oostende, Belgium,
R. Houthuys, Service of Coastal Harbours, Oostende, Belgium,



Document Type: Proceeding Paper

Part of: Coastlines of the Southern North Sea

Abstract: The morphological evolution of foreshore, backshore, and adjoining dunes of the entire Belgian coast is surveyed by means of aerial remote sensing on a yearly basis since 1983. The evolution over this 10-year period is comprehensively illustrated by the land-and seaward shifts of the low-water line, high-water line and dune foot. It appears that nearly all major displacements are linked to human interactions, such as beach nourishments, groyne construction, etc. If these are left out of consideration, the main trend of the coastline evolution would be a landward retreat. Since 1986, the results of the bathymetric BEASAC measurements of the nearshore area linked to the aerial remote sensing surveys.

Subject Headings: Remote sensing | Dunes | Aerial surveys | Beach nourishment | Groins (structure) | Bathymetry

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