Bathymetric mapping by SPOT images to quantify sand movement in the tidal inlet of Arcachon, France

Virginie Marie Lafon; J. M. Froidefond; P. Castaing

doi:10.1117/12.298183

30 December 1997 Bathymetric mapping by SPOT images to quantify sand movement in the tidal inlet of Arcachon, France

Virginie Marie Lafon, J. M. Froidefond, P. Castaing

Proceedings Volume 3222, Earth Surface Remote Sensing; (1997) https://doi.org/10.1117/12.298183
Event: Aerospace Remote Sensing '97, 1997, London, United Kingdom

Abstract

The Arcachon tidal inlet (France) is a sandy place where tidal currents, swells and storms produce important sand movements. For example the emerged sand banks move several tens of meter a year. To study and understand these movements traditional methods are often inefficient. Remote sensing seems to be the best means to follow and quantify year after year sand movements. Two SPOT scenes have been processed to carry out bathymetric maps. From these maps we extrapolated both channels' and sand banks' movements and computed the sediment volumes between the water surface and a depth of 5 meters. Below this depth, the radiances keep a constant value whatever the depth change.

Citation Download Citation

Virginie Marie Lafon, J. M. Froidefond, and P. Castaing "Bathymetric mapping by SPOT images to quantify sand movement in the tidal inlet of Arcachon, France", Proc. SPIE 3222, Earth Surface Remote Sensing, (30 December 1997); https://doi.org/10.1117/12.298183

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