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Water depth inversion from satellite dataset

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Résumé

Within an effort to estimate near-shore bathymetry from satellite scenes, a method based on wave celerity and wavelength estimation is developed. These wave characteristics are extracted from SPOT-5 panchromatic and multispectral scenes. The method allows us to associate the wavelength and the celerity of the same detected wave and to estimate the water depth from the dispersion relation. This technique is tested on Saint Pierre area (La Reunion Island). Results are compared to in-situ measurements and show a reasonable agreement in terms of morphology and a mean absolute bathymetric error inferior to 30 % in intermediate depths (5-30 m range).
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Dates et versions

hal-03663903 , version 1 (10-05-2022)

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Adrien Poupardin, Marcello de Michele, Daniel Raucoules, Déborah Idier. Water depth inversion from satellite dataset. IGARSS 2014 - 2014 IEEE International Geoscience and Remote Sensing Symposium, Jul 2014, Quebec City, France. pp.2277-2280, ⟨10.1109/IGARSS.2014.6946924⟩. ⟨hal-03663903⟩

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