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|Retrieval of suspended sediment from advanced hyperspectral sensor data in the Scheldt estuary at different stages in the tidal cycle|Sterckx, S.; Knaeps, E.; Bollen, M.; Trouw, K.; Houthuys, R. (2007). Retrieval of suspended sediment from advanced hyperspectral sensor data in the Scheldt estuary at different stages in the tidal cycle. Mar. Geod. 30(1-2): 97-108. dx.doi.org/10.1080/01490410701296341
In: Marine Geodesy. Taylor & Francis: New York. ISSN 0149-0419, more
Remote sensing; Resuspended sediments; Tidal cycles; Belgium, Zeeschelde, Antwerp Harbour [gazetteer]; Marine
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- REmote sensing for Seasonal and Overseas Retrieval of Total suspended Matter, more
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Hyperspectral airborne remote sensing images and in-situ data are combined to assess the spatial and temporal sediment dynamics in the tidal Scheldt river. A log-linear empirical relationship has been developed between a near-infrared reflectance difference and total suspended matter. The relationship was shown to be relatively insensitive to the varying cirrus cloud cover occurring during data acquisition. The produced sediment maps show good agreement with known variations of turbidity over the tidal cycle: maximum turbidity around high water, gradual settling of the sediment in the succeeding slack water and resuspension at the onset of the ebb flow stage.