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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [209680]

Seasonal variability of suspended particulate matter observed from SeaWiFS images near the Belgian coast Van den Eynde, D.; Nechad, B.; Fettweis, M.; Francken, F. (2007). Seasonal variability of suspended particulate matter observed from SeaWiFS images near the Belgian coast, in: Maa, J.P.-Y. et al. (Ed.) Estuarine and coastal fine sediments dynamics: INTERCOH 2003. Proceedings in Marine Science, 8: pp. 291-311. dx.doi.org/10.1016/S1568-2692(07)80019-2 In: Maa, J.P.-Y.; Sanford, L.P.; Schoellhamer, D.H. (Ed.) (2007). Estuarine and coastal fine sediments dynamics: INTERCOH 2003. Proceedings in Marine Science, 8. Elsevier: Amsterdam. ISBN 0-444-52163-1. IX, 525 + cd-rom (data) pp., meer In: Proceedings in Marine Science. Elsevier: New York. ISSN 1568-2692; e-ISSN 2352-2860, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 228330 [ download pdf ]

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Trefwoorden

In situ measurements Particulates > Suspended particulate matter Satellite imagery Temporal variations > Periodic variations > Seasonal variations ANE, België, Belgische kust [Marine Regions] Marien/Kust

Author keywords

Suspended particulate matter; SeaWiFS satellite images; in situ measurements; Belgian coastal waters

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Auteurs		Top
Van den Eynde, D., meer Nechad, B., meer Fettweis, M., meer Francken, F., meer

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Abstract

Suspended Particulate Matter (SPM) surface concentration maps in the Belgian/Dutch coastal zone are retrieved from SeaWiFS images and are corrected using in situ measurements to obtain depth-averaged SPM concentration maps. A spatial correlation analysis of the derived maps shows that the area could be divided into three subregions where the correlations between the SPM concentrations are higher than 70%. Examination of in situ SPM concentration measurements reveals that during about 1/3 of the tidal cycle the SPM concentration is significantly higher than during the rest of the cycle. Strong vertical gradients are sometimes observed during periods with increased SPM concentration. A satellite image taken during such a period would underestimate the depth-averaged SPM concentration. Images taken during other periods better represents (except for some small corrections) the averaged SPM concentration. The methodology for obtaining the depth-averaged SPM concentration maps from surface SPM distributions derived from SeaWiFS images is positive but can be further improved.

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