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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 [109023]

Specific phytoplankton absorption variability and implication for chlorophyll a retrieval in Belgian waters (Southern North Sea) Astoreca, R.; Rousseau, V.; Lancelot, C. (2006). Specific phytoplankton absorption variability and implication for chlorophyll a retrieval in Belgian waters (Southern North Sea), in: Danesy, D. (Ed.) Proceedings of the Second Working Meeting on MERIS and AATSR Calibration and Geophysical Validation (MAVT-2006). 20-24 March 2006, ESRIN, Frascati (Italy). ESA Special Publications, 615: pp. 1-5 In: Danesy, D. (Ed.) (2006). Proceedings of the Second Working Meeting on MERIS and AATSR Calibration and Geophysical Validation (MAVT-2006). 20-24 March 2006, ESRIN, Frascati (Italy). ESA Special Publications, 615. ESA Publications Office: [s.l.]. ISBN 92-9092-926-X. , meer In: ESA Special Publications. ESA Publications Office. ISSN 0379-6566; e-ISSN 1609-0438, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 119269 [ download pdf ]
Documenttype: Congresbijdrage

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Trefwoorden

Aquatic communities > Plankton > Phytoplankton Organic compounds > Carbohydrates > Glycosides > Pigments > Photosynthetic pigments > Chlorophylls Remote sensing Spectra > Absorption spectra ANE, België, Belgisch Continentaal Plat (BCP) [Marine Regions]; ANE, België, Belgische kust [Marine Regions] Marien/Kust

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Project	Top | Auteurs
BELCOLOUR - Optical remote sensing of coastal waters, meer

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Auteurs		Top
Astoreca, R., meer Rousseau, V., meer Lancelot, C., meer

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Abstract

Chlorophyll a retrieval from satellite is based on algorithms that convert the phytoplankton absorption into chlorophyll a by means of the specific- phytoplankton absorption. This factor has been found to be highly variable, spatially and seasonally. The variability of the chlorophyll a-specific phytoplankton absorption in Belgian waters (Southern North Sea) was investigated to determine how it is affecting the chlorophyll a retrieval from satellite information. The Southern Bight of the North Sea is a very dynamic area influenced by river discharges and characterised by highly variable chlorophyll, suspended matter and coloured dissolved organic matter absorption. The impact of using a mean value of specific-phytoplankton absorption as usually done instead of the real one in chlorophyll a retrieval was estimated and found to be significant (underestimation up to 70% at 665 nm).

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