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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.
In: ESA Special Publications. ESA Publications Office. ISSN 0379-6566; e-ISSN 1609-0438

Available in  Authors 
Document type: Conference paper

Keywords
    Aquatic communities > Plankton > Phytoplankton
    Organic compounds > Carbohydrates > Glycosides > Pigments > Photosynthetic pigments > Chlorophylls
    Remote sensing
    Spectra > Absorption spectra
    ANE, Belgium, Belgian Coast [Marine Regions]; ANE, Belgium, Belgian Continental Shelf (BCS) [Marine Regions]
    Marine/Coastal

Project Top | Authors 
  • BELCOLOUR - Optical remote sensing of coastal waters

Authors  Top 
  • Astoreca, R.
  • Rousseau, V., more
  • Lancelot, C., more

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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