Pigments and species composition of natural phytoplankton populations: effect on the absorption spectra |
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| Authors: | Stuart, Venetia Sathyendranath, Shubha Platt, Trevor Maass, Heidi Irwin, Brian D |
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| Affiliation: | 1Department of Oceanography, Dalhousie University Halifax, Nova Scotia B3H 4J1 2Ocean Sciences Division, Bedford Institute of Oceanography Box 1006, Dartmouth, Nova Scotia B2Y4A2, Canada |
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| Abstract: | Data from three cruises (Arabesque 1 and 2 cruises in the ArabianSea and the Vancouver Island cruise) were examined to assessthe importance of species composition and accessory pigmentsin modifying specific absorption coefficients. The three cruisesdiffered widely in their phytoplankton assemblages with smallcells dominating the Arabesque 2 cruise and large diatoms theVancouver Island cruise. Absorption spectra from each cruisewere decomposed into 13 Gaussian bands representing absorptionby the major chlorophylls and accessory pigments. The maximumspecific peak height |
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