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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 31 — Nov. 1, 2004
  • pp: 5886–5892

Chlorophyll biomass in the global oceans: satellite retrieval using inherent optical properties

Paul E. Lyon, Frank E. Hoge, C. Wayne Wright, Robert N. Swift, and James K. Yungel  »View Author Affiliations


Applied Optics, Vol. 43, Issue 31, pp. 5886-5892 (2004)
http://dx.doi.org/10.1364/AO.43.005886


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Abstract

In the upper layer of the global ocean, 2082 in situ chlorophyll biomass values 〈Chl〉 are retrieved by concurrent satellite-derived inherent optical properties (IOP). It is found that (1) the phytoplankton absorption coefficient IOP alone does not provide satisfactory 〈Chl〉 retrieval; (2) the chromophoric dissolved organic matter (CDOM) absorption coefficient IOP must also be used to obtain satisfactory retrieval through 〈Chl〉 ∝ aph + paCDOM where p is a constant and aph and aCDOM are, respectively, the phytoplankton and CDOM absorption coefficients; (3) the IOP-based 〈Chl〉 retrieval performance is comparable to standard satellite reflectance ratio retrievals (that have CDOM absorption intrinsically embedded within them); (4) inclusion of the total backscattering coefficient IOP does not contribute significantly to 〈Chl〉 retrieval; and (5) the new IOP-based algorithm may provide the possibility for future research to establish the actual role of extracellular CDOM from all sources in the intracellular production of chlorophyll biomass.

© 2004 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(300.6550) Spectroscopy : Spectroscopy, visible

History
Original Manuscript: December 19, 2003
Revised Manuscript: June 15, 2004
Manuscript Accepted: August 19, 2004
Published: November 1, 2004

Citation
Paul E. Lyon, Frank E. Hoge, C. Wayne Wright, Robert N. Swift, and James K. Yungel, "Chlorophyll biomass in the global oceans: satellite retrieval using inherent optical properties," Appl. Opt. 43, 5886-5892 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-31-5886

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