Regional to global assessments of phytoplankton dynamics from the SeaWiFS mission

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Author(s) Siegel, D.A., Behrenfeld, M.J., Maritorena, S., McClain, C.R., Antoine, D., Bailey, S.W., Bontempi, P.S., Boss, E.S., Dierssen, H.M., Doney, S.C., Eplee Jr., R.E., Evans, R.H., Feldman, G.C., Fields, E., Franz, B.A., Kuring, N.A., Mengelt, C., Nelson, N.B., Patt, F.S., Robinson, W.S., Sarmiento, J.S., Swan, Chantal M., Werdell, P.J., Westberry, T.K., Wilding, J.G., Yoder, J.A.
Publication Type Journal Items, Publication Status: Published
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Title Regional to global assessments of phytoplankton dynamics from the SeaWiFS mission
Author(s) Siegel, D.A.
Behrenfeld, M.J.
Maritorena, S.
McClain, C.R.
Antoine, D.
Bailey, S.W.
Bontempi, P.S.
Boss, E.S.
Dierssen, H.M.
Doney, S.C.
Eplee Jr., R.E.
Evans, R.H.
Feldman, G.C.
Fields, E.
Franz, B.A.
Kuring, N.A.
Mengelt, C.
Nelson, N.B.
Patt, F.S.
Robinson, W.S.
Sarmiento, J.S.
Swan, Chantal M.
Werdell, P.J.
Westberry, T.K.
Wilding, J.G.
Yoder, J.A.
Journal or Series Title Remote sensing of environment
Volume Number 135
Start Page 77
End Page 91
ISSN 0034-4257
Publisher Elsevier
Publication Place New York
Publication Date 2013-08
Keyword(s) Ocean color
SeaWiFS
Phytoplankton
Colored dissolved organic matter
Decadal trends
Abstract Photosynthetic production of organic matter by microscopic oceanic phytoplankton fuels ocean ecosystems and contributes roughly half of the Earth's net primary production. For 13 years, the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) mission provided the first consistent, synoptic observations of global ocean ecosystems. Changes in the surface chlorophyll concentration, the primary biological property retrieved from SeaWiFS, have traditionally been used as a metric for phytoplankton abundance and its distribution largely reflects patterns in vertical nutrient transport. On regional to global scales, chlorophyll concentrations co- vary with sea surface temperature (SST) because SST changes reflect light and nutrient conditions. However, the ocean may be too complex to be well characterized using a single index such as the chlorophyll concentration. A semi-analytical bio-optical algorithm is used to help interpret regional to global SeaWiFS chlorophyll observa- tions from using three independent, well-validated ocean color data products; the chlorophyll a concentration, absorption by CDM and particulate backscattering. First, we show that observed long-term, global-scale trends in standard chlorophyll retrievals are likely compromised by coincident changes in CDM. Second, we partition the chlorophyll signal into a component due to phytoplankton biomass changes and a component caused by physiological adjustments in intracellular chlorophyll concentrations to changes in mixed layer light levels. We show that biomass changes dominate chlorophyll signals for the high latitude seas and where persistent vertical upwelling is known to occur, while physiological processes dominate chlorophyll variability over much of the tropical and subtropical oceans. The SeaWiFS data set demonstrates complexity in the interpretation of changes in regional to global phytoplankton distributions and illustrates limitations for the assessment of phytoplankton dynamics using chlorophyll retrievals alone.
DOI 10.1016/j.rse.2013.03.025
Additional Notes Received 18 January 2012, Received in revised form 13 March 2013, Accepted 25 March 2013, Available online 20 April 2013
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03731
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NEBIS System Number 000053663
Source Database ID FORM-1383660903
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@article{Sgl2013,
  author = "Siegel, D.A. and Behrenfeld, M.J. and Maritorena, S. and McClain, C.R. and Antoine, D. and Bailey, S.W. and Bontempi, P.S. and Boss, E.S. and Dierssen, H.M. and Doney, S.C. and Eplee Jr., R.E. and Evans, R.H. and Feldman, G.C. and Fields, E. and Franz, B.A. and Kuring, N.A. and Mengelt, C. and Nelson, N.B. and Patt, F.S. and Robinson, W.S. and Sarmiento, J.S. and Swan, Chantal M. and Werdell, P.J. and Westberry, T.K. and Wilding, J.G. and Yoder, J.A.",
  title = "{R}egional to global assessments of phytoplankton dynamics from the {S}ea{W}i{F}{S} mission",
  journal = "Remote sensing of environment",
  year = 2013,
  volume = "135",
  pages = "77--91",
  month = aug,
}


E-Citations record created: Tue, 05 Nov 2013, 14:15:09 CET