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Journal Article

Obtaining Phytoplankton Diversity from Ocean Color: A Scientific Roadmap for Future Development

Authors

Bracher,  Astrid
External Organizations;

Bouman,  Heather A.
External Organizations;

Brewin,  Robert J. W.
External Organizations;

Bricaud,  Annick
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Brotas,  Vanda
External Organizations;

Ciotti,  Aurea M.
External Organizations;

Clementson,  Lesley
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Devred,  Emmanuel
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Di Cicco,  Annalisa
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Dutkiewicz,  Stephanie
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Hardman-Mountford,  Nick J.
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Hickman,  Anna E.
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Hieronymi,  Martin
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Hirata,  Takafumi
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Losa,  Svetlana N.
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Mouw,  Colleen B.
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Organelli,  Emanuele
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Raitsos,  Dionysios E.
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Uitz,  Julia
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Vogt,  Meike
External Organizations;

/persons/resource/ola

Wolanin,  Aleksandra
1.4 Remote Sensing, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Fulltext (public)

4696897.pdf
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Supplementary Material (public)
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Citation

Bracher, A., Bouman, H. A., Brewin, R. J. W., Bricaud, A., Brotas, V., Ciotti, A. M., Clementson, L., Devred, E., Di Cicco, A., Dutkiewicz, S., Hardman-Mountford, N. J., Hickman, A. E., Hieronymi, M., Hirata, T., Losa, S. N., Mouw, C. B., Organelli, E., Raitsos, D. E., Uitz, J., Vogt, M., Wolanin, A. (2017): Obtaining Phytoplankton Diversity from Ocean Color: A Scientific Roadmap for Future Development. - Frontiers in Marine Science, 4, 55.
https://doi.org/10.3389/fmars.2017.00055


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_4696897
Abstract
To improve our understanding of the role of phytoplankton for marine ecosystems and global biogeochemical cycles, information on the global distribution of major phytoplankton groups is essential. Although algorithms have been developed to assess phytoplankton diversity from space for over two decades, so far the application of these data sets has been limited. This scientific roadmap identifies user needs, summarizes the current state of the art, and pinpoints major gaps in long-term objectives to deliver space-derived phytoplankton diversity data that meets the user requirements. These major gaps in using ocean color to estimate phytoplankton community structure were identified as: (a) the mismatch between satellite, in situ and model data on phytoplankton composition, (b) the lack of quantitative uncertainty estimates provided with satellite data, (c) the spectral limitation of current sensors to enable the full exploitation of backscattered sunlight, and (d) the very limited applicability of satellite algorithms determining phytoplankton composition for regional, especially coastal or inland, waters. Recommendation for actions include but are not limited to: (i) an increased communication and round-robin exercises among and within the related expert groups, (ii) the launching of higher spectrally and spatially resolved sensors, (iii) the development of algorithms that exploit hyperspectral information, and of (iv) techniques to merge and synergistically use the various streams of continuous information on phytoplankton diversity from various satellite sensors' and in situ data to ensure long-term monitoring of phytoplankton composition.