Research Papers

Improved monitoring of phytoplankton bloom dynamics in a Norwegian fjord by integrating satellite data, pigment analysis, and Ferrybox data with a coastal observation network

[+] Author Affiliations
Zsolt Volent

SINTEF Fisheries and Aquaculture, N-7465 Trondheim, Norway

Geir Johnsen

Norwegian University of Science and Technology, Department of Biology, Trondhjem Biological Station, N-7491 Trondheim, Norway

Erlend K. Hovland

Norwegian University of Science and Technology, Department of Biology, Trondhjem Biological Station, N-7491 Trondheim, Norway

Are Folkestad

Norwegian Institute for Water Research, N-0349 Oslo, Norway

Lasse M. Olsen

Norwegian University of Science and Technology, Department of Biology, Trondhjem Biological Station, N-7491 Trondheim, Norway

Karl Tangen

SINTEF Fisheries and Aquaculture, N-7465 Trondheim, Norway

Kai Sørensen

Norwegian Institute for Water Research, N-0349 Oslo, Norway

J. Appl. Remote Sens. 5(1), 053561 (November 04, 2011). doi:10.1117/1.3658032
History: Received December 06, 2010; Revised October 04, 2011; Accepted October 13, 2011; Published November 04, 2011; Online November 04, 2011
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Monitoring of the coastal environment is vitally important as these areas are of economic value and at the same time highly exposed to anthropogenic influence, in addition to variation of environmental variables. In this paper we show how the combination of bio-optical data from satellites, analysis of water samples, and a ship-mounted automatic flow-through sensor system (Ferrybox) can be used to detect and monitor phytoplankton blooms both spatially and temporally. Chlorophyll a (Chl a) data and turbidity from Ferrybox are combined with remotely sensed Chl a and total suspended matter from the MERIS instrument aboard the satellite ENVISAT (ENVIronmental SATellite) European Space Agency. Data from phytoplankton speciation and enumeration obtained by a national coastal observation network consisting of fish farms and the Norwegian Food Safety Authority are supplemented with data on phytoplankton pigments. All the data sets are then integrated in order to describe phytoplankton bloom dynamics in a Norwegian fjord over a growth season, with particular focus on Emiliania huxleyi. The approach represents a case example of how coastal environmental monitoring can be improved with existing instrument platforms. The objectives of the paper is to present the operative phytoplankton monitoring scheme in Norway, and to present an improved model of how such a scheme can be designed for a large part of the world's coastal areas.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Zsolt Volent ; Geir Johnsen ; Erlend K. Hovland ; Are Folkestad ; Lasse M. Olsen, et al.
"Improved monitoring of phytoplankton bloom dynamics in a Norwegian fjord by integrating satellite data, pigment analysis, and Ferrybox data with a coastal observation network", J. Appl. Remote Sens. 5(1), 053561 (November 04, 2011). ; http://dx.doi.org/10.1117/1.3658032


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