Vol. 7, No. 1, 75-80, 2008
Coastal water monitoring and remote sensing products validation using ferrybox and above-water radiometric measurements|
Seppo Kaitala, Giuseppe Zibordi, Frédéric Mélin, Jukka Seppälä and Pasi Ylöstalo
A SeaWiFS Photometer Revision for Incident Surface Measurements has been installed
on the Helsinki Light House Tower (HLT) in the Gulf of Finland, Baltic Sea, to determine
normalised water leaving radiances at centre-wavelengths of interest for ocean
colour applications. Additional in situ data are produced twice a week at a distance
of 0.5-1 km from the HLT with a ferrybox monitoring system operated on board the MS
FINNPARTNER within the framework of the Alg@line project. Ferrybox includes a flow-through system for
measuring chlorophyll-a and also for collecting water samples for subsequent
laboratory analyses to determine the absorption properties of coloured
dissolved organic matter (CDOM), phytoplankton and non-algal particulate
matter. The combined use of SeaPRISM and ferrybox measurements is introduced and briefly discussed
aiming to show their relevance in assessing remote sensing products of the optically complex coastal waters in
the Baltic Sea.
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Submitted: 10 Aug 2007
Revised: 5 March 2008
Accepted: 21 May 2008
Published: 5 June 2008
Responsible editor: Rainer Reuter
Kaitala S, G Zibordi, F Mélin, J Seppälä & P Ylöstalo, 2008.
Coastal water monitoring and remote sensing products validation using ferrybox and above-water radiometric measurements.
EARSeL eProceedings, 7(1): 75-80