Title: In Situ Autonomous optical Radiometry Measurements for Satellite Ocean Color Validation in the Western Black Sea
Authors: ZIBORDI GiuseppeMELIN FredericBERTHON Jean-FrancoisTALONE MARCO
Citation: OCEAN SCIENCE vol. 11 p. 275-286
Publisher: COPERNICUS GESELLSCHAFT MBH
Publication Year: 2015
JRC N°: JRC92373
ISSN: 1812-0784
URI: www.ocean-sci.net/11/275/2015/
http://publications.jrc.ec.europa.eu/repository/handle/JRC92373
DOI: 10.5194/os-11-275-2015
Type: Articles in periodicals and books
Abstract: The accuracy of primary satellite ocean color data products from the Moderate Resolution Imaging Spectroradiometer (MODIS-A) and the Visible/Infrared Imager/Radiometer Suite (VIIRS), is investigated in the Western Black Sea using in situ measurements from the Gloria site included in the Ocean Color component of the Aerosol Robotic Network (AERONET-OC). The analysis is also extended to an additional well-established AERONET-OC site in the northern Adriatic Sea characterized by optically complex coastal waters exhibiting similarities with those observed at the Gloria site. Results from the comparison of normalized-water leaving radiance Lwn indicate biases of a few percent between satellite derived and in situ data at the center-wavelengths relevant for the determination of chlorophyll-a concentration (443-547 nm, or equivalent). The differences are significantly more pronounced at the blue (i.e., at 412 nm) and red (i.e., 667 nm, or equivalent) center-wavelengths.
JRC Directorate:Sustainable Resources

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