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|Title:||In Situ Autonomous optical Radiometry Measurements for Satellite Ocean Color Validation in the Western Black Sea|
|Authors:||ZIBORDI Giuseppe; MELIN Frederic; BERTHON Jean-Francois; TALONE MARCO|
|Citation:||OCEAN SCIENCE vol. 11 p. 275-286|
|Publisher:||COPERNICUS GESELLSCHAFT MBH|
|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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