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Aerosol retrieval from MERIS and ground-based radiometers in German Bight - turbid coastal water

Aerosol retrieval from MERIS and ground-based radiometers in German Bight - turbid coastal water. Irina Behnert, Roland Doerffer, Institute for Coastal research GKSS, German y Guislain Becu, Pierre-Yves Deschamps, Laboratoire d’Optique Atmospherique, France. Problems in Aerosol retrieval.

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Aerosol retrieval from MERIS and ground-based radiometers in German Bight - turbid coastal water

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  1. Aerosol retrieval from MERIS and ground-based radiometers in German Bight - turbid coastal water Irina Behnert, Roland Doerffer, Institute for Coastal research GKSS, Germany Guislain Becu, Pierre-Yves Deschamps, Laboratoire d’Optique Atmospherique, France

  2. Problems in Aerosol retrieval • AERONET network of sun-photometers in coastal regions  high temporal frequency (15 min), no spatial information • Cruises using handheld radiometer Simbada  transects information, just few cruises • MERIS ocean colour sensor  spatial information, one sequence per day Helgoland Cuxhaven MER_RR2PNACR20030423_100626_00000090X_00423_05988_0000.N1

  3. First results • 15th July, Atlantic air mass with low AOD870, good correlation • 5th Aug cirrus and glint, problems • 6th Aug, 0-20 km offshore high suspended sediment effects, 20-55km OK

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