Kolloquium am Geographischen Institut

29.01.2018 von 16:15 bis 17:45

Geographisches Institut der Christian-Albrechts-Universität zu Kiel, Ludewig-Meyn-Strasse 12, Hörsaal Geographie (R.09)

Dr. Martin Hieronymi Helmholtz-Zentrum Geesthacht

Opportunities and Challenges for Satellite Remote Sensing of Ocean Colour

About 40 years ago, the first satellite ocean colour data established that phytoplanktonic organisms can be detected in the open oceans. The first ocean colour algorithms focused on biomass estimation in terms of chlorophyll concentration for these “Case-1 waters”. Since then, with the rapid improvements in the spectral, spatial and radiometric performance of satellite sensors, many new applications have emerged, particularly in coastal and inland waters where human impacts are often most severe. These new applications require the development of data processing algorithms both for atmospheric correction and the estimation of water constituents, such as chlorophyll and suspended particulate matter concentration. In this talk, the opportunities and challenges of new satellite sensors and new algorithmic approaches will be outlined. The focus is on the European Sentinel Missions (Sentinel-2/MSI and Sentinel-3/OLCI) and the German EnMAP Hyperspectral Imager.

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