Multispectral Sentinel-Measurements to Determine Phytoplankton Functional Types at Best Spatial and Temporal Resolution (SynSenPFT) Motivation: Different phytoplankton groups have different roles in the biogeochemical [...] situ data of phytoplankton pigments Diagnostic Pigment Analysis10 f-PFTs Fit function applied to satellite Chla data Chla conc. of PFTs 3 Validation and intercomparison with phytoplankton size classes [...] pigments specific to phytoplankton functional types. Biogeosciences 8, 311–327. Soppa, M. A., Hirata, T., et al. 2014. Global retrieval of diatoms abundance based on phytoplankton pigments and satellite