KLIWAS Seite 36 KLIWAS Climatology of North Sea Fronts 2.4 Inter-comparison offronts derived from the SSTdata of the AATSR sensor on ENVISATJ of the AVHRR sensor on NOAA and MEIDP as well as of the MODE sensor on AQUA, 2003 - 2010 Fig. 26: Mean SST fields based on the data of the AATSR sensor on ENVISAT, MODIS sensor on AQUA, of the AVHRR sensor on NOAA and METOP 2003 - 2010 sst_mean [K]