KLIWAS Seite 34 KLIWAS Climatology of North Sea Fronts 10° E AATSR SST frontzone vector magnitude MEAN 2002 - 2011 frontzone vector magnitude [K/kml O O OO O O OO M CJ1<7> © Brockmann Consult GmbH 2013 K Fig. 24: Magnitude of mean gradient vector for frontal zone based on the data of the AATSR sensor on ENVISAT 2002 - 2011 N .OCoZS N cSS N .0E.SS