Date: September 15, 2016 M. Soppa 1 & S. Losa 1 & R. Brewin 3 & A. Bricaud 3 & A. Bracher 1,4 1Alfred Wegener Institute (AWI), Helmholtz Centre for Polar and Marine Research, Bussestraße 24, D- 27570 Bremerhaven [...] Atlantic Arctic Province ANTA Antarctic Province ATBD Algorithm Theoretical Base Document AWI Alfred Wegener Institute bgc biogeochemical Chla chlorophyll ”a” concentration c-micro microphytoplankton Chla