Wilfried Rickels¹, Lotta Siebert¹, Wolfgang Koeve², Patricia Grasse³, Jörg Schwinger⁴ and Martin Quaas⁵, (1)Institute for the World Economy, Kiel, Germany, (2)GEOMAR, Kiel, Germany, (3)German Centre for Integrative Biodiversity Research (iDiv), Leipzig, Germany, (4)NORCE Climate and Bjerknes Centre for Climate Research, Bergen, Norway, (5)University of Leipzig, Leipzig, Germany