Philipp Hochreuther¹, Nathalie Reimann¹, Niklas Neckel², Jenny Turton³ and Matthias H. Braun¹, (1)University of Erlangen-Nuremberg, Erlangen, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (3)Friedrich-Alexander University, Erlangen, Erlangen-Nürnberg, Germany