Stoichiometry of Dissolved Organic Matter at the Land-Ocean Interface of the North Sea

Michael Seidel1, Wiebke Freund1, Philipp Böning1, Tina Sanders2 and Thorsten Dittmar1, (1)University of Oldenburg, Institute for Chemistry and Biology of the Marine Environment (ICBM), Oldenburg, Germany, (2)Helmholtz-Zentrum Hereon, Geesthacht, Germany