Evaluation and inversion of a net ecosystem carbon exchange model for grasslands and croplands

Michael Herbst1, Anne Klosterhalfen2, Lutz Weihermueller3, Alexander Graf4, Marius Schmidt5, Johan Alexander Huisman1 and Harry Vereecken4, (1)Agrosphere Institute (IBG-3) Forschungszentrum Jülich, Deutschland, Germany, (2)University of Göttingen, Göttingen, Germany, (3)Forschungszentrum Jülich, IBG-3: Agrosphere, Jülich, Germany, (4)Agrosphere (IBG-3), Institute of Bio- and Geosciences, Forschungszentrum Jülich, Juelich, Germany, (5)Agrosphere Institute (IBG-3), Forschungszentrum Jülich, Jülich, Germany