Evaluating two soil carbon models within the global land surface model JSBACH using surface and spaceborne observations of atmospheric CO2. - Thum, Tea; Nabel, Julia E. M. S.; Tsuruta, Aki; Aalto, Tuula; Dlugokencky, Edward J.; Liski, Jari; Luijkx, Ingrid T.; Markkanen, Tiina; Pongratz, Julia; Yoshida, Yukio; Zaehle, Sönke (Biogeosciences, 2020)