Intercomparison of methods to estimate GPP based on CO2 and COS flux measurements. - Kohonen, Kukka-Maaria; Dewar, Roderick; Tramontana, Gianluca; Mauranen, Aleksanteri; Kolari, Pasi; Kooijmans, Linda M.J.; Papale, Dario; Vesala, Timo; Mammarella, Ivan (Biogeosciences Discussions, 2022)