Understanding environmental and physiological controls of the leaf COS:CO2 uptake relationship for better photosynthesis estimates

Wu Sun1, Linda Kooijmans2,3, Kadmiel S Maseyk4, Juho Aalto5, Kukka-Maaria Erkkilä5, Ivan Mammarella5, Mari Pihlatie5,6, Timo Vesala5, Huilin Chen2 and Ulrike Seibt1, (1)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (2)University of Groningen, Centre for Isotope Research, Groningen, Netherlands, (3)Wageningen University, Meteorology and Air Quality Group, Wageningen, Netherlands, (4)Open University, School of Environment, Earth and Ecosystem Sciences, Milton Keynes, United Kingdom, (5)University of Helsinki, Institute for Atmospheric and Earth System Research / Physics, Faculty of Science, Helsinki, Finland, (6)University of Helsinki, Department of Agricultural Sciences and Institute for Atmospheric and Earth System Research / Forest Sciences, Faculty of Agriculture and Forestry, Helsinki, Finland