The influence of vapor pressure deficit (VPD) on the use of carbonyl sulfide (COS) as a photosynthetic tracer

Wu Sun, University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, Kadmiel S Maseyk, Department of Environment, Earth and Ecosystems, The Open University, Milton Keynes, United Kingdom, Céline Lett, Luxembourg Institute of Science and Technology, Department of Environmental Research and Innovation, Belvaux, Luxembourg and Ulrike Seibt, Colorado State University, Cooperative Institute for Research in the Atmosphere, Los Angeles, United States