A spring-summer dichotomy in temperate ecosystem productivity extremes in response to changing climate drivers

Sebastian Sippel1, Friederike Elly Luise Otto2, Anja Rammig3, Markus Reichstein1 and Miguel Mahecha4, (1)Max Planck Institute for Biogeochemistry, Jena, Germany, (2)University of Oxford, ECI/School of Geography and the Environment, Oxford, United Kingdom, (3)Potsdam Institute for Climate Impact Research, Potsdam, Germany, (4)German Centre for Integrative Biodiversity Research (iDiv), Leipzig, Germany