Climate-Driven CO2 Exchange (IMAGE) Friedrich-Schiller-Universitaet Jena Caption Climate-driven CO2 exchange: The spectral colors show the anomalies in the CO2 exchange on land during El Niño years. FLUXNET data have been upscaled by machine learning. Radiation anomalies are shown in red, temperature anomalies in green and water anomalies in blue. Credit (© Martin Jung) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.