Data policy for data sets from various sources: recent developments in the Integrated Carbon Observation System (ICOS)

Werner Leo Kutsch, ICOS Headoffice, Helsinki, Finland, Alexander T Vermeulen, Lund University, Physical geography and ecosystem science, Lund, Sweden, Jost Valentin Lavric, Max Planck Institute for Biogeochemistry, Jena, Germany and Eija Juurola, ICOS ERIC, Head Office, Helsinki, Finland