Introduction KIAOS – the Karlsruhe Integrated Atmospheric Observation System – is KIT’s modular, integrated research infrastructure for the observation of defined atmospheric processes and changes. Through the systematic merging and further development of KIT’s leading infrastructures -AIDA, CARIBIC, KITcube, and TERENO https://www.ce-atmochange.kit.edu combined with innovative research data management, a flexibly ex…