Acknowledgements
This research is part of the COST action CA15113 SMIRES, Science and Management of Intermittent Rivers and Ephemeral Streams https://www.smires.eu/, a short term scientific mission has been funded for A. Rutkowska. A. Rutkowska was also supported by the Ministry of Science and Higher Education of the Republic of Poland (grant DS 3371). The different data providers are gratefully acknowledged. Some of the station data was retrieved from the Global Runoff Data Centre (56068 Koblenz, Germany).