1. Nicolaus Copernicus University Polar Station; Department of Hydrology and Water Management; Faculty of Earth Sciences; Nicolaus Copernicus University; Lwowska 1 Toruń 87-100 Poland
2. Department of Geomorphology and Paleogeography of the Quaternary; Faculty of Earth Sciences; Nicolaus Copernicus University; Lwowska 1 Toruń 87-100 Poland
3. Department of Hydrology and Water Management; Faculty of Earth Sciences; Nicolaus Copernicus University; Lwowska 1 Toruń 87-100 Poland