Polar Research Center, Department of Hydrology and Water Management, Faculty of Earth Sciences, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland
Dr. Ireneusz Sobota
Polar Research Center, Department of Hydrology and Water Management, Faculty of Earth Sciences, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland