1. Department of Atmospheric Sciences; Geophysical Institute and College of Natural Science and Mathematics, University of Alaska Fairbanks; Fairbanks Alaska USA
2. Geophysical Institute, University of Alaska Fairbanks; Fairbanks Alaska USA
3. USDA-ARS Hydrology and Remote Sensing Laboratory; Beltsville Maryland USA
4. International Arctic Research Center; University of Alaska Fairbanks; Fairbanks Alaska USA
5. Faculty of Science; Shinshu University; Nagano Japan
6. Water Environmental Research Center; University of Alaska Fairbanks; Fairbanks Alaska USA