1. College of Water Science Beijing Normal University Beijing China
2. School of Geographic and Environmental Sciences Tianjin Normal University Tianjin China
3. China Meteorological Administration Beijing China
4. School of Geographical Sciences University of Bristol Bristol UK
5. University of Saskatchewan Coldwater Lab Canmore Alberta Canada
6. Centre for Hydrology University of Saskatchewan Saskatoon Saskatchewan Canada
7. School of Civil Engineering and Environmental Sciences University of Oklahoma Norman Oklahoma USA