1. a Environment Canada , Vancouver , British Columbia , V6C 3S5 , Canada
2. b Department of Civil and Environmental Engineering , University of Waterloo , Waterloo , Ontario , N2L 3G1 , Canada
3. c Centre for Ecology and Hydrology , Wallingford , Oxfordshire , OX10 8BB , UK
4. d INRS-ETE , Québec , QC , Canada
5. e US Geological Survey , Augusta , Maine , 04330 , USA
6. f Global Runoff Data Centre , Koblenz , Germany