1. Centre for Water Resources Studies, Faculty of Engineering, Dalhousie University, 1360 Barrington Street, Halifax, Nova Scotia B3H 4R2, Canada
2. Department of Mathematics & Statistics, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
3. Halifax Water, 450 Cowie Hill Road, Halifax, Nova Scotia B3P 2 V3, Canada