1. Institute for Energy, Environment and Sustainable Communities, University of Regina, Regina, Saskatchewan, Canada
2. Institute for Energy, Environment and Sustainability Research, UR–NCEPU, University of Regina, Regina, Saskatchewan, Canada, and Institute for Energy, Environment and Sustainability Research, UR–NCEPU, North China Electric Power University, Beijing, China
3. Department of Earth and Space Science and Engineering, York University, Toronto, Ontario, Canada