1. a Department of Geography, University of Gujrat, Gujrat, Pakistan
2. b Department of Geography, University of Peshawar, Peshawar 25120, Pakistan
3. c Department of Civil Engineering, College of Ocean Sciences, Jeju National University, Jeju, South Korea
4. d Department of Geography, Government College University Lahore, Lahore, Pakistan
5. e Department of Geography and Regional Planning, G-212, University of Balochistan, Quetta 87300, Pakistan