1. Geoinformation Tech. Center of Excellence, Faculty of Geodesy & Geomatics Engineering, K.N. Toosi University of Technology, Tehran, Iran
2. Department of Watershed Management Engineering, Sari Agricultural Science and Natural resources University, Sari, Iran
3. Department of Computer Science and Engineering, Sejong University, Seoul, Republic of Korea
4. Department of Biological and Agricultural Engineering and Zachry Department of Civil & Environmental Engineering, Texas A & M University, Texas, Texas, USA