1. Department of Earth Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
2. Centre for Earth Observation Science, Department of Environment and Geography, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
3. Departamento de Ingeniería Geomática y Hidráulica, Universidad de Guanajuato, Guanajuato, Guanajuato C. P. 36000, Mexico