1. Central Department of Environmental Science, Tribhuvan University, Kirtipur, Kathmandu, Nepal
2. Nepal Academy of Science and Technology, Lalitpur, Nepal
3. Birbal Sahni Institute of Palaeo Sciences, 53-University Road, Lucknow, India
4. Department of Earth and Environmental Systems, Indiana State University, Terre Haute, IN, USA
5. Department of Geography, Environment and Society, University of Minnesota, Minneapolis, MN, USA