Siva Naga Venkat Nara¹, Sekhar Muddu^1,2, Moger Hemanth³, Laurent Ruiz³ and Prosenjit Ghosh^1,4, (1)Indian Institute of Science, Interdisciplinary Centre for Water Research, Bangalore, India, (2)Indian Institute of Science, Department of Civil Engineering, Bangalore, India, (3)Indian Institute of Science, Indo-French Cell for Water Sciences, Bangalore, India, (4)Indian Institute of Science, Centre for Earth Sciences, Divecha Centre for Climate Change, Bangalore, India