Sudershan Gangrade

Bredesen Center Fellow

Sudershan Gangrade is a fellow at The Bredesen Center, University of Tennessee, Knoxville and a researcher in the Environmental Sciences Division, Oak Ridge National Laboratory. He has a multidisciplinary background spanning the fields of environmental engineering, hydrology, geology and geophysics. His research focuses on  assessing hydrologic vulnerability and resilience of critical energy-water infrastructures, especially major hydropower reservoirs, in a changing environment using high-resolution process-based hydrologic, hydraulic, and water management modeling frameworks.

As a research associate at ORNL, he has conducted high resolution distributed hydrological modeling to enable the development of an integrated modeling framework to generate estimates for probable maximum precipitation and flood. His research interests include hydrological modeling, impacts of climate change on hydrology, flood modeling and hydrologic extreme events. He is also a member of the ASCE Environmental and Water Resources Institute’s Hydroclimate Technical Committee which fosters solutions to engineering problems created by hydroclimate phenomenon such as climate change. Sudershan holds a M.S in Environmental Engineering and Sciences (2012) from Clemson University, SC, USA and a BS (B.Tech.) in Environmental Engineering (2010) from Indian School of Mines, Dhanbad, India.

Prior to joining ORNL, he worked as an Environmental Engineer/Geophysicist at an Environmental Consulting firm in Indianapolis, Indiana where he was involved in a wide variety of projects including environmental assessments and remediation, environmental management and litigation support, water resource exploration, karst mapping and preferential flow pathway detection through geophysical imaging.



  1. Gangrade, S., Kao, S. C., Dullo, T. T., Kalyanapu, A. J., & Preston, B. L. (2019). Ensemble-based Flood Vulnerability Assessment for Probable Maximum Flood in a Changing Environment. Journal of Hydrology, 576, 342-355, doi: 10.1016/j.jhydrol.2019.06.027.
  2. Gangrade, S., S.-C. Kao, B.S. Naz., D. Rastogi, M. Ashfaq, N. Singh, and B.L. Preston (2018), Sensitivity of probable maximum flood in a changing environment, Water Resources Research, 54(6), 3913-3936, doi:10.1029/2017WR021987.
  3. Jager, H. I., A.W. King, S. Gangrade, A. Haines, C. DeRolph, B.S. Naz, and M. Ashfaq (2018), Will future climate change increase the risk of violating minimum flow and maximum temperature thresholds below dams in the Pacific Northwest?, Climate Risk Management, 21, 69-84, doi:10.1016/j.crm.2018.07.001.
  4. Naz, B. S., S.-C. Kao, M. Ashfaq., H. Gao, D. Rastogi, and S. Gangrade (2018), Effects of climate change on streamflow extremes and implications for reservoir inflow in the United States, Journal of Hydrology, 556, 359-370, doi: 10.1016/j.jhydrol.2017.11.027.
  5. Rastogi, D., S.-C. Kao, M. Ashfaq, R. Mei, E.D. Kabela, S. Gangrade, ... and V.G. Anantharaj, (2017), Effects of climate change on probable maximum precipitation: A sensitivity study over the AlabamaCoosaTallapoosa River Basin, Journal of Geophysical Research: Atmospheres, 122(9), 4808-4828, doi: 10.1002/2016JD026001.
  6. Ashfaq, M., D. Rastogi, R. Mei, S.-C. Kao, S. Gangrade, B.S. Naz, and D. Touma (2016), Highresolution ensemble projections of nearterm regional climate over the continental United States, Journal of Geophysical Research: Atmospheres, 121(17), 9943-9963, doi:10.1002/2016JD025285.