Mehta Family School of Sustainability

Biosketch

Dr. Pankaj Dey is an Assistant Professor (Grade I) at the Mehta Family School of Sustainability, IIT Indore. His expertise lies in Stochastic Hydrology, Catchment and Large Sample Hydrology, and applying principles of complex systems to hydrologic inference. Prior to joining IIT Indore, he served as a DST INSPIRE Faculty Fellow at IIT Roorkee and held postdoctoral positions at the Indian Institute of Science (IISc), Bangalore. He completed his Ph.D. in Water Resources and Environmental Engineering from IISc Bangalore.

Research Interests

• Stochastic Hydrology
• Catchment and Large Sample Hydrology
• Process-based modeling in regional hydrologic systems
• Quantification of human interventions in hydrologic systems
• Application of principles of complex systems in catchment hydrology

Educational Details

Professional Experiences

Selected Refereed Journal Publications

1. Dey, P., Mishra, A. (2017). Separating the impacts of climate change and human activities on streamflow: A review of methodologies and critical assumptions. Journal of Hydrology, 548, 278–290. https://doi.org/10.1016/j.jhydrol.2017.03.014
2. Dey, P., Mujumdar, P. P. (2018). Multiscale evolution of persistence of rainfall and streamflow. Advances in Water Resources, 121, 285–303. https://doi.org/10.1016/j.advwatres.2018.08.018
3. Dey, P., Mujumdar, P. P. (2019). On the uniformity of rainfall distribution over India. Journal of Hydrology, 578, 124017. https://doi.org/10.1016/j.jhydrol.2019.124017
4. Singh, P. K., Dey, P., Jain, S. K., Mujumdar, P. P. (2020). Hydrology and water resources management in ancient India. Hydrology and Earth System Sciences, 24(10), 4691–4707. https://doi.org/10.5194/hess-24-4691-2020
5. Gowri, R., Dey, P., Mujumdar, P. P. (2021). A hydro-climatological outlook on the long-term availability of water resources in Cauvery river basin. Water Security, 14, 100102. https://doi.org/10.1016/j.wasec.2021.100102
6. Dey, P., Mujumdar, P. P. (2022). On the statistical complexity of streamflow. Hydrological Sciences Journal, 67(1), 40–53. https://doi.org/10.1080/02626667.2021.2000991
7. Dey, P. (2023). On the structure of the intermittency of rainfall. Water Resources Management, 37, 1461–1472. https://doi.org/10.1007/s11269-023-03441-z
8. Ehret, U., and Dey, P. (2023). Technical note: Complexity–uncertainty curve (c-u-curve) – a method to analyse, classify and compare dynamical systems. Hydrology and Earth System Sciences, 27(14), 2591–2605. https://doi.org/10.5194/hess-27-2591-2023
9. Dey, P., Swarnkar, S. and Mujumdar, P. P. (2024). Dam operation affects the evolution and propagation of hydrologic extremes. Hydrological Sciences Journal, 69(3), 294–308. https://doi.org/10.1080/02626667.2024.2311755
10. Dey, P., Mathai Jeenu, Sivapalan M. and Mujumdar, P. P. (2024). On the regional-scale streamflow variability using flow duration curve. Hydrology and Earth System Sciences, 28(7), 1493–1514. https://doi.org/10.5194/hess-2023-178
11. Dutta, N., Dey, P., and Pal, J. (2025). Application of machine learning for optimization and modeling of turbidity removal from aqueous solution. Environmental Progress and Sustainable Energy, 44(1), e14494. https://doi.org/10.1002/ep.14494
12. Mangukiya, N. K., Kumar, K. B., Dey, P., et al. (2025). CAMELS-IND: hydrometeorological time series and catchment attributes for 228 catchments in Peninsular India. Earth System Science Data, 17, 461–491. https://doi.org/10.5194/essd-17-461-2025
13. Kumar, S., Dey, P., and Yadav, B. K. (2025). Hydrometeorological outlook on Water Resources in the Upper Seti River basin, Nepal. Accepted-In Print in Journal of Agricultural Engineering.
14. Kumar, S., Dey, P., and Yadav, B. K. (2025). Spatiotemporal Dynamics of Slow-Flow Responses in Glaciated and Non-Glaciated Catchments. Journal of Hydrological Engineering, ASCE, 30(5), 04025034. https://doi.org/10.1061/JHYEFF.HEENG-6547

Administrative Responsibilities

• Convener, Department Undergraduate Committee (DUGC), MF School of Sustainability, IIT Indore (2025–2027)
• Member, Department Postgraduate Committee (DPGC), MF School of Sustainability, IIT Indore (2025–2027)
• Member, Sophisticated Instrumentation Centre, IIT Indore (2025–2028)

Teaching and Mentoring Experience

Courses Taught (As Faculty)

• IIT Indore (July 2025 – Present): CE623 – Glaciology (PG course)
• IIT Roorkee (June 2023 – June 2025): HYE101 – Engineering Hydrology (B.Tech); HYT501 – Data Analysis and Numerical Methods (PG)

Teaching Assistantships (IISc Bangalore)

• Stochastic Hydrology (2018, 2019, 2020)
• Surface Water Hydrology (2017, 2021)

Funded Projects

Honours & Awards

Fellowship and Major Grants

• DST INSPIRE Faculty Fellowship (Department of Science and Technology, GoI). ₹1.12 Cr Grant (Awarded: June 2023)

Medals and Academic Achievements

• University Gold Medal for scoring highest in B.Tech course (July 2016).
• Smt. Shisubala Memorial Gold Medal for scoring highest in B.Tech course (July 2016).
• Secured All India Rank-48 in Graduate Aptitude Test in Engineering (GATE) (2013).
• Ranked 2nd in M.Tech course (Land and Water Resources Engineering), IIT Kharagpur.

Scholarships and Financial Support

• MHRD Scholarship during Ph.D. (2015–2020).
• MHRD Scholarship during M.Tech. course (2013–2015).
• University Merit Scholarship during B.Tech. course, Govt. of West Bengal (2009–2013).
• Student Travel Grant for attending American Geophysical Union (AGU) Fall Meeting (2018).