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IITK
Tushar Apurv

Tushar Apurv

PhD - University of Illinois

Assistant Professor, Departement of Civil Engineering

Research Interest

Drought risk management, hydro-climatology, water resources systems analysis, hydrologic modelling

Office
FB 311 Civil Engineering Department, 
IIT Kanpur, 208016, Uttar Pradesh 

Specialization

Hydraulics and Water Resources Engineering

Education

PhD - University of Illinois Urbana-Champaign, 2020

M.Tech-Indian Institute of Technology Kanpur, 2015

B.Tech-Indian Institute of Technology Guwahati, 2013

Selected Publications

Apurv, T., Sivapalan, M., & Cai, X. (2017). Understanding the role of climate characteristics in drought propagation. Water Resources Research, 53, 9304–9329. https://doi.org/10.1002/2017WR021445

Apurv, T., & Cai, X. (2020). Drought propagation in contiguous U.S. watersheds: A process‐based understanding of the role of climate and watershed properties. Water Resources Research, 56, e2020WR027755. https://doi.org/10.1029/2020WR027755 

Dar, J. A., & Apurv, T. (2024). Spatiotemporal characteristics and physical drivers of heatwaves in India. Geophysical Research Letters, 51, e2024GL109785. https://doi.org/10.1029/2024GL109785 

Singh, V., & Apurv, T. (2025). An analytical approach for quantifying the role of vapor pressure deficit in soil moisture depletion during flash droughts. Water Resources Research, 61, e2024WR038995. https://doi.org/10.1029/2024WR038995 

Rashid, O., & Apurv, T. (2025). Understanding the inter-event variability of recession flow characteristics and its drivers. Journal of Hydrology, 133033. https://doi.org/10.1016/j.jhydrol.2025.133033 

Awards & Fellowships

Water Resources Research Editor’s Choice Award (2017), American Geophysical Union Fall Meeting Washington D.C.

Academic excellence award, Indian Institute of Technology Kanpur (2015)

Papers

Mir, F. U. H., & Apurv, T. (2025). Effect of daily rainfall characteristics on surface soil moisture variability. Hydrological Sciences Journal, 1–15. https://doi.org/10.1080/02626667.2025.2519781

 Singh, V., & Apurv, T. (2025). An analytical approach for quantifying the role of vapor pressure deficit in soil moisture depletion during flash droughts. Water Resources Research, 61, e2024WR038995. https://doi.org/10.1029/2024WR038995   

Rashid, O., & Apurv, T. (2025). Understanding the inter-event variability of recession flow characteristics and its drivers. Journal of Hydrology, 133033. https://doi.org/10.1016/j.jhydrol.2025.133033  

Jee, O., Choudhary, L. K., Katiyar, M., & Apurv, T. (2025). Understanding the linkages between seasonal variability and annual trends in groundwater levels in alluvial aquifers of Uttar Pradesh, India. Journal of Hydrology, 132858. https://doi.org/10.1016/j.jhydrol.2025.132858  

Dar, J. A., & Apurv, T. (2024). Spatiotemporal characteristics and physical drivers of heatwaves in India. Geophysical Research Letters, 51, e2024GL109785. https://doi.org/10.1029/2024GL109785  

Walker, D. W., Vergopolan, N., Cavalcante, L., Smith, K. H., Agoungbome, S. M. D., Almagro, A., Apurv, T. ... & Xiang, Z. (2024). Flash drought typologies and societal impacts: a worldwide review of occurrence, nomenclature, and experiences of local populations. Weather, Climate, and Society, 16(1), 3-28. https://doi.org/10.1175/WCAS-D-23-0015.1  

Apurv, T., & Cai, X. (2021). Regional drought risk in the contiguous United States. Geophysical Research Letters, 48, e2020GL092200. https://doi.org/10.1029/2020GL092200  

Apurv, T., & Cai, X. (2020). Impact of droughts on water supply in U.S. watersheds: The role of renewable surface and groundwater resources. Earth's Future, 8, e2020EF001648. https://doi.org/10.1029/2020EF001648 

Apurv, T., & Cai, X. (2020). Drought propagation in contiguous U.S. watersheds: A process‐based understanding of the role of climate and watershed properties. Water Resources Research, 56, e2020WR027755. https://doi.org/10.1029/2020WR027755 

Apurv, T., Xu, Y.‐P., Wang, Z., & Cai, X. (2019). Multidecadal changes in meteorological drought severity and their drivers in mainland China. Journal of Geophysical Research: Atmospheres, 124, 12937– 12952. https://doi.org/10.1029/2019JD031317 

Apurv, T., & Cai, X. (2019). Evaluation of the stationarity assumption for meteorological drought risk estimation at the multidecadal scale in contiguous United States. Water Resources Research, 55(6), 5074-5101 https://doi.org/10.1029/2018WR024047 

 Apurv, T., X. Cai, and X. Yuan, (2019) Influence of Internal Variability and Global Warming on Multidecadal Changes in Regional Drought Severity over the Continental United States. Journal of Hydrometeorology, 20, 411–429 https://doi.org/10.1175/JHM-D-18-0167.1 

Cai, X., Shafiee-Jood, M., Apurv, T., Ge, Y., Kokoszka, S. (2017) Key issues in drought preparedness: reflections on experiences and strategies in the United States and selected countries. Water Security, 2, 32-42 https://doi.org/10.1016/j.wasec.2017.11.001 

Apurv, T., Sivapalan, M., & Cai, X. (2017). Understanding the role of climate characteristics in drought propagation. Water Resources Research, 53, 9304–9329. https://doi.org/10.1002/2017WR021445 

Ge, Y., T. Apurv, and X. Cai (2016), Spatial and temporal patterns of drought in the Continental U.S. during the past century, Geophysical Research Letters, 43, 6294–6303. https://doi.org/10.1002/2016GL069660 

Apurv, T., R. Mehrotra, A. Sharma, M. K. Goyal, and S. Dutta (2015), Impact of climate change on floods in the Brahmaputra basin using CMIP5 decadal predictions, Journal of Hydrology, 527, 281–291 https://doi.org/10.1016/j.jhydrol.2015.04.056 

UG/PG Courses Developed

CE718 Water Resources Systems Analysis
CE719 Hydrometeorology

PhD Supervision

Vishal Singh (2020-ongoing)

Understanding the physical mechanisms of flash droughts in India

Owees Rashid (2020-ongoing)

Inter-event variability of recession flow characteristics

Javid Ahmad Dar (2022-ongoing)

Physical mechanisms of heatwave onset and termination in India

Ghazar Muzaffar (2022-ongoing)

Physically based evaluation of evapotranspiration estimation methods