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Publication Summary

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Updated on: Feb 27, 2026 | Citations: 3,261 | h-index: 20 | i10-index: 34 | Manuscripts published/accepted: 59 | Manuscripts under review: 7 | Book/Chapters: 3 | Preprints: 13 | Presentations/abstracts: 102

​* indicates mentees (current & former)​​

​​Manuscripts under Review

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  1. Rasiya Koya*, S., A. Aghakouchak, and T. Roy, Global Hotspots of Snow Drought Propagation into Hydrologic Drought Across River Basins, under review in Geophysical Research Letters. [Impact Factor: 4.6]

  2. Vazquez-Gasty*, S., S. Panday, C. Langevin, and T. Roy, A Robust Package for Fully 3D Richards' Equation Implementation in MODFLOW6, under review in Groundwater. [Impact Factor: 2.2]

  3. Kumar*, N., C. Liu*, Y. Kishawi*, A. Meira Neto, P. T. S. Oliveira, D. Dwivedi, and T. Roy, Drivers of streamflow and its components in arid regions across CONUS, under review in Hydrological Sciences Journal. [Impact Factor: 2.5]  

  4. Gupta*, C., R. Mahmood, P. Flanagan, T. Roy, and M. Hayes, Station Data-based Analysis of Extreme Precipitation Trends in the Missouri and Upper Mississippi River Basins, under review in Theoretical and Applied Climatology. [Impact Factor: 2.7]

  5. Das*, J., V. Manikanta, D. Hemanth, and T. Roy, Delayed Onset and Intensification of Flash Droughts in India under Warming Scenarios & Their Association with Compound Meteorological Extremes, under review in Climate Dynamics. [Impact Factor: 3.7]

  6. Suriano, Z. J., S. Davidson, R. D. Dixon, E. Janzon*, T. Roy, and S. Chafin, Turbulent Heat Fluxes during Rain-on-Snow Precipitation in the Central and Eastern United States, under review in Journal of Hydrometeorology. [Impact Factor: 2.9]

  7. Pokharel*, S. and T. Roy, River Stage Trends and Hotspots across CONUS: Implications for Infrastructure Resilience and Flood Risk Management, under review in Water Resources Management. [Impact Factor: 4.7]

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Peer-Reviewed Journal Articles

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  1. Srivastava*, S., T. Roy, A. Basche, Y. Yuan, and E. Traylor (2026), Evaluating the Impacts of Agriculture Conservation on Water Quantity and Quality through Trend, Predictability, and Causality Analysis, Water Resources Research (accepted). [Impact Factor: 5]

  2. Kumar*, N. and T. Roy (2026), Uncertainty Reduction in Streamflow Prediction using Mixture Density Networks, ASCE Journal of Hydrologic Engineering (accepted). [Impact Factor: 1.9]

  3. Dixon, R., E. Janzon*, T. Roy, Z. Suriano, and S. Davidson (2026), Numerical Representation of Turbulent Fluxes During the March 2019 Nebraska Rain-on-Snow Event, Environmental Research Letters (accepted). [Impact Factor: 5.6]

  4. Orieschnig, C. et al. (2026), Effective Science Communication in the Face of Water Crises: A Community Perspective on Challenges and Best-Practices in HELPING, Hydrological Sciences Journal, doi:10.1080/02626667.2026.2625282. [Impact Factor: 2.5]

  5. Ghimire*, P. K. Kim, T. Stentz, and T. Roy (2026), Modular Chain-of-Thought (CoT) for LLM-Based Conceptual Construction Cost Estimation, Buildings, 16(2), 396, doi:10.3390/buildings16020396. [Impact Factor: 3.1]

  6. Patil, A., S. Rasiya Koya*, T. Roy, R. Das Bhowmik (2025), Revising calibration of a lumped watershed model to yield high extreme streamflow, Environmental Research: Water, doi:10.1088/3033-4942/ae2654.

  7. Gupta*, C., R. Mahmood, P. Flanagan, T. Roy, M. Hayes, and L. Chen (2025), An Assessment of Extreme Precipitation Trends in the Missouri River Basin: Insights from Three Gridded Precipitation Data Sets and Climate Indices Analysis, International Journal of Climatology, doi:10.1002/joc.70163. [Impact Factor: 2.8]

  8. Liu*, C., T. Roy, D. M. Tartakovsky, and D. Dwivedi (2025), Baseflow identification via explainable AI with Kolmogorov-Arnold Networks, Journal of Geophysical Research: Machine Learning & Computation, doi:10.1029/2025JH000749.

  9. Kumar*, N., K. K. Kar*, S. Srivastava*, S. Pokharel*, S. Rasiya Koya*, M. Likins*, and T. Roy (2025), Trends and Causal Structures of Rain-on-Snow Flooding, Journal of Hydrology, doi:10.1016/j.jhydrol.2025.133938. [Impact Factor: 6.3]

  10. Kim*, I., S. Rasiya Koya*, T. Roy, and J. Eun (2025), Seasonal Influences of Precipitation and River Stage on Groundwater Levels in Platte River Watersheds Vulnerable to Spring Floods, ASCE Journal of Hydrologic Engineering, 30(5), doi:10.1061/JHYEFF.HEENG-6072. [Impact Factor: 1.9]

  11. Suriano, Z. J., S. Davidson, R. D. Dixon, and T. Roy (2025), Climatological Context of the Severe Rain-on-Snow Flooding Event of March 2019 in Eastern Nebraska, International Journal of Climatology, doi:10.1002/joc.8840. [Impact Factor: 2.8]

  12. Pokharel*, S., T. Roy, and D. Admiraal (2025), Machine Learning-based Peak flow Estimation for Nebraska Streams, International Journal of River Basin Management, doi:10.1080/15715124.2025.2469901. [Impact Factor: 1.9]

  13. Kar*, K. K., R. Haggerty*, H. Sharma, D. Dwivedi, and T. Roy (2025), Evapotranspiration partitioning using flux tower data in a semi-arid ecosystem, Hydrological Processes, doi:10.1002/hyp.70083. [Impact Factor: 2.9]

  14. Budamala, V., T. Roy, and R. Das Bhowmik (2024), A robust skill verification of hindcast decadal experiments on streamflow regimes using CMIP6 data, Journal of Hydrology, doi:10.1016/j.jhydrol.2024.132525. [Impact Factor: 6.3]

  15. Spor Leal*, L. B., T. Roy, D. R. Uden, and K. Schoengold (2024), Hydrological Impacts of the Conservation Reserve Program – A Mini Review, Frontiers in Water, doi:10.3389/frwa.2024.1506255. [Impact Factor: 2.8]

  16. Pokharel*, S. and T. Roy (2024), A Parsimonious Setup for Streamflow Forecasting using CNN-LSTM, Journal of Hydroinformatics, doi:10.2166/hydro.2024.114. [Impact Factor: 2.4]

  17. Van Loon, A. F., S. Kchouk, A. Matanó, F. Tootoonchi, C. Alvarez-Garreton, K. E. A. Hassaballah, M. Wu, M. L. K. Wens, A. Shyrokaya, E. Ridolfi, R. Biella, V. Nagavciuc, M. H. Barendrecht, A. Bastos, L. Cavalcante, F. T. de Vries, M. Garcia, J. Mård, I. N. Streefkerk, C. Teutschbein, R. Tootoonchi, R. Weesie, V. Aich, J. P. Boisier, G. DiBaldassarre, Y. Du, M. Galleguillos, R. Garreaud, M. Ionita, S. Khatami, J. K. L. Koehler, C. H. Luce, S. Maskey, H. D. Mendoza, M. N. Mwangi, I. G. Pechlivanidis, G G. R. Neto, T. Roy, R. Stefanski, P. Trambauer, E. A. Koebele, G. Vico, M. Werner (2024), Review article: Drought as a continuum – memory effects in interlinked hydrological, ecological, and social systems, Natural Hazards and Earth System Sciences, 24, 3173–3205, doi:10.5194/nhess-24-3173-2024. [Impact Factor: 4.7]

  18. Srivastava*, S., T. Gerdes*, and T. Roy (2024), County-scale Flood Risk Assessment of Properties and Associated Population in the United States, Natural Hazards, doi:10.1007/s11069-024-06892-8. [Impact Factor: 3.7]

  19. Almagro, A., A. A. Meira Neto, N. Vergopolan, T. Roy, P. A. Troch, and P. T. S. Oliveira (2024), The drivers of hydrologic behavior in Brazil: insights from a catchment classification, Water Resources Research, doi:10.1029/2024WR037212. [Impact Factor: 5]

  20. Suriano Z. J., S. Davidson, R. D. Dixon, and T. Roy (2024), Ohio River Basin Snow Ablation and the Role of Rain-on-Snow, Hydrological Processes, 38(6), doi:10.1002/hyp.15205. [Impact Factor: 2.9]

  21. Rasiya Koya*, S., K. K. Kar*, and T. Roy (2024), Northern Pacific Sea-level Pressure Controls Rain-on-Snow in North America, Communications Earth & Environment, doi:10.1038/s43247-024-01431-6. [Impact Factor: 8.9]

  22. Rasiya Koya*, S., and T. Roy (2024), Temporal Fusion Transformers for Streamflow Prediction: Value of Combining Attention with Recurrence, Journal of Hydrology, doi:10.1016/j.jhydrol.2024.131301. [Impact Factor: 6.3]

  23. Aiyelokun, O., Q. B. Pham, O. Aiyelokun, N. T. T. Linh, T. Roy, D. T. Ahn, and E. Lupikasza (2024), Effectiveness of Integrating Ensemble-Based Feature Selection and Novel Gradient Boosted Trees in Runoff Prediction: A Case Study in Vu GiaThu Bon River Basin, Vietnam, Pure and Applied Geophysics, doi:g10.1007/s00024-024-03486-0. [Impact Factor: 1.9]

  24. Kar*, K. K., T. Roy, S. Zipper, and S. E. Godsey (2024), Nonlinear trends in signatures characterizing non-perennial US streams, Journal of Hydrology, 635, 131131, doi:10.1016/j.jhydrol.2024.131131. [Impact Factor: 6.3]

  25. Srivastava*, S., N. Kumar*, A. Malakar, S. D. Choudhury, C. Ray, and T. Roy (2024), A Machine Learning-based Probabilistic Approach for Irrigation Scheduling, Water Resources Management, doi:10.1007/s11269-024-03746-7. [Impact Factor: 4.7]

  26. Rasiya Koya*, S., K. K. Kar*, S. Srivastava*, T. Tadesse, M. Svoboda, and T. Roy (2023), An Autoencoder-based Snow Drought Index, Scientific Reports, doi:10.1038/s41598-023-47999-5. [Impact Factor: 3.9]

  27. Johnny, C. J., J. C. Titus, and T. Roy (2023), Remote sensing-based drought hazard monitoring and assessment in a semiarid region: a principal component approach, Environmental Research, doi:10.1016/j.envres.2023.117757. [Impact Factor: 7.7]

  28. Srivastava*, S., and T. Roy (2023), Integrated Flood Risk Assessment of Properties and Associated Population at County Scale for Nebraska, USA, Scientific Reports, doi:10.1038/s41598-023-45827-4. [Impact Factor: 3.9]

  29. Shen, C., A. Appling, P. Gentine, T. Bandai, H. Gupta, A. Tartakovsky, M. Baity-Jesi, F. Fenicia, D. Kifer, L. Li, X. Liu, W. Ren, Y. Zheng, C. Harman, M. Clark, M. Farthing, D. Feng, P. Kumar, D. Aboelyazeed, F. Rahmani, Y. Song, H. Beck, T. Bindas, D. Dwivedi, K. Fang, M. Höge, C. Rackauckas, B. Mohanty, T. Roy, C. Xu, and K. Lawson (2023), Differentiable modelling to unify machine learning and physical models, Nature Reviews Earth and Environment, doi:10.1038/s43017-023-00450-9. [Impact Factor: 71.5]

  30. Pokharel*, S., T. Roy, and D. Admiraal (2023), Effects of mass balance, energy balance, and storage-discharge constraints on LSTM for streamflow prediction, Environmental Modeling & Software, doi:10.1016/j.envsoft.2023.105730. [Impact Factor: 4.6]

  31. Srivastava*, S., A. Basche, E., Traylor, and T. Roy (2023), The Efficacy of Conservation Practices on Reducing Floods and Improving Water Quality, Frontiers in Environmental Science, 11, doi:10.3389/fenvs.2023.1136989. [Impact Factor: 3.7]

  32. Velásquez, N., F. Quintero, S. Rasiya Koya*, T. Roy, and R. Mantilla (2023), Application of HLM-Snow to assess the flood of spring 2019 in Western Iowa, Journal of Hydrology: Regional Studies, 47, 101387, doi:10.1016/j.ejrh.2023.101387. [Impact Factor: 5]

  33. Rasiya Koya*, S., N., Velasquez, M. Rojas, R. Mantilla, K. Harvey, D. Ceynar, F. Quintero, W. F. Krajewski, and T. Roy (2023), Applicability of a Flood Forecasting System for Nebraska Watersheds, Environmental Modeling & Software, 164, 105693, doi:10.1016/j.envsoft.2023.105693. [Impact Factor: 4.6]

  34. Sánchez, R. A., T. Meixner, T. Roy, T. Ferre, M. Whitaker, and J. Chorover, Physical and Biogeochemical Drivers of Solute Mobilization and Flux through the Critical Zone after Wildfire (2023), Frontiers in Water, doi:10.3389/frwa.2023.1148298. [Impact Factor: 2.8]

  35. Aliev*, A., S. Rasiya Koya*, I. Kim*, J. Eun, E. Traylor, and T. Roy (2023), Application of neural networks for hydrologic process understanding at a Midwestern watershed, Hydrology, 10(2), 27, doi:10.3390/hydrology10020027. [Impact Factor: 3.2]

  36. Sikand, M., E. Avery, C. Friedrichsen, and T. Roy (2023), Integrated, Coordinated, Open, and Networked (ICON) Scientific and Societal Relevance, Earth and Space Science, doi:10.1029/2022EA002535. [Impact Factor: 2.6]

  37. Kishawi*, Y., A. R. Mittelstet, T. E. Gilmore, D. Twidwell, T. Roy, and, N. Shrestha (2022), Impact of Eastern Redcedar encroachment on water resources in the Nebraska Sandhills, Science of the Total Environment, 858, 1, 159696, doi: 10.1016/j.scitotenv.2022.159696. [Impact Factor: 8]

  38. Mai, J., H. Shen, B. A. Tolson, É. Gaborit, R. Arsenault, J. R. Craig, V. Fortin, L. M. Fry, M. Gauch, D. Klotz, F. Kratzert, N. O'Brien, D. G. Princz, S. Rasiya Koya*, T. Roy, F. Seglenieks, N. K. Shrestha, A. G. T. Temgoua, V. Vionnet, and J. W. Waddell (2022) The Great Lakes Runoff Intercomparison Project Phase 4: The Great Lakes (GRIP-GL), Hydrology and Earth System Sciences, 26, 3537-3572, doi:10.5194/hess-26-3537-2022. [Impact Factor: 5.7]

  39. Mattos, T. S., P. T. S. Oliveira, L. S. Bruno; G. A. Carvalho, R. B. Pereira, L. L. Crivellaro, M. C. Lucas, and T. Roy (2022), Towards reducing flood risk disasters in a tropical urban basin by the development of flood alert web application, Environmental Modelling & Software, 51, 105367, doi:10.1016/j.envsoft.2022.105367. [Impact Factor: 4.6]

  40. Sharma, S., K. Dahal, L. Nava, M. R. Gouli, R. Talchabhadel, J. Panthi, T. Roy, and G. R. Ghimire (2021), Natural Hazards Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science, Earth and Space Science, doi:10.1029/2021EA002114. [Impact Factor: 2.6]

  41. Valdes, R., J. B. Valdes, S. Wi, A. Serrat-Capdevila, and T. Roy (2021), Improving Operational Short- to Medium-Range (SR2MR) Streamflow Forecasting in the Upper Zambezi Basin and its subbasins using Variational Ensemble Forecasting, Hydrology, 8(4), 188, doi:10.3390/hydrology8040188. [Impact Factor: 3.2]

  42. Gupta, H. V., M. R. Ehsani, T. Roy, M. A. Sans-Fuentes, U. Ehret, and A. Behrangi (2021), Computing accurate probabilistic estimates of One-D Entropy from equiprobable random samples, Entropy, 14, 3480, doi:10.3390/en14123480. [Impact Factor: 2]

  43. Almagro, A., P. T. S. Oliveira, A. A. Meira Neto, T. Roy, and P. Troch (2020), CABra: a novel large-sample dataset for Brazilian catchments, Hydrology and Earth Systems Sciences, 25, 3105-3135, doi:10.5194/hess-25-3105-2021. [Impact Factor: 5.7]

  44. Mai, J. , B. A. Tolson, H. Shen, É. Gaborit, V. Fortin, N. Gasset, H. Awoye, T. A. Stadnyk, L. M. Fry, E. A. Bradley, F. Seglenieks, A. G. Temgoua, D. G. Princz, S. Gharari, A. Haghnegahdar, M. E. Elshamy, S. Razavi, M. Gauch, J. Lin, X. Ni, Y. Yuan, M. McLeod, N. Basu, R. Kumar, O. Rakovec, L. Samaniego, S. Attinger, N. K. Shrestha, P. Daggupati, T. Roy, S. Wi, T. Hunter, and J. R. Craig (2021): The Great Lakes Runoff Intercomparison Project Phase 3: Lake Erie (GRIP-E), ASCE Journal of Hydrologic Engineering, 26(9):05021020, doi:10.1061/(ASCE)HE.1943-5584.0002097. [Impact Factor: 1.9]

  45. Roy, T. and H. Gupta (2020), How certain are our uncertainty bounds? Accounting for sample variability in Monte Carlo-based uncertainty estimates, Environmental Modeling & Software, 136, 104931, doi:10.1016/j.envsoft.2020.104931. [Impact Factor: 4.6]

  46. Meira-Neto, A. A., G.-Y. Niu, T. Roy, S. Tyler, and P. A. Troch (2020), Interactions between snow cover and evaporation lead to higher sensitivity of streamflow to temperature, Communications Earth & Environment, 1, 56, doi:10.1038/s43247-020-00056-9. [Impact Factor: 8.9]

  47. Meira-Neto, A. A., T. Roy, P. T. S. Oliveira, P. A. Troch (2020), An aridity index-based formulation of streamflow components, Water Resources Research, 56(9), doi:10.1029/2020WR027123. [Impact Factor: 5]

  48. Roy, T., X. He, P. Lin, H. Beck, C. Castro, and E. F. Wood (2020), Global evaluation of seasonal precipitation and temperature forecasts from NMME, Journal of Hydrometeorology, 21(11), doi:10.1175/JHM-D-19-0095.1. [Impact Factor: 2.9]

  49. Roy, T., J. B. Valdés, A. Serrat-Capdevila, M. Durcik, E. M. C Demaria, R. Valdés-Pineda, and H. V. Gupta (2020), Technical Manual for the Multimodel Multiproduct Streamflow Forecasting Platform, 8(4), 277-289, Journal of Applied Water Engineering and Research, doi:10.1080/23249676.2020.1799442. [Impact Factor: 1.6]

  50. Blöschl, G., Bierkens, M.F.P., Chambel, A., Cudennec, C., Destouni, G., Fiori, A., Kirchner, J.W., McDonnell, J.J., Savenije, H.H.G., Sivapalan, M., Stumpp, C., Toth, E., Volpi, E., Carr, G., Lupton, C., Salinas, J., Széles, B., Viglione, A., Aksoy, H., Allen, S.T., Amin, A., Andréassian, V., Arheimer, B., Aryal, S.K., Baker, V., Bardsley, E., Barendrecht, M.H., Bartosova, A., Batelaan, O., Berghuijs, W.R., Beven, K., Blume, T., Bogaard, T., Borges de Amorim, P., Böttcher, M.E., Boulet, G., Breinl, K., Brilly, M., Brocca, L., Buytaert, W., Castellarin, A., Castelletti, A., Chen, X., Chen, Yangbo, Chen, Yuanfang, Chifflard, P., Claps, P., Clark, M.P., Collins, A.L., Croke, B., Dathe, A., David, P.C., de Barros, F.P.J., de Rooij, G., Di Baldassarre, G., Driscoll, J.M., Duethmann, D., Dwivedi, R., Eris, E., Farmer, W.H., Feiccabrino, J., Ferguson, G., Ferrari, E., Ferraris, S., Fersch, B., Finger, D., Foglia, L., Fowler, K., Gartsman, B., Gascoin, S., Gaume, E., Gelfan, A., Geris, J., Gharari, S., Gleeson, T., Glendell, M., Gonzalez Bevacqua, A., González-Dugo, M.P., Grimaldi, S., Gupta, A.B., Guse, B., Han, D., Hannah, D., Harpold, A., Haun, S., Heal, K., Helfricht, K., Herrnegger, M., Hipsey, M., Hlaváčiková, H., Hohmann, C., Holko, L., Hopkinson, C., Hrachowitz, M., Illangasekare, T.H., Inam, A., Innocente, C., Istanbulluoglu, E., Jarihani, B., Kalantari, Z., Kalvans, A., Khanal, S., Khatami, S., Kiesel, J., Kirkby, M., Knoben, W., Kochanek, K., Kohnová, S., Kolechkina, A., Krause, S., Kreamer, D., Kreibich, H., Kunstmann, H., Lange, H., Liberato, M.L.R., Lindquist, E., Link, T., Liu, J., Loucks, D.P., Luce, C., Mahé, G., Makarieva, O., Malard, J., Mashtayeva, S., Maskey, S., Mas-Pla, J., Mavrova-Guirguinova, M., Mazzoleni, M., Mernild, S., Misstear, B.D., Montanari, A., Müller-Thomy, H., Nabizadeh, A., Nardi, F., Neale, C., Nesterova, N., Nurtaev, B., Odongo, V.O., Panda, S., Pande, S., Pang, Z., Papacharalampous, G., Perrin, C., Pfister, L., Pimentel, R., Polo, M.J., Post, D., Prieto Sierra, C., Ramos, M.-H., Renner, M., Reynolds, J.E., Ridolfi, E., Rigon, R., Riva, M., Robertson, D.E., Rosso, R., Roy, T., Sá, J.H.M., Salvadori, G., Sandells, M., Schaefli, B., Schumann, A., Scolobig, A., Seibert, J., Servat, E., Shafiei, M., Sharma, A., Sidibe, M., Sidle, R.C., Skaugen, T., Smith, H., Spiessl, S.M., Stein, L., Steinsland, I., Strasser, U., Su, B., Szolgay, J., Tarboton, D., Tauro, F., Thirel, G., Tian, F., Tong, R., Tussupova, K., Tyralis, H., Uijlenhoet, R., van Beek, R., van der Ent, R.J., van der Ploeg, M., Van Loon, A.F., van Meerveld, I., van Nooijen, R., van Oel, P.R., Vidal, J.-P., von Freyberg, J., Vorogushyn, S., Wachniew, P., Wade, A.J., Ward, P., Westerberg, I.K., White, C., Wood, E.F., Woods, R., Xu, Z., Yilmaz, K.K., Zhang, Y., 2019. Twenty-three unsolved problems in hydrology (UPH) – a community perspective, Hydrological Sciences Journal, 64(10), 1141–1158. doi:10.1080/02626667.2019.1620507. [Impact Factor: 2.5]

  51. Roy, T., A. J. Martinez, J. E. H. Estrada, Y. Zhang, F. Dominguez, A. Berg, M. Ek, and E. F. Wood (2019), Role of moisture transport and recycling in characterizing droughts: Perspectives from two recent US droughts and the CFSv2 system, Journal of Hydrometeorology, 20, 139-154. doi:10.1175/JHM-D-18-0159.1. [Impact Factor: 2.9]

  52. Beck, H. E., M. Pan, T. Roy, G. P. Weedon, F. Pappenberger, A. I. J. M. van Dijk, G. J. Huffman, R. F. Adler, and E. F. Wood (2019), Daily evaluation of 26 precipitation datasets using Stage-IV gauge-radar data for the CONUS, Hydrology and Earth Systems Sciences, 23, 207–224. doi:10.5194/hess-2018-481. [Impact Factor: 5.7]

  53. Roy, T., J. B. Valdés, B. Lyon, E. M. C. Demaria, A. Serrat-Capdevila, H. V. Gupta, R. Valdés-Pineda, and M. Durcik (2018), Assessing hydrological impacts of short-term climate change in the Mara River basin of East Africa, Journal of Hydrology, 566, 818–829. doi:10.1016/j.jhydrol.2018.08.051. [Impact Factor: 6.3]

  54. Roy, T., A. Serrat-Capdevila, J. Valdes, M. Durcik, and H. Gupta (2017), Design and implementation of an operational multimodel multiproduct real-time probabilistic streamflow forecasting platform, Journal of Hydroinformatics, 19(6), 911-919. doi:10.2166/hydro.2017.111. [Impact Factor: 2.4]

  55. Jain, A., and T. Roy (2017), Evaporation modeling using neural networks for assessing the self-sustainability of a water body, Lakes and Reservoirs: Research and Management, 20, 1-11. doi:10.1111/lre.12175. [Impact Factor: 0.8]

  56. Roy, T., H. V. Gupta, A. Serrat-Capdevila, and J. B. Valdes (2017), Using Satellite-Based Evapotranspiration Estimates to Improve the Structure of a Simple Conceptual Rainfall-Runoff Model, Hydrology and Earth System Sciences, 21(2), 879–896. doi:10.5194/hess-21-879-2017. [Impact Factor: 5.7]

  57. Roy, T., A. Serrat-Capdevila, H. Gupta, and J. Valdes (2017), A platform for probabilistic Multimodel and Multiproduct Streamflow Forecasting, Water Resources Research, 53. doi:10.1002/2016WR019752. [Impact Factor: 5]

  58. Roy, T., N. Schütze, J. Grundmann, M. Brettschneider, and A. Jain (2016), Optimal groundwater management using state-space surrogate models: A case study for an arid coastal region, Journal of Hydroinformatics, 18(4), 666-686. doi:10.2166/hydro.2016.086. [Impact Factor: 2.4]

  59. Troch, P. A., T. Lahmers, A. Meira, R. Mukherjee, J. W. Pederson, T. Roy, and R. Valdés-Pineda (2015), Catchment Co-evolution: A useful framework for improving predictions of hydrological change? Water Resources Research, 51. doi:10.1002/2015WR017032. [Impact Factor: 5]

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Reports

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  1. Nebraska State Climate Report: Bathke, D.J., Hunt, E., Akin, H., Basche, A., Bell, J.E., DiLeo, D., Dixon, R.D., Durr, M., Hay, F.J., Haigh, T., McMillan, N., Kintziger, K.W., Miller, H., Powers, C., Roy, T., Tang, Z., Wishart, R., and Young, A., (2025), Understanding and Assessing Climate Change: Preparing for Nebraska’s Future, University of Nebraska–Lincoln. https://nsco.unl.edu/2024-nebraska-climate-assessment

   
​Book and Book Chapters

​​

  1. Pande S., A. Scolobig, J. Adamowski, N. Ajami, G. Carr, A. Castelletti, E. Du, J. Guillaume, T. Krueger, C. D. Pérez-Blanco, and T. Roy (2025), Chapter Four - Framing, analysis, and modeling, Coevolution and Prediction of Coupled Human-Water Systems: A Sociohydrologic Synthesis of Change in Hydrology and Society, Elsevier, ISBN: 978-0-443-41736-8, doi:10.1016/C2024-0-03476-5. 

  2. Bhowmik, R. D. and T. Roy (2022), Challenges and Solution Pathways in Water Use through the Lens of COVID-19, chapter in Global Pandemic and Human Security: Technology and Development Perspective, Springer Nature.

  3. Roy, T., N. Schütze, J. Grundmann, and A. Jain (2016), Water management in coastal aquifers by simulation-optimization, LAP Lambert Academic Publishing. ISBN number: 978-3-659-91749-3.​​

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Editorials

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  1. Garcia-Chevesich, P. A., R. Valdés-Pineda, T. Roy, and J. Valdes (2025), Integrated scientific contributions from multiregional studies on water resource management and governance, Frontiers in Water, doi:10.3389/frwa.2025.1623330.

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Extension Articles

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  1. Marchesini. E., T. F. de Almeida, A. Basche, S. Srivastava*, and T. Roy (2025), The Shell Creek Watershed Improvement Group: A Nationally Recognized Success: Farmer Leaders Improving Water Quality Through Coordinated Conservation, UNL CropWatch.

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Published Preprints

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  1. Rasiya Koya*, S. and T. Roy (2025), Efficacy of Temporal Fusion Transformers for Runoff Simulation, ArXiv, https://arxiv.org/abs/2506.20831.

  2. Liu*, C., T. Roy, D. M. Tartakovsky, and D. Dwivedi, Baseflow identification via explainable AI with Kolmogorov-Arnold networks, ArXiv, https://arxiv.org/abs/2410.11587

  3. Roy, T., S. Srivastava*, and B. Zhang (2024), Reinforcement Learning for Sociohydrology, ArXiv, https://arxiv.org/abs/2405.20772.

  4. Pokharel*, S. and T. Roy (2024), A Parsimonious Setup for Streamflow Forecasting using CNN-LSTM, ArXiv, https://doi.org/10.48550/arXiv.2404.07924.

  5. Rasiya Koya*, S., K. K. Kar*, S. Srivastava*, T. Tadesse, M. Svoboda, and T. Roy (2023), An Autoencoder-based Snow Drought Index, ArXiv, doi:10.48550/arXiv.2305.13646.

  6. Rasiya Koya*, S. and T. Roy (2023), Temporal Fusion Transformers for Streamflow Prediction: Value of Combining Attention with Recurrence, ArXiv, doi:10.48550/arXiv.2305.12335.

  7. Shen, C., A. Appling, P. Gentine, T. Bandai, H. Gupta, A. Tartakovsky, M. Baity-Jesi, F. Fenicia, D. Kifer, L. Li, X. Liu, W. Ren, Y. Zheng, C. Harman, M. Clark, M. Farthing, D. Feng, P. Kumar, D. Aboelyazeed, F. Rahmani, Y. Song, H. Beck, T. Bindas, D. Dwivedi, K. Fang, M. Höge, C. Rackauckas, T. Roy, C. Xu, and K. Lawson (2023), ArXiv, doi:10.48550/arXiv.2301.04027.

  8. Mai, J., H. Shen, B. A. Tolson, É. Gaborit, R. Arsenault, J. R. Craig, V. Fortin, L. M. Fry, M. Gauch, D. Klotz, F. Kratzert, N. O'Brien, D. G. Princz, S. Rasiya Koya*, T. Roy, F. Seglenieks, N. K. Shrestha, A. G. T. Temgoua, V. Vionnet, and J. W. Waddell (2022), The Great Lakes Runoff Intercomparison Project Phase 4: The Great Lakes (GRIP-GL), Hydrology and Earth System Sciences Discussions, doi:10.5194/hess-2022-113.

  9. Gupta, H. V., M. R. Ehsani, T. Roy, M. A. Sans-Fuentes, U. Ehret, and A. Behrangi (2021), Computing Accurate Probabilistic Estimates of One-D Entropy from Equiprobable Random Samples, ArXiv, doi:10.48550/arXiv.2102.12675.

  10. Almagro, A., P. T. S. Oliveira, A. A. Meira Neto, T. Roy, and P. Troch (2020), CABra: a novel large-sample dataset for Brazilian catchments, Hydrology and Earth Systems Sciences Discussions, doi:10.5194/hess-2020-521.

  11. Beck, H. E., M. Pan, T. Roy, G. P. Weedon, F. Pappenberger, A. I. J. M. van Dijk, G. J. Huffman, R. F. Adler, and E. F. Wood (2018), Daily evaluation of 26 precipitation datasets using Stage-IV gauge-radar data for the CONUS, Hydrology and Earth Systems Sciences Discussions, doi:10.5194/hess-2018-481.

  12. Troch, P. A., R. Dwivedi, T. Liu, A. Meira-Neto, T. Roy, R. Valdés-Pineda, M. Durcik, S. Arciniega-Esparza, and J. A. Breña-Naranjo (2018), Catchment-scale groundwater recharge and vegetation water use efficiency, Hydrology and Earth Systems Sciences Discussions, doi:10.5194/hess-2018-449.

  13. Roy, T., H. V. Gupta, A. Serrat-Capdevila, and J. B. Valdes (2016), Using satellite-based evapotranspiration estimates to improve the structure of a simple conceptual rainfall-runoff model, Hydrology and Earth System Sciences Discussions, doi:10.5194/hess-2016-413.

​​

Thesis/Dissertation

​​

  1. Roy, T. (2017), Improving hydrologic modeling for poorly gauged basins, Ph.D. Dissertation, Department of Hydrology and Atmospheric Sciences, University of Arizona, USA.

  2. Roy, T. (2012), Optimal water management in arid coastal regions with surrogate models: A simulation-optimization approach, Master Thesis, Department of Civil Engineering, Indian Institute of Technology Kanpur, India.

​

Model/Codes

​

  1. Roy, T., H. V. Gupta, A. Serrat-Capdevila, and J. B. Valdes (2017), HYMOD2 Hydrological Model Matlab Code, HydroShare, doi:10.4211/hs.4fa250f7954e4cda9021b6c722cce8d6.

​​​

​​

Conference/Symposium/Event Presentations/Abstracts

​

  1. Dixon et al. (2026), Improving the Numerical Representation of Turbulent Fluxes During the March 2019 Nebraska Rain-on-Snow Event, European Geosciences Union General Assembly, 3–8 May 3-8, Vienna. 

  2. Lahmers, T., N. Kumar*, A. Mazrooei, T. Haigh, A. Dugger, S. Kumar, C. Poulsen, M. Svoboda, and T. Roy (2026), Enhancing hydrological drought monitoring for USDM end users using NASA LIS and WRF-Hydro modeling systems, UNL COE Graduate Symposium, Lincoln.

  3. Anand*, C., T. Roy, R. Mahmood, and B. Sorensen, B. (2026), Imputation, Uncertainty quantification, and Anomaly detection in Meteorological Data, UNL COE Graduate Symposium, Lincoln.

  4. Roy, T., T. M. Lahmers, N. Kumar*, A. H. Mazrooei, T. Haigh, A. L. Dugger, S. V. Kumar, C. Poulsen, and M. D. Svoboda (2025), Enhancing hydrological drought monitoring for USDM end users using NASA LIS and WRF-Hydro modeling systems, American Geophysical Union Fall Meeting, December 15-19, New Orleans, Louisiana.

  5. Anand*, C., T. Roy, R. Mahmood, W. Sorensen (2025), Imputation, Uncertainty Quantification, and Anomaly Detection for Meteorological Data, American Geophysical Union Fall Meeting, December 15-19, New Orleans, Louisiana.

  6. Spor Leal*, L., T. Roy, D. Uden, K. Schoengold, T. Mieno, D. R. Bhattarai, and R. Khadka (2025), Impacts of agricultural conservation practices on hydrology based on modeling of Northern High Plains watersheds, American Geophysical Union Fall Meeting, December 15-19, New Orleans, Louisiana.

  7. Lahmers, T. M., N. Kumar*, A. H. Mazrooei, T. Haigh, A. L. Dugger, S. V. Kumar, M. D. Svoboda, and T. Roy (2025), Enhancing streamflow drought simulation through calibration for the US Drought Monitor, American Geophysical Union Fall Meeting, December 15-19, New Orleans, Louisiana.

  8. Srivastava*, S., T. Roy, A. Basche, Y. Yuan, and E. Traylor (2025), Assessing the Efficacy of Agricultural Conservation Practices in Improving Watershed Hydrology and Water Quality under Various Alternative Scenarios, American Geophysical Union Fall Meeting, December 15-19, New Orleans, Louisiana.

  9. Kumar*, N. and T. Roy (2025), Uncertainty Reduction in Streamflow Prediction using Mixture Density Networks, South Dakota Student Water Conference, Oct 14, Brookings, South Dakota.

  10. Khadka, R., D. R. Bhattarai, L. B. Spor Leal*, K. Schoengold, T. Mieno, D. R. Uden, and T. Roy (2025), Conservation Reserve Program and Hydrology in the Northern High Plains: An Integrated Model of Economic, Land-Use, and Hydrological Dynamics, Great Plains Water Conference, Sept 18-19, Omaha, Nebraska.

  11. Khadka, R., D. R. Bhattarai, L. B. Spor Leal*, K. Schoengold, T. Mieno, D. R. Uden, T. Roy (2025), Grasslands in the CRP: A Review of Economic, Hydrological, and Land Use Interaction, America's Grasslands Conference, June 24-26, Kearney, Nebraska.

  12. Dwivedi, D., C. Anand*, S. Jiang, U. Mital, K. Azizzadenesheli, P. Shuai, Z. Xu, X. Chen, S. Molins, T. Roy, and A. Anandkumar (2024), Enhancing Predictive Capabilities for Watershed Function through Transferability with ATS and FNO, American Geophysical Union Fall Meeting, December 9-13, Washington, D.C.

  13. Srivastava*, S., T. Roy, A. Basche, and E. Traylor (2024), Assessing the Effectiveness of Conservation Practices on the Hydrology at the Watershed Scale, American Geophysical Union Fall Meeting, December 9-13, Washington, D.C.

  14. Rasiya Koya*, S. and T. Roy (2024), The Cascading Effects of Snow Droughts on Streamflow, American Geophysical Union Fall Meeting, December 9-13, Washington, D.C.

  15. Janzon*, E., R. D. Dixon, Z. J. Suriano, T. Roy, S. Davidson (2024), Numerical Representation of Turbulent Fluxes During the March 2019 Nebraska Rain-on-Snow Event, American Geophysical Union Fall Meeting, December 9-13, Washington, D.C.

  16. Kar*, K. K., T. Roy, and R. Mahmood (2024), Evaluation of the Effect of Vapor Pressure Deficit on Wildfires and Streamflow, American Geophysical Union Fall Meeting, December 9-13, Washington, D.C.

  17. Suriano, Z. J., S. Davidson, R. D. Dixon, T. Roy, and E. Janzon* (2024), Surface Energy Fluxes During Rain-on-Snow Precipitation in the Eastern United States, American Geophysical Union Fall Meeting, December 9-13, Washington, D.C.

  18. Rasiya Koya*, S. and T. Roy (2024), A Diffusion Inspired Rainfall-Runoff Modeling Framework, HydroML Symposium, May 29-31, Richland, Washington.

  19. Roy, T. and S. Srivastava* (2024), Assessing Hydrological Impacts of Conservation Practices: Challenges and Opportunities, Exploring Regenerative Agriculture Workshop, May 21-22, Spokane Valley, Washington.

  20. Srivastava*, S., T. Gerdes*, and T. Roy (2024), Analyzing Flood Risk Across U.S. Counties: A Comprehensive Mapping Study, Daugherty Water for Food Global Institute Research Forum, April 17, Lincoln.

  21. Srivastava*, S., N. Kumar*, A. Malakar, S. D. Choudhury, C. Ray, and T. Roy (2024), A Probabilistic Framework for Irrigation Scheduling, American Water Resources Association Spring Conference, April 8-10, Tuscaloosa, Alabama.

  22. Machhi*, N., S Srivastava*, D. Uden, and T. Roy (2024), Spatiotemporal Patterns of Water Availability in a Nebraska Watershed, Introduce a Girl to Engineering Day, March 20, Omaha.

  23. Roy, T., S. Srivastava*, and T. Gerdes* (2024), Flood Risk based on Hazard, Exposure, Vulnerability, and Response, Harnessing the Heartland Workshop, Feb 29, Omaha.

  24. Dixon, R. D., T. Roy, Z. J. Suriano, and S. R. Davidson (2024), Climate Model Biases in Rain-on-Snow Days Across the Central United States, American Meteorological Society Annual Meeting, Jan 28 - Feb 1, Baltimore.

  25. Patil, A., R. Das Bhowmik, S. Rasiya Koya*, T. Roy, and N. Kumar (2023), Evaluate the Occurrence of Extreme Events in Two Indian Basins Using Rainfall-Runoff Model, American Geophysical Union Fall Meeting, Dec 11-15, San Francisco.

  26. Srivastava*, S., B. Zhang, M. J. Hayes, T. Tadesse, and T. Roy (2023), Application of Reinforcement Learning to Represent Human-Flood Interactions, American Geophysical Union Fall Meeting, Dec 11-15, San Francisco.

  27. Kumar*, N., K. K. Kar*, S. Srivastava*, S. Rasiya Koya*, S. Pokharel*, M. Likins*, and T. Roy (2023), Causal Discovery Methods to Investigate Rain-on-Snow Flooding, American Geophysical Union Fall Meeting, Dec 11-15, San Francisco.

  28. Rasiya Koya*, S. and T. Roy (2023), Streamflow Forecasting with Temporal Fusion Transformers, American Geophysical Union Fall Meeting, Dec 11-15, San Francisco.

  29. Kar*, K. K., and T. Roy (2023), Causal effects of hydroclimatic variables on streamflow signatures in non-perennial streams, American Geophysical Union Fall Meeting, Dec 11-15, San Francisco.

  30. Pokharel*, S., T. Roy, and D. Admiraal (2023), Enhancing Peakflow Estimation in Nebraska with Machine Learning, Nebraska Water Conference, Oct 3-4, Omaha.

  31. Kar*, K. K., A. Young, and T. Roy (2023), Influence of Climatic Patterns on Groundwater Levels in Nebraska, Nebraska Water Conference, Oct 3-4, Omaha.

  32. Rasiya Koya*, S., K. K. Kar*, and T. Roy (2023), Causal Drivers of Rain-on-Snow Events in North America, Nebraska Water Conference, Oct 3-4, Omaha.

  33. Srivastava*, S., T. Gerdes*, and T. Roy (2023), Flood Vulnerability Assessment at the County Scale for the US, Nebraska Water Conference, Oct 3-4, Omaha.

  34. Kumar*, N., Kar*, K. K., and T. Roy (2023), Trend for rain-on-snow events across North America, Nebraska Water Conference, Oct 3-4, Omaha.

  35. Roy, T., S. Rasiya Koya*, S. Pokharel*, N. Kumar*, S. Srivastava*, K. K. Kar*, and I. Kim* (2023), Convergent research towards building flood resilience in Nebraska, Nebraska Water Conference, Oct 3-4, Omaha.

  36. Srivastava*, S., A. Basche, E. Traylor, and T. Roy (2023), Using Statistical, Machine Learning, and Causal Discovery Methods to Assess the Use and Impacts of Conservation Practices at the Shell Creek Watershed, Nebraska, Soil Water Conservation Society Annual Conference, Aug 6–9, Des Moines.

  37. Blackwell*, B., S. Rasiya Koya*, N. Kumar*, and T. Roy (2023), Causal Drivers of Flood-Induced Water Quality Issues in Nebraska, Nebraska Summer Research Program Symposium, Aug 3, Lincoln.

  38. Laiwal, G., R. Wood, D. Admiraal, and T. Roy (2023), Shallow River Ice Flow Impacts on Critical Infrastructure, Hydraulic Measurements & Experimental Methods Conference, Jun 25-29, Fort Collins.

  39. Likins*, M., D. Admiraal, R. Wood, and T. Roy (2023), Using a Hydrodynamic Model and UAS Measurements to Better Predict Short-term and Long-term Channel Adjustments, Hydraulic Measurements & Experimental Methods Conference, Jun 25-29, Fort Collins.

  40. Rasiya Koya*, S. and T. Roy (2023), Application of Temporal Fusion Transformers in Streamflow Prediction, HydroML Symposium, May 22-24, Berkeley.

  41. Kar*, K. K., R. Haggerty*, H. Sharma, D. Dwivedi, and T. Roy (2023), Development of a machine learning-based evapotranspiration partitioning framework, HydroML Symposium, May 22-24, Berkeley.

  42. Kumar*, N., D. N. Kumar, and T. Roy (2023), Spatiotemporal analysis and modeling of nonstationarity in hydrological time series, European Geosciences Union General Assembly, Apr 23-28, Vienna.

  43. Rasiya Koya*, S., K. K. Kar*, S. Srivastava*, and T. Roy (2023), SnoDRI: A machine learning based index to measure snow droughts, European Geosciences Union General Assembly, Apr 23-28, Vienna.

  44. Srivastava*, S., N. Kumar*, A. Malakar, S. Das Choudhury, C. Ray, and T. Roy (2023), An ML-based Probabilistic Approach for Irrigation Scheduling, European Geosciences Union General Assembly, Apr 23-28, Vienna.

  45. Pokharel*, S., T. Roy, and D. Admiraal (2023), Enhancing Transportation Safety through Improved Peak Streamflow Prediction using Machine Learning Techniques, European Geosciences Union General Assembly, Apr 23-28, Vienna.

  46. Srivastava*, S. and T. Roy (2023), Flood Risk Assessment in Nebraska using Hazard, Exposure, Vulnerability, and Response as Drivers, Daugherty Water for Food Global Institute Research Forum, April 13, Lincoln, USA.

  47. Newcomer, M. E., N. Dogulu, H. Iravani, M. Dembélé, G. Uysal, T. Roy, S. Fischer, B. Dieppois, S. Dietrich, R. Dwivedi, and A. Tsyplenkov (2023), Open and Free Datasets for Hydrology Research: Insights, Challenges and Opportunities, 9th Global FRIEND-Water Conference, Dakar.

  48. Roy, T. (2023), Enhancing the hydrological drought monitoring capability of the US Drought Monitor, US Drought Monitor Forum, Apr 11-13, Boulder City.

  49. Shen, C., A. Appling, P. Gentine, T. Bandai, H. Gupta, A. Tartakovsky, M. Baity-Jesi, F. Fenicia, D. Kifer, L. Li, X. Liu, W. Ren, Y. Zheng, C. Harman, M. Clark, M. Farthing, D. Feng, P. Kumar, D. Aboelyazeed, F. Rahmani, H. Beck, T. Bindas, D. Dwivedi, K. Fang, M. Höge, C. Rackauckas, T. Roy, C. Xu, and K. Lawson (2022), Differentiable modeling in Geosciences to unify machine learning and physical models, American Geophysical Union Fall Meeting, Dec 12-16, Chicago.

  50. Mai, J., H. Shen, B. Tolson, E. Gaborit, R. Arsenault, J. R. Craig, V. Fortin, L. Fry, M. Gauch, D. Klotz, F. Kratzert, N. O'Brien, D. G. Princz, S. Rasiya Koya*, T. Roy, F. Seglenieks, N. Shrestha, A. G. Temgoua, V. Vionnet, and J. M. Waddell (2022), The Great Lakes Runoff Intercomparison Project Phase 4: the Great Lakes (GRIP-GL), American Geophysical Union Fall Meeting, Dec 12-16, Chicago.

  51. Pokharel*, S., T. Roy, and D. Admiraal (2022), A Physics-guided Machine Learning Scheme for Predicting Peak Flow in Streams, American Geophysical Union Fall Meeting, Dec 12-16, Chicago.

  52. Rasiya Koya*, S., K. K. Kar*, and T. Roy (2022) Potential Drivers and Spatiotemporal Variability of Rain-on-Snow Events, American Geophysical Union Fall Meeting, Dec 12-16, Chicago.

  53. Srivastava*, S., and T. Roy (2022), Development of a Flood Risk Framework in Context to Public Health Across Nebraska, United States, American Geophysical Union Fall Meeting, Dec 12-16, Chicago.

  54. Dixon, R., and T. Roy (2022), Biases in Rain-on-Snow Days in Climate Models, American Geophysical Union Fall Meeting, Dec 12-16, Chicago.

  55. Sikand, M. V., E. Avery, C. Friedrichsen, and T. Roy (2022), Integrated, Coordinated, Open, and Networked (ICON) Scientific and Societal Relevance, American Geophysical Union Fall Meeting, Dec 12-16, Chicago.

  56. Srivastava*, S., and T. Roy (2022), Assessment of Risk Associated with Flooding in the Context of Public Health in Nebraska, USA, Platte River Basin Conference, Kearney, Nebraska.

  57. Newcomer, M., N. Dogulu, H Iravani, M. Dembélé, G. Uysal, T. Roy, and S. Fischer (2022), Open and Free Datasets for Hydrology Research: Insights, Challenges and Opportunities, International Association of Hydrological Sciences Scientific Assembly, Montpellier.

  58. Walker, D. W., N. Vergopolan, L. Cavalcante, A. Almagro, T. Apurv, D. G. Kingston, T. Roy, K. H. Smith, and N. Wanders (2022), Flash droughts: bridging the understanding between physical definitions and societal impacts, European Geosciences Union General Assembly, Vienna.

  59. Pokharel*, S., D. Admiraal, and T. Roy (2022), A Physics-Based Machine Learning Scheme for Predicting Peak Flows in Nebraska Streams, UNL Student Research Days, Lincoln.

  60. Rasiya Koya*, S. and T. Roy (2022), Incorporating Snow Processes in the Iowa Flood Information System (IFIS) and Evaluating its Applicability to Nebraska, UNL Student Research Days, Lincoln.

  61. Kar*, K. K., S. C. Zipper, and T. Roy (2022), Change detection for hydrological signatures of non-perennial streamflow in United States, UNL Graduate Student Symposium, Feb 25, Lincoln.

  62. Kar*, K. K., S. C. Zipper, and T. Roy (2021), Identifying Nonlinear Change in Non-perennial Streamflow, American Geophysical Union Fall Meeting, Dec 13-17, New Orleans.

  63. Rasiya Koya*, S., N. V. Giron, R. Mantilla, M. Rojas, K. Harvey, D. Ceynar, W. F. Krajewski, and T. Roy (2021), Development of a Flood Monitoring System Prototype for a Pilot Basin in Nebraska, American Geophysical Union Fall Meeting, Dec 13-17, New Orleans.

  64. Kim*, I., S. Rasiya Koya*, J. Eun, and T. Roy (2021), Seasonal Effects of Precipitation and River Stage on Groundwater Level in the Midwestern United States, American Geophysical Union Fall Meeting, Dec 13-17, New Orleans.

  65. Pande, S., A. Scolobig, T. Krueger, J. H. A. Guillaume, M. Haeffner, J. F. Adamowski, N. Ajami, D. Perez, A. Castelletti, E. Du, T. Roy, and G. Carr (2021), Methodologies for the study of change in hydrology and society, American Geophysical Union Fall Meeting, Dec 13-17, New Orleans.

  66. Aliev*, A., S. Rasiya Koya*, I. Kim*, and T. Roy (2021), Towards Better Hydrologic Process Understanding at Shell Creek Watershed, American Geophysical Union Fall Meeting, Dec 13-17, New Orleans.

  67. Kar*, K. K., F. K. Khadim, A. K. Gain, and T. Roy (2021), Consequences of morphological and social changes in response to tidal river management, Delft International Conference on Sociohydrology, Sep 6-8, Delft.

  68. Aliev*, A., S. Rasiya Koya*, I. Kim, and T. Roy (2021), Towards Better Hydrologic Process Understanding at Shell Creek Watershed, UNL COE Summer Undergraduate Research Fair, Aug 3, Lincoln.

  69. Harvey, K., T. Roy, and S. Rasiya Koya* (2021), Research Towards an Integrated Food Information System for Nebraska, NEASCE/NITE Transportation Conference, June 4, Virtual.

  70. Pande, S., A. Scolobig, T. Kueger, J. Guillaume, M. Haeffner, J. Adamowski, N. Ajami, D. Perez, A. Castelletti, E. Du, T. Roy, and G. Carr (2021), Methodological approaches to studying coupled human-water systems, European Geosciences Union General Assembly, Apr 19-30, Virtual.

  71. Valdés-Pineda, R., J. B. Valdés, S. Wi, A. Serrat-Capdevila, T. Roy, E. M. C. Demaria, and M. Durcik (2021), Operational Daily Streamflow Forecasts by coupling Variational Ensemble Forecasting and Machine Learning (VEF-ML) approaches, European Geosciences Union General Assembly, Apr 19-30, Virtual.

  72. Doshi*, S. C., and T. Roy (2020), Assessment of predictability in Downscaling GEFS Precipitation Forecasts, American Geophysical Union Fall Meeting, Dec 1-17, Virtual.

  73. Barutha, P., L. E. Johnson*, S. Moussavi*, S. C. Doshi*, U. Kreitmair, and T. Roy (2020), Flooding Resilience in Nebraska: An Inter-disciplinary, Mixed-methods analysis of Vulnerability and Resilience in the March 2019 Nebraska Floods, American Geophysical Union Fall Meeting, Dec 1-17, Virtual.

  74. Sanchez, R. A., T. Roy, and T. Meixner (2020), Post-wildfire Streamflow Reconstruction Using Artificial Neural Network Model, American Geophysical Union Fall Meeting, Dec 1-17, Virtual.

  75. Kishawi*, Y., C. Liu*, H. Pham*, A. A. M. Neto, P. T. S. Oliveira, T. Roy (2020), A data-based approach for the estimation of streamflow components, American Geophysical Union Fall Meeting, Dec 1-17, Virtual.

  76. Roy, T., and P. Lin (2020), Seasonal Precipitation and Temperature Predictability Rebounds, American Geophysical Union Fall Meeting, Dec 1-17, Virtual.

  77. Doshi*, S., M. G. Valentín, and T. Roy (2020), Surface water and sewer network interface with the inlets, First International Conference on Urban Water Interfaces, Sep 22-24, Berlin.

  78. Neto, A. A. M., T. Roy, P. T. S. Oliveira, and P. A. A. Troch (2019), A Budyko-type formulation for baseflow and direct runoff, American Geophysical Union Fall Meeting, Dec 9-13, San Francisco.

  79. Beck, H. E., M. Pan, T. Roy, G. P. Weedon, F. Pappenberger, A. I. J. M. van Dijk, G. J. Huffman, R. F. Adler, and E. F. Wood (2019), Daily evaluation of 26 precipitation datasets using Stage-IV gauge-radar data for the CONUS, European Geosciences Union General Assembly, Apr 7-12, Vienna.

  80. Beck, H., M. Pan, T. Roy, and E. F. Wood (2018), Evaluation of 27 precipitation datasets using Stage-IV gauge-radar data for the CONUS, American Geophysical Union Fall Meeting, Dec 10-14, Washington, D.C. 

  81. Roy, T., P. Dimitriadis, T. Iliopoulou, D. Koutsoyiannis, E. F. Wood‎ (2018), Effects of Hurst-Kolmogorov Dynamics in Intensity-Duration-Frequency Curves, American Geophysical Union Fall Meeting, Dec 10-14, Washington, D.C. 

  82. Troch, P. A., A. A. Meira-Neto, T. Roy, and R. Valdés-Pineda (2018), Climate-based Formulation for Long-term Catchment-scale Baseflow and Direct Runoff, American Geophysical Union Fall Meeting, Dec 10-14, Washington, D.C. 

  83. Roy, T., J. B. Valdes, B. Lyon, E. M. C. Demaria, R. Valdés-Pineda, A. Serrat-Capdevila, M. Durcik, and H. V. Gupta (2017), Short-term climate change impacts on Mara basin hydrology, American Geophysical Union Fall Meeting, Dec 11-15, New Orleans.

  84. Troch, P., R. Dwivedi, A. A. Meira-Neto, R. Valdés-Pineda, and T. Roy (2017), Catchment-scale groundwater recharge and vegetation water use efficiency, American Geophysical Union Fall Meeting, Dec 11-15, New Orleans.

  85. Rushi, B. R., W. L. Ellenburg, E. C. Adams, A. Flores, A. S. Limaye, R. Valdés-Pineda, T. Roy, J. B. Valdés, F. Mithieu, and S. Omondi (2017), Bias Correction of Satellite Precipitation Products (SPPs) using a User-friendly Tool: A Step in Enhancing Technical Capacity, American Geophysical Union Fall Meeting, Dec 11-15, New Orleans.

  86. Roy, T., J. B. Valdes, A. Serrat-Capdevila, H. V. Gupta, B. Lyon, and M. Durcik (2017), Comparison of two bias correction schemes in the context of climate change impacts assessment in the Mara River basin, EarthWeek Research Symposium, Mar 27-31, University of Arizona, Tucson.

  87. Roy, T., H. Gupta, A. Serrat-Capdevila, and J. B. Valdes (2016), Using satellite-based actual evapotranspiration estimates to improve streamflow forecasting, American Geophysical Union Fall Meeting, Dec 12-16, San Francisco.

  88. Alemayehu T., T. Roy, A. Serrat-Capdevila, A. van Griensven, and J. Valdes (2016), Simulating streamflow using bias-corrected multiple satellite rainfall products in the Tekeze basin, Ethiopia, American Geophysical Union Fall Meeting, Dec 12-16, San Francisco.

  89. Roy, T., H. Gupta, A. Serrat-Capdevila, and J. Valdes (2016), Improving streamflow forecasting using satellite-based ET, Arizona Hydrological Society Annual Symposium, Sep 14-17, Tucson.

  90. Roy, T., V. Baker, K. Hirschboeck, and J. Duan (2016), Channel changes and their potential impacts on flood behavior of the Rillito Creek, Tucson, Arizona Hydrological Society Annual Symposium, Sep 14-17, Tucson.

  91. Roy, T., A. Serrat-Capdevila, J. Valdes, H. Gupta, E. Demaria, and M. Durcik (2016), A benchmark approach for real-time streamflow monitoring and forecasting, Galileo Circle Scholar Reception, Apr 20, University of Arizona, Tucson.

  92. Roy, T., A. Serrat-Capdevila, H. Gupta, J. Valdes, M. Durcik, and E. Demaria (2016), Probabilistic real-time streamflow forecasting in African basins, EarthWeek Research Symposium, Mar 31-Apr 1, University of Arizona, Tucson.

  93. Roy, T., A. Serrat-Capdevila, H. Gupta, J. B. Valdes, E. Demaria, and M. Durcik (2016), An improved streamflow forecasting platform for better decision making, WRRC Annual Conference, Mar 21, Tucson.

  94. Roy, T., T. Lahmers, A. Meira, R. Mukherjee, J. W. Pederson, R. Valdés-Pineda, T. Yoshida, and P. A. Troch (2015), Catchment Co-evolution: A useful framework for improving predictions of hydrological change? American Geophysical Union Fall Meeting, Dec 14-18, San Francisco.

  95. Roy, T., A. Serrat-Capdevila, H. Gupta, and J. B. Valdes (2015), Streamflow Forecasting using Satellite Products: A Benchmark Approach. Can We Reduce Uncertainty by using Multiple Products and Multiple Models? American Geophysical Union Fall Meeting, Dec 14-18, San Francisco.

  96. Serrat-Capdevila, A., J. Valdes, S. Wi, T. Roy, J. Roberts, and F. Robertson (2015), Seasonal Streamflow Forecasts for African Basins, American Geophysical Union Fall Meeting, Dec 14-18, San Francisco.

  97. Alemayehu, T., T. Roy, A. Serrat-Capdevila, A. van Griensven, J. Valdes, and W. Bauwens (2015), Value of bias-corrected satellite rainfall products in SWAT simulations and comparison with other models in the Mara basin, American Geophysical Union Fall Meeting, Dec 14-18, San Francisco.

  98. Roy, T., A. Serrat-Capdevila, J. Valdes, and H. Gupta (2015), Can we make better predictions by merging multiple models’ forecasts? Arizona Hydrological Society Annual Symposium, Sep 16-19, Phoenix.

  99. Roy, T., T. Lahmers, M. Tso, and H. Gupta (2015), SPSM: A physically-based snowpack accounting model, Arizona Hydrological Society Annual Symposium, Sep 16-19, Phoenix.

  100. Roy, T., A. Serrat-Capdevila, H. Gupta, and J. Valdes (2015), Estimating uncertainties in streamflow forecasts using a Bayesian multi-model and multi-product approach, UCOWR/NIWR/CUAHSI Annual Conference, Jun 16-18, Henderson.

  101. Roy, T., A. Serrat-Capdevila, J. B. Valdes, H. V. Gupta, E. M. Demaria, and M. Durcik (2015), Near-real-time streamflow monitoring and forecasting along with the estimation of uncertainties in a multi-model multi-product platform, EarthWeek Research Symposium, Apr 7-11, University of Arizona, Tucson.

  102. Roy, T., A. Serrat-Capdevila, J. B. Valdes, M. Durcik, H. V. Gupta, and R. Mukherjee (2014), Multi-model and multi-product streamflow forecasting in the African basins, EarthWeek Research Symposium, Apr 8-11, University of Arizona, Tucson.

  103. Schütze, N., and T. Roy (2014), Fast neural network surrogates for complex groundwater flow models, Paper 411, International Conference on Hydroinformatics, Aug 17-21, New York.

  104. Serrat-Capdevila, A., J. B. Valdes, T. Roy, R. Mukherjee, M. Durcik, M. Merino, R. Valdes, and H. Gupta (2013), A multi-model real-time forecasting prototype system in the Mara Basin (Kenya/Tanzania) in the Lake Victoria Watershed, American Geophysical Union Fall Meeting, Dec 9-13, San Francisco.

  105. Schütze, N., T. Roy, M. Brettschneider, and J. Grundmann (2013), Optimal groundwater management using surrogate models: a case study for an arid coastal region, Geophysical Research Abstracts, vol. 15, p. 12457, European Geosciences Union General Assembly, Apr 7-14, Vienna.

Tirthankar Roy

University of Nebraska-Lincoln

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