Research Interests
Agricultural hydrology and irrigation water management, Water–Energy–Food Nexus and sustainability assessment, Proximal and remote sensing of soil and crops (hyperspectral, thermal, LiDAR), Climate risk: drought, flood and extreme precipitation, Weather and extended range forecasts for agricultural decision support, Crop and ecohydrological modelling, Agricultural robotics and digital farming
BioSketch
Research
Inter-comparison of Different Rainfall Products and Validation of WRF Modelled Rainfall Estimation in N-W Himalaya during Monsoon Period
2018
Roy, A., Thakur, P.K., Pokhriyal, N., Aggarwal, S.P., Nikam, B.R., Garg, V., Dhote, P.R., Choksey, A. | Copernicus Publications
Journal: ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences Pages: 351-358 , Volumes: IV-5 ,
Short and Medium Range Irrigation Scheduling Using Stochastic Simulation‐Optimization Framework with Farm‐Scale Ecohydrological Model and Weather Forecasts
2021
Roy, A., Narvekar, P., Murtugudde, R., Shinde, V., & Ghosh, S. | AGU/Wiley
Journal: Water Resources Research Pages: e2020WR029004 , Volumes: 57 (5) ,
Water Savings with Irrigation Water Management at Multi-week Lead Time Using Extended Range Predictions
2022
Roy, A., Murtugudde, R., Sahai, A.K., Narvekar, P., Shinde, V., Ghosh, S. | Elsevier
Journal: Climate Services Pages: 100320 , Volumes: 27 ,
Remote Sensing and Climate Services Improve Irrigation Water Management at Farm Scale in Western-Central India
2023
Roy, A., Murtugudde, R., Narvekar, P., Sahai, A.K., Ghosh, S. | Elsevier
Journal: Science of the Total Environment Pages: 163003 , Volumes: 879 ,
Warming Inhibits Increases in Vegetation Net Primary Productivity despite Greening in India
2023
Das, R., Chaturvedi, R., Roy, A., Karmakar, S., Ghosh, S. | Springer Nature
Journal: Scientific Reports Pages: 21309 , Volumes: 13 ,
Towards Strategic Interventions for Global Food Security in 2050
2024
Roy, A., Moradkhani, H., Mekonnen, M., Moftakhari, H., Magliocca, N. | Elsevier
Journal: Science of the Total Environment Pages: 176811 , Volumes: 954 ,
Assessment of Climate Change Impact on Rainfed Corn Yield with Adaptation Measures in Deep South, US
2024
Han, X., Roy, A., Moghaddasi, P., Moftakhari, H., Mekonnen, M., Moradkhani, H. | Elsevier
Journal: Agriculture, Ecosystems and Environment Pages: 109230 , Volumes: 376 ,
District to Sub-district Scale Optimum Irrigation Water Management Planning at Multi-weeks Lead Time
2025
Roy, A., Sahai, A.K., Ghosh, S. | Springer
Journal: Journal of Earth System Science Pages: 102 , Volumes: 134 ,
Toward an Integrated Sustainability Assessment of Water-Energy-Food Nexus Indicators
2025
Roy, A., Moradkhani, H. | Elsevier
Journal: Journal of Hydrology X Pages: 100205 , Volumes: 28-29 ,
The Role of Autonomous Field Robots in Climate-Smart Soil Management: A Scoping Review
2026
Grahmann, K., Rohlmann, L., Thielemann, L., Roy, A., Weltzien, C. | Wiley
Journal: European Journal of Soil Science Pages: e70302 , Volumes: 77(2) ,
Scalable Computer Vision-Based Assessment of Bait Lamina Sticks to Quantify Soil Fauna Activity
2026
Roy, A., Thielemann, L., Ryo, M., Rivera-Palacio, J.C., Mengsuwan, K., Grahmann, K. | Elsevier
Journal: Ecological Indicators Pages: 114593 , Volumes: 182 ,
Moisture-Robust Soil Organic Carbon Prediction from Vis-NIR Hyperspectral Imagery Using External Parameter Orthogonalization and Transfer Learning
2026
Roy, A., Meena, S., Grahmann, K. | Elsevier
Journal: Geoderma Pages: 118094 , Volumes: 475 ,
Role of Geospatial Technology in Hydrological and Hydrodynamic Modeling: With Focus on Floods Studies. In Geospatial Technologies for Land and Water Resources Management (Water Science and Technology Library)
Year: 2022 , ISBN: 978-3-030-90479-1 (eBook)
Thakur, P.K., Patel, P., Garg, V., Roy, A., Dhote, P.R., Bhatt, C.M., Nikam, B.R., Choksey, A., Aggarwal, S.P. | Springer, Cham
Contribution: Book chapter (co-author) , Pages: 483–503 , Volumes: 103
Recent Studies on the Northeast Indian Rivers: A Crucial Water Resource of the Region. In Water Resources in Delta Region in India (Deltas of the World)
Year: 2026 , ISBN: 978-3-032-06500-1
Roy, A., Biswas, S. | Springer, Cham
Contribution: Book chapter (first author) , Pages: 211-226 ,
Honors And Awards
Miscellaneous
Expert reviewer, IPCC AR7 Working Group I First Order Draft (Chapter 9), through the APECS Early Career Researcher group review, 2026
