Research Publications

Peer-reviewed journal publications

1. Athira T, Agilan V. (2025) “Unveiling Temporal and Spatial Variations in the Daily PM2.5 Over Indian Cities” Journal of the Indian Society of Remote Sensing, in press. DOI: 10.1007/s12524-025-02338-1.
2. VishnuPriya M. S., Agilan V. (2025) “Expert System for Updating the Rainfall Intensity Duration Frequency Curve Under Climate Change and Non-stationarity Over India” Water Resources Management, DOI: 10.1007/s11269-025-04193-8.
3. Athira T, Agilan V. (2024) “Analysing Long-Term Trends in Monthly PM2.5 Concentrations Over India Using a Satellite-Derived Dataset” Aerosol Science and Engineering, in press. DOI: 10.1007/s41810-024-00260-6.
4. Athira T, Agilan V. (2024) “Estimating long‑term daily PM2.5 concentrations using deep learning over Delhi, India, and analyzing temporal variations in it” Acta Geophysica, in press. DOI: 10.1007/s11600-024-01486-1.
5. Dhanyamol P., Agilan V., Anand K.V. (2024) “Modeling non-stationarity in significant wave height over the Northern Indian Ocean” Stochastic Environmental Research and Risk Assessment, Vol. 38, pp. 3823–3836. DOI: 10.1007/s00477-024-02775-3.
6. Degavath Vinod, Agilan V. (2024) “Ranking of CMIP 6 climate models in simulating precipitation over India” Acta Geophysica, Vol. 72, pp. 3703–3717. DOI: 10.1007/s11600-024-01313-7.
7. Saikrishnan K., Anand K.V., Agilan V. (2024) “Coastal vulnerability assessment along the coast of Kerala, India, based on physical, geological, and socio-economic parameters” Marine Geodesy, Vol. 47, pp. 119-149. DOI: 10.1080/01490419.2023.2285944.
8. VishnuPriya M. S., Agilan V. (2022) “Evaluation of change factor methods in downscaling extreme precipitation over India” Journal of Hydrology, Vol. 614, pp. 128531. DOI: 10.1016/j.jhydrol.2022.128531. I.F. 6.708
9. Agilan V., Umamahesh N. V., P. P. Mujumdar (2021) “Influence of threshold selection in modeling peaks over threshold based nonstationary extreme rainfall series” Journal of Hydrology, Vol. 593, pp. 125625: 1-14. DOI: 10.1016/j.jhydrol.2020.125625. I.F. 6.708
10. Agilan V., Umamahesh N. V. (2019) “Rainfall Generator for Nonstationary Extreme Rainfall Condition”, ASCE’s Journal of Hydrologic Engineering, Vol. 24(9), pp. 04019027:1-13, DOI: 10.1061/(ASCE)HE.1943-5584.0001821. I.F. 2.439
11. Binh L.T.H., Agilan V., Umamahesh N. V., Rathnam E.V. (2019) “Modelling spatial variation of extreme precipitation over Ho Chi Minh City under nonstationary condition”, Acta Geophysica, Vol. 67(3), pp. 849–861, DOI: 10.1007/s11600-019-00295-1. I.F. 2.293
12. Nguyen D.D., Agilan V., Jayakumar K.V. (2019) “Bivariate Flood Frequency Analysis of Nonstationary Flood Characteristics”, ASCE’s Journal of Hydrologic Engineering, Vol. 24(4), pp. 04019007, DOI: 10.1061/(ASCE)HE.1943-5584.0001770. I.F. 2.439
13. Agilan V., Umamahesh N. V. (2018) “El Niño Southern Oscillation cycle indicator for modeling extreme rainfall intensity over India”, Ecological Indicators, Vol. 84, pp. 450–458. DOI: 10.1016/j.ecolind.2017.09.012. I.F. 6.263
14. Agilan V., Umamahesh N. V (2018). “Covariate and parameter uncertainty in non-stationary rainfall IDF curve”, International Journal of Climatology, Vol. 38(1), pp. 365–383. DOI: 10.1002/joc.5181. I.F. 3.651
15. Nguyen D.D., Jayakumar K.V., Agilan V. (2018) “Climate change impacts on flood frequency in Trian reservoir, Vietnam using RCMs”, ASCE’s Journal of Hydrologic Engineering, Vol. 23(2), pp. 05017032, DOI: 10.1061/(ASCE)HE.1943-5584.0001609. I.F. 2.439
16. Reshma T., Reddy K. V., Pratap D., Agilan V (2018). “Parameters Optimization using Fuzzy Rule Based Multi-objective Genetic Algorithm for an Event Based Rainfall-Runoff Model”, Water Resources Management, Vol. 32(4), pp. 1501–1516, DOI: 10.1007/s11269-017-1884-2. I.F. 4.426
17. Reshma T., Reddy K. V., Pratap D., Agilan V (2018). “Single- and two- step optimization of infiltration parameters and Manning’s roughness coefficients for a watershed using a multi-objective genetic algorithm”, ISH Journal of Hydraulic Engineering, Vol. 24(1), pp. 53-60, DOI: 10.1080/09715010.2017.1348263. I.F. NA
18. Agilan V., Umamahesh N. V. (2017) “What are the best covariates for developing non-stationary rainfall intensity-duration-frequency relationship?”, Advances in Water Resources, Vol. 101, pp. 11-22. DOI: 10.1016/j.advwatres.2016.12.016. I.F. 5.361
19. Agilan V., Umamahesh N. V. (2017) “Non-stationary rainfall intensity-duration-frequency relationship: a comparison between annual maximum and partial duration series”, Water Resources Management, Vol. 31(6), pp.1825–1841. DOI: 10.1007/s11269-017-1614-9. I.F. 4.426
20. Agilan V., Umamahesh N. V. (2017). “Modeling non-linear trend for developing non-stationary rainfall intensity-duration-frequency curve”, International Journal of Climatology, Vol. 37(3), pp. 1265–1281. DOI: 10.1002/joc.4774. I.F. 3.651
21. Agilan V., Umamahesh N. V. (2016). “Is the covariate based non-stationary rainfall IDF curve capable of encompassing future rainfall changes?”, Journal of Hydrology, Vol. 541, pp. 1441–1455. DOI: 10.1016/j.jhydrol.2016.08.052. I.F. 6.708
22. Agilan V., Umamahesh N. V. (2015). “Detection and attribution of non-stationarity in intensity and frequency of daily and 4-hour extreme rainfall of Hyderabad, India”, Journal of Hydrology, Vol. 530, pp. 677-697. DOI: 10.1016/j.jhydrol.2015.10.028. I.F. 6.708
23. Reshma T., Reddy K. V., Pratap D., Ahmedi M., Agilan V. (2015). “Optimization of Calibration Parameters for an Event Based Watershed Model Using Genetic Algorithm”, Water Resources Management, Vol. 29, pp. 4589–4606. DOI: 10.1007/s11269-015-1077-9. I.F. 4.426

Book chapters:

1. VishnuPriya, M.S., Agilan, V. (2025). Non-stationary Temperature Duration Frequency Curves for Ahmedabad City. In: Janardhan, P., Choudhury, P., Kumar, D.N. (eds) Water and Environment, Volume 2. ICWROEE 2024. Lecture Notes in Civil Engineering, vol 414. Springer, Singapore. https://doi.org/10.1007/978-981-97-7502-6_7
2. Dhanyamol, P., Agilan, V., Anand, K.V. (2024). Analysis of the Trend in the Significant Wave Height Over the Northern Indian Ocean. In: Sannasiraj, S.A., Bhallamudi, S.M., Rajamanickam, P.S., Kumar, D. (eds) Riverine, Estuarine and Marine Hydraulics. IAHRAPD 2022. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-97-6009-1_38
3. Saikrishnan, K., Anand, K.V., Agilan, V. (2024). Estimation of Shoreline Changes Along the Kozhikode Coast Using High-Resolution Remote Sensing. In: Sannasiraj, S.A., Bhallamudi, S.M., Rajamanickam, P.S., Kumar, D. (eds) Riverine, Estuarine and Marine Hydraulics. IAHRAPD 2022. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-97-6009-1_16
4. Vinod, D., Agilan, V. (2022). Impact of Climate Change on Precipitation Over India Using CMIP-6 Climate Models. In: Dikshit, A.K., Narasimhan, B., Kumar, B., Patel, A.K. (eds) Innovative Trends in Hydrological and Environmental Systems. Lecture Notes in Civil Engineering, vol 234. Springer, Singapore. https://link.springer.com/chapter/10.1007/978-981-19-0304-5_13.
5. Afeefa, P.C., Anjali, T., Arunraj, D.B., Shilpi, K., Nadha, Z.A.T., Agilan, V. (2022). Modeling the Urban Growth of Kochi Using Remote Sensing and GIS. In: Dikshit, A.K., Narasimhan, B., Kumar, B., Patel, A.K. (eds) Innovative Trends in Hydrological and Environmental Systems. Lecture Notes in Civil Engineering, vol 234. Springer, Singapore. https://link.springer.com/chapter/10.1007/978-981-19-0304-5_11.
6. Agilan V., Umamahesh N.V. (2018) Changes in ENSO and IOD Effects on the Extreme Rainfall of Hyderabad City, India. In: Singh V., Yadav S., Yadava R. (eds) Climate Change Impacts. Water Science and Technology Library, vol 82. Springer, Singapore. https://link.springer.com/chapter/10.1007/978-981-10-5714-4_7
7. Agilan V., Umamahesh N.V. (2018) Analyzing Non-stationarity in the Hyderabad City Rainfall Intensity-Duration-Frequency Curves. In: Singh V., Yadav S., Yadava R. (eds) Climate Change Impacts. Water Science and Technology Library, vol 82. Springer, Singapore. https://link.springer.com/chapter/10.1007/978-981-10-5714-4_9
8. Agilan V., Umamahesh N. V. (2017). “Rainfall Intensity-Duration-Frequency Curves Under Non-Stationary Condition”, In: Sustainable holistic water resources management in a changing climate. (Eds.) Srinivasa Raju, K., Vasan, A., M/S Jain Brothers, New Delhi.

Conference proceedings:

1. Swathi K, Agilan V. (2025) “Validation of GPM-IMERG precipitation estimates over Kerala”, HYDRO INTERNATIONAL 2025, National Institute of Technology Rourkela, Odisha, India, 18-20 December 2025.
2. Tamilarasan P, Agilan V, Sathish Kumar D. (2025) “Application of HEC-HMS for event-based flood forecasting in the Chaliyar river basin, Kerala”, HYDRO INTERNATIONAL 2025, National Institute of Technology Rourkela, Odisha, India, 18-20 December 2025.
3. VishnuPriya M. S., Agilan V. (2025) “Examining the Influence of Global Climate Drivers on Rainfall Extremes in Chennai”, International Conference on Advances in Water Resources, Maulana Azad National Institute of Technology, Bhopal, 10-12 June 2025.
4. VishnuPriya M. S., Agilan V. (2025) “Evaluating the influence of global climate drivers on temperature extremes for coastal cities of India”, International Conference on Water, Environment, Energy & Society, National Institute of Technology Puducherry, Karaikal, 23-26 April 2025.
5. VishnuPriya M. S., Agilan V. (2025) “Analysing non-stationary behaviour in the hourly temperature of Thiruvananthapuram”, International conference on applied probability, statistics and stochastic processes, ICAPSSP, NIT Calicut, Jan 30 to Feb 1, 2025.
6. Athira T, Agilan V. (2025). “Analysis of Trend in Monthly PM2.5 Concentration Across Kozhikode”, International conference on applied probability, statistics and stochastic processes, ICAPSSP, NIT Calicut, Jan 30 to Feb 1, 2025.
7. Athira T, Agilan V. (2025). “Enhanced PM2.5 Estimation Using AOD and Meteorological Parameters: A Case Study of Plamoodu, Trivandrum”, National conference on climate resilience and environmentally sustainable technologies (NITK-CREST 2025), NITK Surathkal, Feb 27 to Mar 1, 2025.
8. Charitha B. L., Manogna K., Celina T. C., Agilan V. (2024) “Analysing the Relationship between Monthly Rainfall and Hydroclimatic Variables over Kerala”, International Water Conference for Sustainable Development Goals-2024, MANIT, Bhopal, India, 22-23 March 2024
9. Fathima Jamsheena P., Agilan V. (2023) “Downscaling Satellite-Based Soil Moisture Products Over the Cauvery River Basin”, 28th International Conference on Hydraulics, Water Resources, River and Coastal Engineering, NIT Warangal, India, 21-23 December 2023
10. Geethika Moorthy, Chithra N. R., Agilan V. (2023) “Hydrological Modelling of The Chaliyar River Basin Using the VIC Model”, 28th International Conference on Hydraulics, Water Resources, River and Coastal Engineering, NIT Warangal, India, 21-23 December 2023
11. Saikrishnan K, Anand K.V., Agilan V. (2023) “Assessment and Prediction of Shoreline Change Along the Kozhikode Coast, Kerala, India”, 28th International Conference on Hydraulics, Water Resources, River and Coastal Engineering, NIT Warangal, India, 21-23 December 2023
12. Dhanya Mol P, Agilan V., Anand K.V. (2023) “Assessment of Spatial Variability in Significant Wave Height over the Northern Indian Ocean”, 28th International Conference on Hydraulics, Water Resources, River and Coastal Engineering, NIT Warangal, India, 21-23 December 2023
13. Dhanya Mol P, Agilan V., K.V. Anand (2022) “Analysis of trend in the significant wave height over the Northern Indian Ocean”, 23rd IAHR-APD CONGRESS, IIT Madras, December 2022.
14. Saikrishnan K., K.V. Anand, Agilan V. (2022) “Estimation of shoreline changes along the Kozhikode Coast using high resolution remote sensing”, 23rd IAHR-APD CONGRESS, IIT Madras, December 2022.
15. VishnuPriya M. S., Agilan V. (2022) “Developing non-stationary rainfall intensity duration frequency curve for Ahmedabad city, India”, International Conference on Advances in Civil Engineering, LSKBJ College of Engineering, Nashik, December 2022.
16. Krishna Priya S., Ridhima Remesh, Shahiya U.K, Silpa C Louis, Uthrishta Nair, Agilan V. (2021) “Spatial and temporal variations of precipitation over Cauvery river basin”, International Virtual Conference on Innovative Trends in Hydrological and Environmental Systems, NIT Warangal, April 28-30, 2021.
17. Chandrika T, Agilan V. (2019). “Changes in extreme rainfall characteristic over Kerala”, HYDRO2019, Osmania University - Hyderabad, December11-13, 2019.
18. Athira T, Agilan V. (2019). “Impact of climate change on rainfall over Chennai”, 5th International Conference on Modeling & Simulation in Civil Engineering, Kollam, December 11-13, 2019.
19. Athira T, Agilan V. (2019). “Temporal variation of air pollutants concentration over Chennai”, International Conference on Innovative Trends in Civil Engineering for Sustainable Development (ITCSD - 2019), National Institute of Technology Warangal: September 13-15, 2019.
20. Osuri K K, Nadimpalli R, Agilan V, Mohanty U C, Niyogi D (2018). “Urbanisation Induced Changes in the Rainfall Timing: Attribution Experiments Using Urban Sprawl over Hyderabad, India” 10th International Conference on Urban Climate/14th Symposium on the Urban Environment, NOAA, IAUC & AMS, New York, 6-10 August 2018.
21. Agilan V., Umamahesh N. V. (2017). “The possible impacts of urbanization on Hyderabad city rainfall”, International Conference on Sustainable Energy and Built Environment, VIT University, Vellore: 16-17 March 2017.
22. Agilan V., Umamahesh N. V. (2016). “Climate change impacts on rainfall intensity-duration-frequency curves of Hyderabad, India”, Civil Engineering Conference-Innovation for Sustainability, NIT Hamirpur, September 09 -10, 2016, Hamirpur, India.
23. Agilan V., Umamahesh N. V. (2016). “Covariate generation using multi-objective genetic algorithm for developing non-stationary rainfall IDF curve”, Conference on Water Resources and Flood Management with special reference to Flood Modelling, SVNIT Surat, October 14 – 15, 2016, Surat, India.
24. Agilan V., Umamahesh N. V. (2015). “Analysis of the spatial variability of annual and extreme rainfall over the Hyderabad area”, Hydro-2015, IIT Roorkee, 17-19 December 2015.
25. Agilan V., Umamahesh N. V. (2015). “Effect of El Niño-Southern Oscillation (ENSO) Cycle on Extreme Rainfall Events of Indian Urban Area”, International Conference on Sustainable Energy and Built Environment, VIT University, Vellore: 12-13 March 2015.
26. Agilan V., Umamahesh N. V. (2014). “Preparation of LULC map from GE images for GIS based Urban Hydrological Modeling”, International Conference on Modeling Tools for Sustainable Water Resources Management, Indian Institute of Technology, Hyderabad: 28-29 December 2014. (Received the best paper award)
27. Reshma T., Reddy K. V., Pratap D, Agilan V. (2014). “Optimization of Manning's Roughness Coefficients for a watershed using Multi-Objective Genetic Algorithm”, International Conference on Modeling Tools for Sustainable Water Resources Management, Indian Institute of Technology, Hyderabad: 28-29 December 2014.
28. Agilan V., Shashi M. (2013). “Measurement of Rana Pratap Sagar Reservoir Water Level Variations with Satellite Altimetry”, National Symposium on Remote Sensing and GIS for Environment with special emphasis on Marine Coastal Dynamics, Andhra University, Visakhapatnam, December 2013.

Report abuse