Publications

 Patent

• S. L. Kesav Unnithan, B. Biswal, C. Rüdiger, S. Ghosh, Method and System for Generating Flood Inundation Forecasts for large geographical areas, Application No: 202321007807, Patent Grant No: 571718, Date of Filing: 07/02/2023, Date of Grant: 08/10/2025, Certificate

Manuscripts

In Prep.

1. J. Stanaway-Dowse, N. Cherukuru, S. L. Kesav Unnithan, E. Lehmann, T. Ingleton, G. Kerrisk, N. Doszpot (In Prep.), Decadal satellite observations of coastal river plume extent changes across the NSW Marine Estate

In Review

2. G. Tilstone, J. Choo, S. L. Kesav Unnithan, Y. Guo, M. Müller, T. Jordan, E. Atwood, N. Cherukuru (In Review), High rainfall increases inorganic suspended sediment and coastal darkening in a temperate estuarine-coastal bay observed from 12 years of Landsat-8 data

3. S. L. Kesav Unnithan, N. Cherukuru, E. Lehmann, Y. Guo, D. Cole, M. Baird, B. Robson, T. Ingleton, M. Doubell (In Review), Continental-scale decline in phytoplankton chlorophyll-a concentrations across Australian coastal waters, https://doi.org/10.21203/rs.3.rs-9913275/v1 

4. Y. Guo, N. Cherukuru, E. Lehmann, S. L. Kesav Unnithan, T. Malthus, G. Kerrisk, X. Qi, F. Islam, T. Dhar, M. Doubell (In Review), Region-adaptable retrieval of coastal biogeochemical parameters from near-surface hyperspectral remote sensing reflectance using physics-aware meta-learning, https://doi.org/10.48550/arXiv.2605.05623

Published

5. S. L. Kesav Unnithan, B. Biswal, C. Rüdiger, S. Ghosh (2026), Probabilistic flood inundation prediction using copula-corrected precipitation forecast, Water Resources Management, https://doi.org/10.1007/s11269-026-04894-8

6. E. Sarkar, A. Kadu, S. L. Kesav Unnithan, B. Biswal (2026), Taming the non-linearity: An iterative conceptual routing model for improving flood peak prediction, Environmental Modelling and Software, https://doi.org/10.1016/j.envsoft.2025.106843

7. S. L. Kesav Unnithan, N. Cherukuru, T. Ingelton, E. Lehmann (2025), Influence of rainfall-runoff extremes on coastal Total Suspended Solids (TSS), Environmental Research Communications, https://doi.org/10.1088/2515-7620/ae1358

8. C. Luo, K. Han, W. Xiang, Y. Guo, S. L. Kesav Unnithan, X. Qi , N. Cherukuru (2025), HyperEst: Advancing aquatic biogeochemical parameters estimation via self-supervised pretraining with hyperspectral imagery, International Journal of Applied Earth Observation and Geoinformation,  https://doi.org/10.1016/j.jag.2025.104761

9. S. L. Kesav Unnithan, N. Cherukuru, T. Ingelton, E. Lehmann, M. Paget, N. Drayson, Y. Guo, G. Kerrisk (2025), Mapping Total Suspended Solids (TSS) and Dissolved Organic Carbon (DOC) in Complex Coastal Waters Using Deep Learning Enhanced Remote Sensing, Ecological Informatics, https://doi.org/10.1016/j.ecoinf.2025.103276

10. Y. Guo, N. Cherukuru, E, Lehmann, X. Qi, M. Doubell, S. L. Kesav Unnithan, M. Feng (2025), Decadal analysis of sea surface temperature patterns, climatology, and anomalies in temperate coastal waters with Landsat-8 TIRS observations, GIScience and Remote Sensing, https://doi.org/10.1080/15481603.2025.2518623

11. Position paper - S. L. Kesav Unnithan, B. Biswal, C. Rüdiger, A. K. Dubey (2024), A novel conceptual flood inundation model for large scale data-scarce regions, Environmental Modelling and Software, https://doi.org/10.1016/j.envsoft.2023.105863.

12. S. L. Kesav Unnithan, B. Biswal, C. Rüdiger, W. Sharples, K Bahramian, J. Hou (2023), Sensitivity analysis of topographic and runoff inputs on modelled flood inundation extents over Hawkesbury-Nepean catchment, Geosciences, https://doi.org/10.3390/geosciences13030067

13. P. Istalkar, S. L. Kesav Unnithan, B. Biswal, B. Sivakumar (2021), A Canberra distance-based complex network classification framework using lumped catchment characteristics, Stochastic Environmental Research and Risk Assessment, https://doi.org/10.1007/s00477-020-01952-4

14. S. L. Kesav Unnithan, B. Biswal, C. Rüdiger (2020), Flood Inundation Mapping by Combining GNSS-R Signals with Topographical Information, Remote Sensing, https://doi.org/10.3390/rs12183026

15. S. L. Kesav Unnithan, L. Gnanappazham (2020), Spatiotemporal mixed effects modelling for the estimation of PM2.5 from MODIS AOD over the Indian subcontinent, GIScience and Remote Sensing, https://doi.org/10.1080/15481603.2020.1712101

Conference Publications

16. Y. Guo, N. Cherukuru, E. Lehmann, S. L. Kesav Unnithan, G. Kerrisk, T. Malthus, F. Islam (2025) Hyperspectral in situ remote sensing of water surface nitrate in the Fitzroy River estuary, Queensland, Australia, using deep learning, IEEE Geoscience and Remote Sensing Symposium 2025,  https://doi.org/10.1109/IGARSS55030.2025.11313913

17. W. Sharples, K. Bahramian, S. L. Kesav Unnithan, C. Rüdiger, J. Hou, C. Pickett-Heaps, E. Carrara (2024), A tale of two floods: Hawkesbury-Nepean valley floods of February 2020 and March 2021, Proceedings of IAHS, 386, 237–249, https://doi.org/10.5194/piahs-386-237-2024

18. S. L. Kesav Unnithan, L. Gnanappazham (2020), Estimation of PM2.5 from MODIS Aerosol Optical Depth Over the Indian Subcontinent, Applications of Geomatics in Civil Engineering: Lecture Notes in Civil Engineering, https://doi.org/10.1007/978-981-13-7067-0_20