Publications and Grants

Journal Publications

11. Kolluru, S., Gedam, S. S., Chander, S., Sahay, A. S. (2023). Estimation of chlorophyll-a concentration from turbid inland productive waters of India, Geocarto International, 38, 1, 2171143 https://doi.org/10.1080/10106049.2023.2171143 

10. Kolluru, S., Tiwari, S.P., (2022). Modeling ocean surface chlorophyll-a concentration from ocean color remote sensing reflectance in global waters using machine learning. Sci. Total Environ. 844, 157191. https://doi.org/10.1016/J.SCITOTENV.2022.157191 

9. Kolluru, S., Gedam, S. S., Inamdar, A. B., (2021). Haze correction of hyperspectral imagery over inland waters. Geocarto International, https://doi.org/10.1080/10106049.2021.2007293. 

8. Kolluru, S., Gedam, S. S., Inamdar, A. B., (2021). A machine learning approach for deriving spectral absorption coefficients of optically active oceanic constituents. Computers & Geosciences, 104879. https://doi.org/10.1016/j.cageo.2021.104879 Click here to get the Code for NNs

7. Kolluru S, Gedam, S. S., Inamdar, A.B., (2021). Performance evaluation of non-water absorption coefficient partitioning algorithms in optically complex coastal waters of Kochi and Goa, India. Oceanologia.;63(4):420-437. https://doi.org/10.1016/j.oceano.2021.05.001 

6. Kolluru S, Gedam, S. S., Inamdar, A.B., (2021). Subcomponent inherent optical properties retrieval from total absorption coefficient and remote sensing reflectance measured in coastal waters. Journal of Earth System Science.130(159). https://doi.org/10.1007/s12040-021-01661-8.

5. Kolluru S, Tiwari, S. P., Gedam, S.S., (2021). Hybrid Inversion Algorithms for Retrieval of Absorption Subcomponents from Ocean Colour Remote Sensing Reflectance. Remote Sensing.; 13(9):1726. https://doi.org/10.3390/rs13091726.

4. Kolluru, V., Kolluru, S., (2021). Development and evaluation of pre and post integration techniques for enhancing drought predictions over India. Int. J. Climatol. 1–21. https://doi.org/10.1002/joc.7100.

3. Kolluru, S., Gedam, S.S., Inamdar, A.B., (2021). A neural network approach for deriving absorption coefficients of ocean water constituents from total light absorption and particulate absorption coefficients. Comput. Geosci. 147, 104678. https://doi.org/10.1016/j.cageo.2020.104678. Click here to get the code for NNs

2. Kolluru, V., Kolluru, S., Wagle, N., Acharya, T.D., (2020). Secondary Precipitation Estimate Merging Using Machine Learning: Development and Evaluation over Krishna Basin, India. Remote Sens. 12, 1–23. https://doi.org/10.3390/rs12183013  

1. Kolluru, V., Kolluru, S., Konkathi, P., (2020). Evaluation and integration of reanalysis rainfall products under contrasting climatic conditions in India. Atmos. Res. 246, 105121. https://doi.org/10.1016/j.atmosres.2020.105121 

Book Chapter

Tiwari, S. P., Kolluru, S. 2023. Understanding primary productivity in the Indian Ocean using bio-optics and remote sensing. in Dynamics of Planktonic Primary Productivity in the Indian Ocean. Ed. Triapthy, S. C., Singh, A., Springer Nature link

Conference presentations/posters/proceedings

19. Kolluru, S., Calle, S.R., Bresnahan, P.J., 2023. "Accuracy of SeaHawk-HawkEye standard remote sensing reflectance products in globally distributed aquatic sites", in: International Ocean Color Science Meeting 2023. St. Petersburg, Florida, USA. 

18. Calle, S.R., Kolluru, S., Masud-Ul-Alam, Md., Lowin, B., Hunt, M., Ohall, A., Silva, F.J.D., 2023. "Unveling submesocale processes with high resolution ocean optics", in: International Ocean Color Science Meeting 2023. St. Petersburg, Florida, USA.

17. Brando, V.E., D’Alimonte, D., Kajiyama, T., Pitarch, J., Mazeran, C., Talone, M., Twardowski, M.S., Kolluru, S., Tonizzo, A., Gossn, J.I.,  Dessailly, D., Kwiatkowska, E.J., 2023. "BRDF correction for S3 OLCI water reflectance products", in: International Ocean Color Science Meeting 2023. St. Petersburg, Florida, USA.

16.  Mora-Carrera, I., Moore, T.S., Kolluru, S., Twardowski, M.S., Sayers, M., Shuchman, R., Binding, R., 2023 "Assessing Inherent Optical Property Models Across Freshwater and Marine Environments", in: Indian River Lagoon Symposium 2023. Fort Pierce, Florida, USA.

15. Ipanema Mora-Carrera, Timothy Moore, Srinivas Kolluru, and Michael S. Twardowski, "Assessing Phytoplankton absorption models across freshwater and marine environments," Ocean Optics XXV, 2-7 October 2022.

14. Davide D' Alimonte, Tamito Kajiyama, Marco Talone, Jaime Pitarch Portero, Vittorio Brando, Constant Mazeran, Michael Twardowski, Srinivas Kolluru, Alberto Tonizzo, Ewa Kwiatkowska, David Dessailly, and Juan Ignacio Gossn, "BRDF correction fo S3 OLCI water reflectance products," Ocean Optics XXV, 2-7 October 2022.

13. Srinivas Kolluru, Michael S. Twardowski and Shirishkumar Gedam, “Efficient Parameterization of the Generalized Inherent Optical Property (GIOP) model for ocean color inversion,” Ocean Optics XXV, 2-7 October, 2022.

12. Timothy S. Moore, Srinivas Kolluru, Alberto Tonizzo and Michael S. Twardowski, “A new bio-optical ocean color inversion model based on a fully analytical forward model,” Ocean Optics, 2-7 October 2022.

11.  Alberto Tonizzo, Michael Twardowski, Srinivas Kolluru, Art Gleason and Ken Voss, “Evaluating the BRDF correction for a new semi-analytical model using field measurements,” International Radiation Symposium, 4 -8 July 2022, Thessaloniki, Greece link. 

10. Alberto Tonizzo, Srinivas Kolluru and Michael Twardowski, “Evaluating the BRDF correction for a new semi-analytical model using field measurements,” EUMETSAT Workshop, BRDF for Sentinel-3, 21-29, Mar 2022, Lisbon Portugal 

9. Srinivas Kolluru, Michael S. Twardowski and Shirishkumar S. Gedam, "Efficient parameterization of the Generalized Inherent Optical Property Model for inversion of ocean color remote sensing reflectance," AGU Fall Meeting, 13-17 December 2021. Link to iposter

8. Timothy S. Moore, Srinivas Kolluru, Alberto Tonizzo and Michael S. Twardowski. "A Semi-Analytic inversion of the ZTT Forward Model Based on Radiative Transfer,"  AGU Fall Meeting, 13-17 December 2021. Link to iposter.

7. Srinivas Kolluru, Shirishkumar Gedam and Inamdar A. B. "Neural Network for deriving phytoplankton absorption coefficient from particulate absorption coefficient in coastal waters", MARICON 2019, Kochi, India, 16 - 20 December, 2019.

6. Srinivas Kolluru, Shirishkumar Gedam, Inamdar A. B. "Inclusion of variables in Semi-analytical model to retrieve Marine Inherent Optical Properties from deep waters," Ocean Optics Conference XXIV, Dubrovnik, Croatia, 7-12 October 2018.

5. Srinivas Kolluru, Shirishkumar S. Gedam and Inamdar A. B. "Effect of inclusion of new variables in inversion of Semi-analytical model for synthetic hyperspectral data of shallow waters," 9th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS), Amsterdam, The Netherlands, 23-26 September, 2018. doi: 10.1109/WHISPERS.2018.8747101 or https://ieeexplore.ieee.org/document/8747101 

4. Srinivas Kolluru, Shirish Gedam, A. B. Inamdar. "Inherent optical properties retrieval from deep waters using multiverse optimizer," SPIE Remote Sensing 2018, Berlin, Germany, 10784-14,  10-13 September 2018. doi: 10.1117/12.2325613 

3. Kolluru Srinivas, Shirish S. Gedam and A. B. Inamdar. "Shallow water ocean color observations inversion using particle swarm optimization and genetic algorithm," 2018 IEEE Geo science and Remote Sensing Symposium, Valencia, Spain, July 23-27, 2018. doi:  10.1109/IGARSS.2018.8518689 

2. Srinivasa Rao N, Ramarao E. P., Srinivas K and Deka Paresh C. “Classification of case-II waters using hyperspectral (HICO) data over North Indian Ocean,” Proc. SPIE 9878, Remote Sensing of the Oceans and Inland Waters: Techniques, Applications and Challenges, 98780X (May 7, 2016) :doi:10.1117/12.2223712 

1. K. Srinivas, P. S. Roy, Reshma M R, “Forest Fire Locations in India, their Spatio – temporal Patterns and Impact of Climatic Variables,” National Conference on Open Source GIS :  Opportunities and Challenges, IIT(BHU), Varanasi, October 9-10,2015. ISBN: 978-81-931-2500-7 

Travel Grants, Funds and Fellowships 

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Student Member