SCI Publications:

1. Maya K., Vivek, V.R., Sreelesh, R., Utpal Majee and Sreelash K. 2024. Hydrogeochemical signatures of spring water in geologically diverse terrains: a case study of Southern Western Ghats, India. Environ Monit Assess 196, 662 (2024). https://doi.org/10.1007/s10661-024-12775-z
2. Vipin T Raj, J.A. Gayathri, Vandana M,K. Sreelash,K. Maya, D. Padmalaland K. Sajan. Rock-water interaction, chemical weathering, and solute transport of two rivers draining contrasting climate gradients in Western Ghats, India. Earth Surface Processes and Land Forms Journal (2023).
3. Micky Mathew, Sreelash K, Amala Anie Jacob, Merin Mariam Jacob and Padmalal D. (2022). Diverging monthly rainfall trends in south peninsular India and their association with global climate indices. Stochastic Environment Research and Risk Assessment. 37, 27-48.
4. Gayathri J A., Vipin T Raj, K. Sreelash, K. Maya, M. Vandana and Padmalal D. (2021).Spatiotemporal variability in groundwater chemistry of a mountainous catchment with complex geologic and climate gradients in south west India. Environmental Earth Sciences, 80, 563(2021). DOI: 10.1007/s12665-021-09862-6
5. Sreelash, K.,Arulbalaji, P., Maya, K., Padmalal, D. (2021). Freshwater sources of Kerala - Hydrometeorological scenarios, environmental threats, and management strategies - Water Resources of Kerala: Status and Management, Geological Society of India, Special Publication - 10, Das, S., Shaji, E. (Eds). ISBN: 978-93-80998-41-1, Part-I, pp. 20-30.
6. Merin Mariam Mathew., Micky Mathew, Sreelash, K. (2021). Acceleration of hydrological cycle: evidences from the river basins of Kerala - Water Resources of Kerala: Status and Management, Geological Society of India, Special Publication - 10, Das, S., Shaji, E. (Eds). ISBN: 978-93-80998-41-1, Part-II, pp. 98-105.
7. Vipin T. Raj, Gayathri, J. A., Vandana, M., Sreelash, K., Sajan, K., Padmalal, D. (2021). Major element chemistry of the Bhavani River, Kerala, SW India – weathering processes and solute transport - Water Resources of Kerala: Status and Management, Geological Society of India, Special Publication - 10, Das, S., Shaji, E. (Eds). ISBN: 978-93-80998-41-1, Part-I, pp. 52-59.
8. Merin Mathew, K Sreelash, Micky Mathew, Arulbalaji P and Padmalal D. (2021). Spatiotemporal variability of rainfall and its effect on hydrological regime in a tropical monsoon-dominated domain of Western Ghats, India. Journal of Hydrology – Regional Studies. Vol. 36. 1008681.
9. Paras R. Pujari, V. Jain, V. Singh, K. Sreelash, S. Dhyani, M. Nema, P. Verma, R. Kumar, S. Jain and M. Sekhar. (2020). Critical zone: an emerging research area for sustainability. Current Science 118 (10), 1487-1488
10. Arulbalaji, P, K. Sreelash, Maya K and Padmalal D. 2019. Hydrological assessment of groundwater potential zones of Cauvery River Basin, India: a geospatial approach. Environmental Earth Sciences 78 (24), 667.
11. Arulbalaji, P., Padmalal, D and K.Sreelash, (2019). GIS and AHP Techniques Based Delineation of Groundwater Potential Zones: a case study from southern Western Ghats, India. Scientific Reports. 9, 1-17.
12. K. Sreelash, Sharma, R.K., Gayathri, J.A., Upendra, B., Maya, K. and Padmalal, D. (2018). Impact of rainfall variability on river hydrology– a case study of southern Western Ghats, India. Journal of Geological Society of India. Vol.92, pp.548-554.
13. Padmalal, D., K. Sreelash, Vipin T Raj and Sajan, K. (2018) River discharge, major ion chemistry and sediment transport of the Bharathapuzha river in Southern Western Ghats, India: Implications on catchment erosion. Journal of Geological Society of India. Vol.92, pp.568-578.
14. Maya, K., Prasenjit, D., K. Sreelashand Narendra Babu. (2018). The coastal springs of Southern Kerala, SW India- Hydrology and water quality assessment. Journal of Geological Society of India. Vol.92, pp.616-625.
15. K. Sreelash, Samuel Buis, Muddu Sekhar, Laurent Ruiz Sat Kumar Tomer and Martine Guerif. (2017). Estimation of available water capacity components of two-layered soils using crop model inversion: Effect of crop type and water regime. Journal of Hydrology, Vol. 546, pp. 166-178.
16. Tomer, S. K., Al Bitar, A., Sekhar, M., Corgne, S., Bandyopadhyay, S., K. Sreelash, Sharma, A. K., Zribi, M. and Kerr, Y. (2015). Retrieval and multi-scale validation of soil moisture from multi-temporal SAR data in a semi-arid tropical region. Remote Sens. 7, 8128-8153.
17. K. Sreelash, M. Sekhar, L. Ruiz. S. Buis and S. Bandyopadhyay. (2013). Agro-hydrological modelling in a semi-arid watershed combining field measurements and remote sensing. Journal of Indian Institute of Science, 93(2), pp. 189-207.
18. K. Sreelash, M. Sekhar, L. Ruiz, Sat Kumar, M. Guerif, S. Buis, P. Durand and C. Gascuel-Odoux. (2012). Parameter estimation of a two-horizon soil profile by combining crop canopy and surface soil moisture observations using GLUE. Journal of Hydrology, 456-457, pp. 57-67.
19. K Sreelash and B V Mudgal, 2010, Drag Characteristics of Cylindrical Piers with Slots and/or Collars in Subcritical Flow, ISH Journal of Hydraulic Engineering, 16(2), pp. 75-87.

Non SCI Publications:

• Utpal Majee, R. Sreelesh, Manab Kumar Dutta, V.R. Vivek, K. Sreelash, K. Maya. 2024. Source identification of spring water mass in the Southern Western Ghats of Kerala, India: Application of biogeochemical tracers, Groundwater for Sustainable Development, Volume 26.https://doi.org/10.1016/j.gsd.2024.101257 .
• Vipin T Raj, J.A. Gayathri, R.K. Sharma, B.L. Redkar, Sreelash K, D. Padmalal and K.Sajan. Tracing the sources of river waters using stable isotopes (δ18O and δ2H) in two mountainous watersheds, Southern Western Ghats, India. 2023. Journal of Geosciences Research, Vo. 8(2). https://doi.org/10.56153/g19088-023-0141-34 .
• Sreelash K, Merin Mariam Mathew and Padmalal D Changes in the Characteristics of Surface-Subsurface Water Interactions in Humid and Semi-Arid Tropics. Journal of Indian Water Resources Society (2023).
• K. Sreelash, Merin Mathew, Nisha, N, Arulbalaji P., Bindu, A.G. and Rajat Sharma.(2020). Changes in the hydrological characteristics of Cauvery River draining the eastern side of southern Western Ghats, India. International Journal of River Basin Management. 18 (2), 153-166.

Book/ Monographs /Chapters/Edited Volumes:

• Tomer, S. K., K. Sreelash, Ruiz, L. and Sekhar, M. (2019). A Case Study on Management of Groundwater Resources for Agriculture. Book Chapter on “Water Futures of India: Status of Science and Technology,” Editors: P.P. Mujamdar and V.M. Tiwari. Indian National Science Academy publication. SBN 978-819-3948-20-0 .
• K. Sreelash and R. Murugan. Adaptation work of Groundwater Hydrology, 3ed by David K. Todd, Larry W. Mays.Type of work: Chapter Review and Content Development for Adaptation of the book. Wiley India Adaptation. ISBN: 978-81-947263-3-3.

Conferences/Seminars/Symposia

1. Merin Mariam Mathew, K Sreelash and Micky Mathew “Acceleration of Hydrological Cycle: Evidences from the River Basins Draining the Southern Western Ghats India” 16th Annual Meeting of Asia Oceanic Geosciences Society (AOGS – 2019) in the Hydrological Sciences Session of the Singapore from 28th July to 2nd Aug, 2019, Singapore.
2. Anu S Patil, K. Sreelash, Varija K., Rajat Sharma. Integrated Surface- Subsurface Hydrological Modelling of a Humid Tropical River Basin. 16th Annual Meeting of Asia Oceanic Geosciences Society (AOGS – 2019) in the Hydrological Sciences Session of the Singapore from 28th July to 2nd Aug, 2019, Singapore.
3. K Sreelash, Rajat Kumar Sharma, Gayathri J A and Vipin T Raj. (2017). Effect of changes in the land surface and precipitation on the hydrology of small catchment rivers of southern Western Ghats, India. 7th International Groundwater Conference on Groundwater Vision-2030, 11-13 Dec, 2017, New Delhi.
4. K Sreelash, Rajat Kumar Sharma and Padmalal Damodharan.Tracing the natural and anthropogenic stressors on Hydrological Characteristics of river basins: A case study of rivers draining the southern Western Ghats, India. International Conference on the Status and Future of the World's Large Rivers, 18-21 April, 2017, New Delhi.
5. Rajat K Sharma, V M Tiwari, K Sreelash, D Padmalal. Monthly Evapotranspiration Simulation in Cauvery River Basin Using SWAT Model- INDO-US Bilateral Workshop on ‘Assessments of Regional Hydrology Using Space-Borne Gravity Observations,14-16 Nov 2016’, CSIR-NGRI, Hyderabad.
6. K. Sreelash, S. Buis, M. Guerif, M. Sekhar, and L Ruiz. Quantifying the uncertainties in the estimation of multilayered soil hydraulic properties at a catchment scale. TERENO International Conference, From observation to Prediction in terrestrial systems, 29 sep to 2nd Oct 2014, Bonn, Germany.
7. S. Buis, K.Sreelash, M. Guerif M. Sekhar, L. Ruiz, Sat Kumar, Amit Sharma, F., Ruget. Estimation of multilayered soil properties by inversion of a crop model using surface soil moisture and LAI: evaluation on experimental datasets. 15th Annual Conference of the International Association for Mathematical Geosciences. Madrid, Spain, 2-6 September 2013.
8. K. Sreelash, M. Sekhar, L. Ruiz, Sat Kumar, S. Bandyopadhyay, S. Buis, M. Guerif, P. Durand, C. Gascuel-Odoux. Estimation of multilayered soil properties using agro-hydrological models and microwave remote sensing. Second international conference on Hydropedology, Leipzig, Germany, (2012).
9. K. Sreelash, M. Sekhar, L. Ruiz, Sat Kumar, S. Bandyopadhyay, S. Buis, M. Guerif, P. Durand, Chantal Gascuel-Odoux (2012). Quantifying Uncertainty in Estimation of Potential Recharge in Tropical and Temperate Catchments using a Crop Model and Microwave Remote Sensing. AGU fall meeting San Francisco 3 – 7 Dec. (2012).
10. K. Sreelash, M. Sekhar, L. Ruiz, Sat Kumar, S. Bandyopadhyay, C. Gascuel-Odoux. (2012). Agro-hydrological models combined with microwave remote sensing data for improved management of groundwater irrigation. Fifth International Groundwater Conference, Aurangabad, India.
11. Sat Kumar Tomer, K. Sreelash, Muddu Sekhar, Laurent Ruiz, and Chantal Gascuel-Odoux. (2011). Coupling agricultural and hydrological models for improved management of groundwater irrigation under climate change. Vol. 13, EGU General Assembly, Vienna, Austria.
12. Gayathri J A., Vipin T Raj, Sreelash K., Maya K. & Padmalal D. (2023). Whether the contrasting isotopic signals in groundwater sources of the Bhavani River basin are signatures of mountain block recharge? A study from the Attappadi CZO. Proc. of 35th Kerala Science Congress, 10-14 February 2023. (First author received the best paper award).
13. Smitha P.S., Maya K., Sudheer K.P., Bindhu V.M., Sreelash K., and Padmalal D. “A case study on the diminishing coast of Thiruvananthapuram district using a new water index”, Proceedings of the 35th Kerala Science Congress, Idukki, 12-14 February, 2023.
14. Manab Kumar Dutta, Sreelash R and Sreelash K. Biogeochemistry of Critical Zone in the Tropics: A study from Critical Zone Observatories in South India. Poster presented in the Frontiers in Geosciences Research Conference, PRL, Ahmedabad, 1-3 February, 2023.
15. Maya, K., Sreelesh, R., Majee, U., andSreelash, K. Hydrochemistry and Hydrogeology of Cold and Thermal Springs over the South-western part of Kerala and Karnataka, India. Paper presented in the Frontiers in Geosciences Research Conference, PRL, Ahmedabad, 1-3 February, 2023.
16. Sreelesh, R., Dutta, M, K., Sreelash, K.,andMaya, K. Chemistry of dissolved major ions in Munnar Critical Zone Observatory (CZO), Southern Western ghats, India. Poster presented in the Frontiers in Geosciences Research Conference, PRL, Ahmedabad, 1-3 February, 2023.
17. Sreelash K and Padmalal D. TERRAIn: Tropical Ecosystem Research ObservatoRies in PeninsulAr India – NCESS network of CZOs. Presented in the CZO brainstorming meeting held at IIT Gandhinagar during 10th to 12th Nov, 2022.
18. Sreelash K and Padmalal D. Vegetation as a sensor for estimating sub surface soil water information: Evidences from experimental and modelling studies in Critical Zone Observatory. Paper presented in the 9th International Groundwater Conference (IGWC – 2022), Roorkee, 2nd to 4th Nov, 2022. (First author received the best paper award).
19. Sreelash K, Ajit Kumar Behera, Reji Srinivas, Murugan R and D. S. Suresh Babu. Characterization of Submarine Groundwater Discharge (SGD) along the southwest coast of India. Paper presented in the 9th International Groundwater Conference (IGWC – 2022), Roorkee, 2nd to 4th Nov, 2022.
20. Micky Mathew, Sreelash K. and Padmalal D. Causes and consequences of intensive climate change on Kerala during the recent decades. Paper presented in the 34rd Kerala Science Congress, Trivandrum, 10th to 12th February, 2022.
21. Vipin T Raj, SreelashK.and Padmalal D. Chemical denudation of mountainous catchments in Southern Western Ghats- A case study using hydro chemical tools & modelling. Poster presented in the 34rd Kerala Science Congress, Trivandrum, 10th to 12th February, 2022. (First author received the best poster award).
22. Smitha P.S., Maya K., Sreelash K., and Padmalal D. (2022), “A new water extraction technique for wetlands using Sentinel 2 MSI image”, Proceedings of the 34th Kerala Science Congress, Thiruvananthapuram, 10-12 February, 2022.
23. Micky Mathew, Sreelash K., Merin Mathew and Padmalal D. Decoding the Role of Climate Change in the Hydro-climatic Disasters of South Peninsular India. International Conference NATHAZARDS2021 held online from 20 Sept to 22 Sept, 2021.
24. Merin Mariam Mathew and Sreelash K. Modelling the Impact Scenario for flooding in Kerala- Case study of Pamba river basin. 33rd Kerala Science Congress, Trivandrum, 25th to 30th January ,2021.
25. K. Sreelash, Merin Mathew, Micky Mathew and Padmalal D. Changes in the characteristics of surface-subsurface water interactions in humid and semi-arid tropics. Presented in the ‘III Indian National Groundwater Conference (INGWC -2020)’ during 18th to 20th Feb, 2020 at CWRDM, Calicut.
26. K. Sreelash, Arulbalaji P and Padmalal D. 2019. “Kerala Flood-2018: Hydroclimatic issues and Modelling” at the FIGA conference, NGRI, Hyderabad, during 15 and 16th October, 2019.
27. Merin Mariam Mathew, Micky Mathew and K Sreelash, (2019), Acceleration of Hydrological Cycle: Evidences from The River Basins of Kerala. Poster presented at the National seminar on ‘Surface water and groundwater resources of Kerala: Management Issues, Policies, Future Strategies’ held at Department of Geology, University of Kerala on 15t March, 2019.
28. Vipin T Raj, Gayathri J A., K. Sreelash, Sajan K. and Padmalal D. (2019). Solute transport through the rivers draining Silent Valley and adjoining regions of Southern Western Ghats, India. 31st Kerala Science Congress, 2 -3 February, 2019, Kollam, Kerala.
29. Gayathri J A., Maya K, K. Sreelash, and Padmalal D. (2019). Major Ion Concentration in the Groundwater Sources of Bhavani River Basin (Kerala) - Its Implications on Silicate Weathering. 31st Kerala Science Congress, 2 -3 February, 2019, Kollam, Kerala.
30. Anu S Patil, K. Varija, K. Sreelash and Merin Mariam Mathew (2018). Understanding the surface-subsurface water interactions in a tropical river basin. Presented in HYDRO-2018, held at NIT Patna during 19-21 Dec, 2018.
31. Vipin T Raj, K. Sreelash, Sajan K. and Padmalal D. (2018). Major ion chemistry and sediment transport of Bhavani River, Kerala, SW India. 28th Swadeshi Science Congress. National seminar. 7 to 9th November. CSIR- National Institute for Interdisciplinary Science and Technology (NIIST).
32. Gayathri J A., Maya K, K. Sreelash, and Padmalal D. (2018). Hydrochemical Assessment of groundwater in Bhavani River basin.28th Swadeshi Science Congress,7-9 Nov 2018,CSIR- National Institute for Interdisciplinary Science and Technology (NIIST).
33. K. Sreelash, (2018). Improving the estimation of soil water fluxes using agro-hydrological model inversion for effective irrigation water management. Poster presented in the India International Science Festival-2018.
34. K. Sreelash. Hydrological response of river basins to climate changes: A study from Kerala, SW India. 29th Kerala Science Congress, 28-30 Jan, 2017, Thiruvalla, Kerala.
35. K Sreelash and Rajat Kumar Sharma. Hydroclimatic trends in Periyar and Netravati river basins, South West India: Implications on sustainable river basin management. 26th Swadeshi Science Congress, 7 – 9 Nov, 2016, CMFRI, Kochi.

Projects (Inhouse) :

• Critical Zone studies of Peninsular India - Ongoing
• Submarine Groundwater Discharge- Phase-II - Ongoing

Projects (External Funded) Completed as PI:

• Hydrological response of river basins to climate changes: A case study from Kerala, India” funded by Kerala Stata Council for Science Technology and Environment (KSCSTE), Kerala. (2018-2020)
• Estimation of soil water fluxes in the high-altitude mountainous watersheds in Kerala using in-situ observations and modelling, funded by Kerala Stata Council for Science Technology and Environment (KSCSTE), Kerala. (2022-2025)

Invited Talks:

1. Delivered a 2-day course comprising 7 lectures Delivered seven lectures on “Applications of Remote Sensing in Critical Zone Studies” conducted by Dept. of Civil Engineering, Mepco Schlenk Engineering College, Sivakasi, Tamin Nadu on 21st and 28th August, 2021.
2. Delivered an invited lecture on “Surface Water and Groundwater Interactions” as a part of Two-day online workshop on Sustainable Water Resources Management conducted by Dept. of Civil Engineering, Mepco Schlenk Engineering College, Sivakasi, Tamin Nadu on 16th November, 2021.
3. Delivered an invited lecture on “Critical Zone Observatories: The NCESS Initiatives” on 3rd November, 2020 in the International Workshop on “The Joy, Opportunities and Challenges in Field Hydrological Research’ jointly organized by NIE, Mysuru and IIT, Guwahati.
4. Delivered an invited lecture on the topic “Introduction to Hydrological modeling” at Dept. of Environmental Science, Kerala University, Trivandrum on 30th Jan, 2018.
5. Delivered an invited lecture on the topic “Introduction to modeling and inverse modeling” at Dept. of Environmental Science, Kerala University, Trivandrum on 29th Jan, 2018.
6. Delivered an invited lecture on the topic “Introduction to inverse modeling in hydrogeology” at Dept. of Geology, Anna University, Chennai on 10th Jan, 2018.

PhDs Guided:

• Ms. Micky Mathew: Hydroclimatological Alterations of Western Ghats: Causes and Consequences Cochin University of Science and Technology (CUSAT), Kochi, Ongoing
• Ms. Aswathi V K: Modelling the spatio-temporal dynamics of soil water fluxes in multilayered soils of mountainous watersheds. Cochin University of Science and Technology (CUSAT), Kochi, Ongoing
• Ms. Josna Raj P: Soil Geochemistry and Physical Erosion Process in Attappadi Critical Zone Observatory, Southern Western Ghats. Cochin University of Science and Technology (CUSAT), Kochi, Ongoing