Recent Publications


  1. M.S. Rose, P.S. Sunil, J. Zacharia, K.M. Sreejith, S. Sunda, V.K. Mini, A.S. Sunil, K.V. Kumar, Journal of Earth System Science, 2022, Early detection of heavy rainfall events associated with the monsoon in Kerala, India using GPS derived ZTD and PWV estimates: A case study. [accepted]

  2. K.K. Ajith, A.S. Sunil, P.S. Sunil, D. Thomas, P. Kunnumal, M.S. Rose, Pure and Applied Geophysics, 2022, Atmospheric and Ionospheric Signatures Associated with the 15 January 2022 Cataclysmic Hunga-Tonga Volcanic Eruption: A Multi-layer Observation. [link]

  3. A.S. Sunil, P.S. Sunil, M.N. Shrivastava, A.K. Maurya, D. Thomas, G. Gonzalez, Journal of Geophysical Research: Space Physics, 2022, Seismic induced Ground deformation and Ionospheric perturbations of the 29th July 2021, Mw 8.2 Chignik earthquake, Alaska. [link]

  4. A.S. Sunil, K. K. Ajith, P.S. Sunil, D. Thomas, CRC Press - Taylor & Francis Group, 2022, Climate Change and Geodynamics in Polar Regions: Tracking the ionospheric responses over Antarctica during 04 December 2021 total solar eclipse. [link]

  5. T.R. Resmi, Girish Gopinath, P.S. Sunil, M. Praveenbabu, R. Rawat, CRC Press - Taylor & Francis Group, 2022, Climate Change and Geodynamics in Polar Regions: Isotope Hydrochemistry of Lakes and Transient Ponds of East Antarctica with Varying Degree of Environmental condition. [link]

  6. I.S. Sreeja, R.B. Binoj Kumar, R. Reghunath, Y. Singh, M. N. Nazeer, Applied Ecology and Environmental Sciences, 2022, Morphometric Characteristics of the Pallimon Watershed, South Kerala, India. [link]

  7. V.S. Joji, Y.K. Mawale, A. Gayen, Journal of Geoscience Research, 2022, Characterization of Typical Complex Hydrogeological Condition of Structurally Disturbed Shear Zone Areas of Palakkad District in Western Ghats Region, Central Kerala. [link]

  8. K. Reghunadh, V.S. Joji, S. Antony, A. Anoopkrishnan, K. Krishnakumar, Journal of Indian Water Works Association, 2022, The EIA of Hard Rock Quarrying on Ecosystem Services - A Case Study in Achenkovil River Basin, Western Ghats Region, South India. [link]

  9. B. Yu, M Santosh, T. Amaldev, Y. Jang, C.X. Yang, Precambrian Research, 2022, Paleo-Mesoarchean crustal evolution in the Coorg Block, southern India: Insights from magmatic and metamorphic records in mafic granulites. [link]

  10. P. Das, K. Maya, D. Padmalal, Earth-Science Reviews, 2022, Hydrogeochemistry of the Indian thermal springs: Current status. [link]

  11. J. Amal Dev, J.K. Tomson, Nilanjana Sorcar, K. Anto Francis, 2022, Precambrian Research, Timing of UHT metamorphism and cooling in south Indian granulites: New P-T-t results from a sapphirine granulite. [link]

  12. P.S. Sunil, P.S. Ajish, K.V. Kumar, M. Ponraj, S. Amirtharaj, A. Dhar, Springer - Earth and Environmental Sciences Book Series, 2022, Assessing the Antarctic Environment from a Climate Change Perspective: Revealing the Contemporary Kinematics of Antarctic Plate Using GPS and GRACE Data. [link]

  13. T.R. Resmi, G. Girish, P.S. Sunil, M. Praveenbabu, P. Arjun, R. Rawat, Springer - Earth and Environmental Sciences Book Series, 2022, Assessing the Antarctic Environment from a Climate Change Perspective: Chemical and Isotopic Characterization of Lakes in the Larsemann Hills, East Antarctica. [link]


  1. M.N. Shrivastava, A.K. Maurya, G. Gonzalez, P.S. Sunil, J. Gonzalez, P. Salazar, R. Aranguiz, Scientific Reports, 2021, Tsunami detection by GPS-derived ionospheric total electron content. [link]

  2. T.S. Aswathy , A.L. Achu , Shincy Francis, G. Girish, J. Shijo, U. Surendran and P.S. Sunil, Remote Sensing Applications: Society and Environment, 2021, Assessment of water quality in a tropical ramsar wetland of southern India in the wake of COVID-19. [link]

  3. V.S. Joji, A. Gayen, D. Saha, 2021, Journal of Earth System Science, Harvesting of water by tunneling: A case study from lateritic terrains of Western Ghats, India. [link]

  4. B. Yu, M. Santosh, T. Amaldev, R.M. Palin, Gondwana Research, 2021, Mesoarchean (ultra)-high temperature and high-pressure metamorphism along a microblock suture: Evidence from Earth's oldest khondalites in southern India. [link]

  5. B.A. Janarthana and Honey H. Das, Arabian Journal of Geoscience, 2021, Site classification and correlation study of HVSR curve with seismic and aquifer parameters of strong-motion sites in Uttarakhand, India. [link]

  6. A.P Anusha, K.R. Baiju, A. Ashitha and A.S. Sui, Journal of Geoscience Research, 2021, Mineralogical characterisation of anhydrite from charnokites: Evidance for Precambrian saline brine influx in Madhurai Block, Southern India. [link]

  7. A.U. Anish, KR. Baiju, P.K. Thomas, M. Anns, P.B. Rajkumar, Sreeraj Babu, Regional Studies in Marine Science, 2021, Status of GIS-enabled morphometric analysis of river basins of Kerala, Southern India: A review and assessment. [link]

  8. C. Sribin, B. Padma Rao, M. Ravi Kumar, J.K. Tomson, Journal of Asian Earth Sciences, 2021, Mantle deformation beneath the Western Ghats, India: Insights from core-refracted shear wave splitting analysis. [link]

  9. M.E. George, T, Akhil, R. Remya, M.K. Rafeeq, D.S.S. Babu, Marine Pollution Bulletin, 2021, Submarine groundwater discharge and associated nutrient flux from southwest coast of India. [link]

  10. J. Amal Dev, J.K. Tomson, Nilanjana Sorcar, V. Nandakumar, Lithos, 2021, Combined U-Pb/Hf isotopic studies and phase equilibrium modelling of HT-UHT metapelites from Kambam ultrahigh-temperature belt, south India: Constraints on tectonothermal history of the terrane. [link]

  11. M.N. Praveen, C.G. Nambiar, D.L., Huston, Ore Geology Reviews, 2021, Geochemistry and petrogenesis of Paleoproterozoic rhyolite-hosted zinc-rich metamorphosed volcanogenic massive sulfide deposits in the eastern Betul Belt, central India. [link]

  12. M. Prasad, C. P. Dubey, K. B. Joshi, and V. M. Tiwari, Lithosphere, 2021, Crustal Density and Susceptibility Structure beneath Achankovil Shear Zone, India. [link]

  13. A. Roy, C. P. Dubey, M. Prasad, Computers and Geosciences, 2021, Gravity inversion of basement relief using Particle Swarm Optimization by automated parameter selection of Fourier coefficients. [link]


  1. P.S. Ajish, P. S. Sunil, K. M. Sreejith, P. K. Gautam, K. V. Kumar, M. Ponraj, S. Amirtharaj, R. M. Shaju, S. K. Begum, C. D. Reddy, D. S. Ramesh, Journal of Geophysical Research, 2020, Surface Deformation and Influence of Hydrological Mass Over Himalaya and North India Revealed From a Decade of Continuous GPS and GRACE Observations. [link]

  2. R.T. Ratheesh-Kumar, P.L. Dharmapriya, B.F. Windley, W.J. Xiao, and U. Jeevan, Journal of Geophysical Research, 2020, The tectonic “umbilical cord” linking India and Sri Lanka and the tale of their failed rift. [link]

  3. R.T. Ratheesh-Kumar, B.F. Windley, W.J. Xiao, X-L. Jia, D.P. Mohanty, Precambrian Research, 2020, Early growth of the Indian lithosphere: Implications from the assembly of the Dharwar Craton and adjacent granulite blocks, southern India. [link]

  4. G. Gopinath, T. R. Resmi, M. Praveenbabu, M. Pragath, P. S. Sunil, R, Rawat, Indian Journal of Geo Marine Sciences, 2020, Isotope hydrochemistry of the lakes in Schirmacher Oasis, East Antarctica. [link]


  1. A. Dube, R. Singh, A. K. Maurya, S. Kumar, P. S. Sunil, A. K. Singh, Journal of Geophysical Research, 2019, Ionospheric Perturbations Induced by a Very Severe Cyclonic Storm (VSCS): A Case Study of Phailin VSCS.

  2. M. Ponraj, S. Amirtharaj, P.S. Sunil, P.S. Ajish, K. Vijay Kumar, S.K. Arora, C.D. Reddy, S.K. Begum, Journal of Asian Earth Sciences, 2019, An assessment of present-day crustal deformation in the Kumaun Himalaya from GPS observations.

  3. T. Sebastian, B.N. Nath, V. Ramaswamy, MBL Mascarenhas-Pereira, A.K. Yazing, P.R. Apurva, P. Linsy, M. Kocherla, P. Miriyala, B.R. Rao, Marine and Petroleum Geology, 2019, Distribution and dispersal of surface sediments on the continental margins of India.

  4. A.U. Anish, K.R. Baiju and S. Sekhar, Spatial Information Research, 2019, Hierarchical anomalies in drainage network: A Case study from Western Ghats, South India.

  5. A.U. Anish, K.R. Baiju, E.V. Midhun, K.N. Krishnakumar, Eco-Chronicle, 2019, Hierarchical anomaly and denudation index of Karuvannur river basin, Thrissur district, Kerala, India.

  6. K.R. Baiju K.R. and T. Amaldev, Eco-Chronicle, 2019, Graphite crystallinity, a reliable geothermometer for high-grade metamorphic rocks – case study from Trivandrum block, southern India.


  1. D. Thomas, M.S. Bagiya, P.S. Sunil, L. Rolland, A.S. Sunil, T.D. Mikesell, S. nayak, S. Mangalampalli, D.S. Ramesh, Scientific Reports, 2018, Revelation of early detection of coseismic ionopsheric perturbation in GPS-TEC from realistic modeling approach: Case study.

  2. K.M. Sreejith, P.S. Sunil*, R. Agrawal, P.S. Ajish, A.S. Rajawat, D.S. Ramesh, Scientific Reports, 2018, Audit of stored strain energy and extent of future earthquake rupture in central Himalaya.

  3. Ratheesh-Kumar, R. T., W. Xiao, Journal of Asian Earth Sciences, 2018, Effective elastic thickness along the conjugate passive margins of India, Madagascar and Antarctica: A re-evaluation using the Hermitemultitaper Bouguer coherence application.

  4. T. Amaldev T. and K.R. Baiju, Journal of Emerging Technologies and Innovative Research, 2018, Evidences of polyphase deformation and retrogression in high-grade metamorphic rocks – a case study from the Western Madurai Block, Southern India.


  1. P. Ajayakumar, S. Rajendran and T.M. Mahadevan, eoscience Frontier, 2018,Geophysical Lineaments of Western Ghats and adjoining coastal areas of central Kerala, Southern India and their temporal development.


  1. T. Amaldev, M. Santosh, Li Tang, K.R. Baiju, T. Tsunogae and M. Satyanarayana, Gondwana Research, 2016, Mesoarchean convergent margin processes and crustal evolution: petrologic, geochemical and zircon U-Pb and Lu-Hf data from the Mercara Suture Zone, southern India

  2. P. Ajayakumar, K.R. Baiju K.R and T.M. Mahadevan, Current Science, 2016, Status of Karur-Kambam-Painavu-Trichur shear zone, Southern Granulite Terrain (SGT) in the context of Late Mesozoic dynamic evolution of Western Ghats: A geophysical – geological perspective.

  3. R. Renju, N.R. Menon, M. Nashad, and N.R. Nisha, Journal of Marine Biological Association of India, 2016, First report of Ovamina opaca, Dahlgren, 1962, a saccaminid benthic foraminiferal species from the sediments of Arabian Sea.