Indra Sekhar Sen (Florida International University, USA)
Associate Professor

WLE 201
0512-679-6440 (O)
E-mail: isen[AT]
Personal webpage

Research Specialization

  • Application of isotope geochemistry in various geological environments to understand the earth system processes
  • Atmospheric Chemistry
  • Impact of climate change on high altitude glacier

List of Journal Publications (peer reviewed)
** Post-doc, *PhD student supervision, ‡ MTech student supervision


Shukla, T.,**, Sundriyal, S., Sen, I.S., Contemporary inorganic carbon fluxes from rapidly changing glacierized watersheds of the Himalaya, under revision, Journal of Hydrology, 2020


Nizam, S.,*, Sen, I.S., Vinoj, V., Galy, V., Selby, D., Azam, M.F., Pandey, S.K., Creaser, R.A., Agarwal, A.K., Singh, A.P., Bizimis, M. Biomass derived local organic carbon key to western Himalayan glacier melt, under revision, Environmental Science & Technology, 2020


Shukla, T.,**, Boral, S.,*Sundriyal, S., Singh, R., and Sen, I.S., Testing the conservative behavior and temperature compensation of electrical conductivity for hydrograph separation studies in a glacial catchment, under review, Journal of Glaciology, 2020


Boral, S.,* Sen, I.S., Tracing ‘Third Pole’ ice meltwater contribution to the Himalayan rivers using isotopes, under revision, Geochemical Perspectives Letters, 2020


Boral, S.,* Sen, I.S., Ghoshal, D., Peucker-Ehrenbrink, B., Hemingway, J. Stable water isotope modeling reveals spatio-temporal variability of glacier meltwater contributions to Ganges River headwaters. Journal of Hydrology, 2019, 577, 123983


Gupta, S., S. H. Karumanchi, S. K. Dash, S. Adla, S. Tripathi, R. Sinha, D. Paul, and I. S. Sen (2019), Monitoring ecosystem health in India's food basket, Eos, 100, Published on 20 March 2019.


Wu, Fei., Owens, Jeremy D., Huang, Tianyi ., Sarafian, Adam., Huang, Kuo-Fang., Sen, I. S, Horner, Tristan J., Blusztajn, Jurek, Morton, Peter, and Nielsen, Sune G., Vanadium Isotope Composition of Seawater. Geochimica et Cosmochimica Acta 2019, 244, 403-415


Hemingway, J. D,. Spencer, R. G. M., Podgorski, D. C., Zito, P., Sen, I. S., Galy,V. Glacier meltwater and monsoon precipitation drive Upper Ganges Basin dissolved organic matter composition. Geochimica et Cosmochimica Acta, 2019, 244, 216-228


Nizam, S. ‡ and Sen, I. S., Effect of Southwest Monsoon Withdrawal on Airborne Particles Over the Indo-Gangetic Basin: Aerosol Loading and Heavy Metal Concentrations. Atmospheric Environment, ACS Earth and Space Chemistry, 2018, 2 (4), 347-355


Sen, I.S., Boral, S., * Ranjan, S., ‡ Tandon, S.K., Small But Important –The Role of Small Floodplain Tributaries to River Nutrient Budget, ACS Earth and Space Chemistry 2018, 2, 64-71


Mitra, A.* and Sen, I. S., 2017. Earth’s Anthrobiogeochemical Platinum, Palladium and Rhodium Cycles: An Emerging Environmental Contamination. Geochimica et Cosmochimica Acta, 2017, 417-432


Sen, G, Hames, W.E., Paul, D.K., Biswas, S.K., Ray, A., Sen, I.S. Pre-Deccan and Deccan Magmatism in Kutch, India: Implications of New 40Ar/39Ar Ages of Intrusions. Journal of Geological Society of India, 2016, 6


Sen, I. S., Mitra, A.,* Peucker-Ehrenbrink, B., Rothenberg, S., Tripathi, S.N.,. Bizimis, M., 2016. Emerging airborne contaminants in India: Platinum Group Elements from catalytic converters in motor vehicles. Applied Geochemistry, 2016, 75, 100-106


Sen, I. S., Bizimis, M.Tripathi, S.N., Paul, D., 2016. Lead isotope fingerprinting of aerosols to characterize the sources of atmospheric lead in an industrial city of India. Atmospheric Environment 129, 27-33


Sen, I. S. & Peucker-Ehrenbrink, B. Rapid determination of osmium concentrations and 187Os/188Os of crude oils and source rocks by coupling high pressure, high temperature digestion with sparging OsO4 into a multi-collector ICPMS. Analytical Chemistry, 2014, 86, 2982-2988


Sen, I. S. Platinum Group Element Pollution is a Growing Concern in Countries with Developing Economy. Environmental Science & Technology, 2013, 47, 13903-13904


Sen, I. S., Peucker-Ehrenbrink, B. & Geboy, N. Complex Anthropogenic Sources of Platinum Group Elements in Aerosols on Cape Cod, USA. Environmental Science & Technology, 2013, 47, 10188-10196


Sen, I. S. & Peucker-Ehrenbrink, B. Anthropogenic Disturbance of Element Cycles at the Earth’s Surface. Environmental Science & Technology, 2012, 47, 10188-10196 [Cover Photo]


Sen, I. S., Bizimis, M., Sen, G. & Huang, S. A radiogenic Os component in the oceanic lithosphere? Constraints from Hawaiian pyroxenite xenoliths. Geochimica et Cosmochimica Acta, 2011, 75, 4899-4916


Sen, I. S., Bizimis, M. & Sen, G. Geochemistry of sulfides in Hawaiian garnet pyroxenite xenoliths: Implications for highly siderophile elements in the oceanic mantle. Chemical Geology 2010, 273, 180-192

Projects (Ongoing):

  1. 2018-2021: Dust or soot? Tracing the primary drivers of increased glacial melt of the Himalayan glaciers, PI, DST, Govt. of India

  2. 2018-2021: Improved description of the water-cycle in the Upper-Ganga Catchment using isotopic, geochemical data and model simulations, PI, MoES, Govt. of India

  3. 2018-2022: Design and Development of Aquatic Autonomous Observatory (Niracara Svayamsasita VedhShala - NSVS) for In situ Monitoring, Real Time Data Transmission and Web based Visualization, co-PI, Indo-U.S. Science and Technology Forum (IUSSTF)

  4. 2016-2019: An organometallic fingerprinting proxy to locate shale oil pool. Co-PI, ONGC

  5. 2016-2019: Integration of air mass trajectory models and 187Os/188Os isotope data to trace the long-range transport of atmospheric dust in India. Co-PI, SERB, Government of India.

Projects (Completed):

  1. 2015-2018: Establishing a Critical Zone Observatory (CZO) in the Ganga Basin. Focus on water balance, water quality, and hydro-meteorological information system. co-PI , MoES, Government of India.

  2. 2014-2017: Effects of climate change on cryosphere-river linkages: Insights from seasonal and inter-annual variation of glacial melt discharge in the headwaters of the Ganges River, PI , National Academy of Sciences USA,

  3. 2014-16: Isotope technique to evaluate the seasonal and inter-annual variation of glacial melt and snowmelt discharge at Gomukh and Mana, PI, MoES Scoping Project

  4. 2014-16: Development of a low particulate metal free clean laboratory to support isotope analysis of water samples, PI, Indian Institute of Technology Kanpur