Prof. Sunil Kumar Singh ( CSIR-NIO )
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Prof. Sunil Kumar Singh 

Director ( Headquarters, Goa )

DepartmentDirectors Office (DO)

Research Interests/SpecializationGeochemistry & Isotope Chemistry, Palaeoclimate & Palaeoceanography, Nutrient Cycling & Biogeochemistry

Career at CSIR

Date of Joining CSIR : 2017-06-27
Date of Joining Present Post : 2017-06-27
Date of Retirement : 2031-03-31

Contact Details
 Emailsunil.nio@csir.res.in
  Office +91 8322450201
Work Details

Work Domain Scientific

Area of WorkIndian Ocean, Ganga Plain, Himalaya

People Trained

Number of Ph.D. students supervised (Ongoing & Completed): 15
No of student(s) trained through Internship/Project Work/Dissertation :7

Grant-in-aid Projects
Ongoing Completed
2 0

 Education
Degree Specialization University Graduation Year
BSc ( Hons. ) Physics Banaras Hindu University, Varanasi 1989
Msc (Tech) Geophysics Banaras Hindu University, Varanasi 1992
Ph.D Isotope Geochemistry Physical Research Laboratory, Ahmedabad / MSU, Vadodara 1999
 Experiences
Position Organization From To
Post-Doctoral Fellowship PRL, Ahmedabad 1999 1999
Post-Doctoral Fellowship CNRS-CRPG, Nancy, France 1999 2002
Scientist-SD PRL, Ahmedabad 2002 2004
Reader PRL, Ahmedabad 2005 2009
Associate Professor PRL, Ahmedabad 2010 2014
Professor PRL, Ahmedabad 2015 2017
Director CSIR-NIO, Goa 2017 2019
 Scholarship / Awards
Scholarship/Award Award Granting Agency Year
JC Bose Fellowship SERB 2023
Indian Society of Applied Geochemists (ISAG) Indian Society of Applied Geochemists 2022
National Awards, Ocean Science & Technology The Ministry of Earth Sciences (MoES) 2021
Doctor of Engineering NIT Goa 2019
Fellow, National Academy of Sciences, India National Academy of Sciences, India 2019
Indian National Science Academy INSA 2018
Shanti Swaroop Bhatnagar Award CSIR 2016
Fellow, Indian Academy of Sciences Indian Academy of Sciences 2016
Eminent Mass spectrometry Award ISMAS 2014
National Geoscience Award in Basic Geosciences Ministry of Mines 2012

(i) Research Papers in Referred Journals

  1. Singh S.K., Trivedi J.R., Pande K., Ramesh R. and Krishnaswami S., Chemical and Sr, O, C isotopic compositions of carbonates from the Lesser Himalaya: Implications to the Sr isotope composition of the source waters of the Ganga, Ghaghara and the Indus RiversGeochim. Cosmochim. Acta, 62, 1998, 743-755.
  2. Krishnaswami S. and Singh S.K., Silicate and carbonate weathering in the drainage basins of the Ganga-Ghaghara-Indus headwaters: Contributions to major ions and Sr isotope geochemistry, Proc. Indian Acad. Sci. (Earth Planet. Sci.) 107, 1998, 283-291.
  3. Singh S.K., Trivedi J.R. and Krishnaswami S., Re-Os systematics of black shales from the Lesser Himalaya: Their chronology and role in the 187Os/186Os evolution of seawater,Geochim. Cosmochim. Acta 63, 1999,2381-2392.
  4. Trivedi J.R., Singh S.K. and Krishnaswami S., 187Re-187Os in Lesser Himalayan sediments: Measurement techniques and preliminary results, Proc. Indian Acad. Sci. (Earth Planet. Sci.)108, 1999,179-187.
  5. Dalai T. K., Singh S.K., Trivedi J. R. and Krishnaswami S., Dissolved Rhenium in the Yamuna River System and the Ganga in the Himalaya: Role of black shale weathering on the budgets of Re, Os and U in rivers and CO2 in the atmosphere,Geochim. Cosmochim. Acta. 66, 2002,29-43.
  6. Singh S.K. and France-Lanord C., Tracing the distribution of erosion in the Brahmaputra watershed from isotopic compositions of stream sediments, Earth Planet. Sci. Lett.202, 2002, 645-662.
  7. Singh S.K., Dalai T.K. and Krishnaswami S., 238U series isotopes and 232Th in carbonates and black shales from the Lesser Himalaya: Implications to dissolved uranium abundances in Ganga-Indus source waters, The Journal of Environmental Radioactivity67, 2002, 69-90.
  8. Singh S.K.,Reisberg L. and France-Lanord C., Re-Os isotope systematics in the sediments of the Brahmaputra River SystemGeochim. Cosmochim. Acta 67, 2003, 4101-4111.
  9. Garzanti E., Vezzoli G., Andò S., France-Lanord C., Singh S.K. and Foster G., Sand petrology and focused erosion in collision orogens: the Brahmaputra case, Earth Planet. Sci. Lett. 220, 2004, 157-174.
  10. Singh S.K., Sarin M.M. and France-Lanord C., Chemical Erosion in the Eastern Himalaya: Major ion composition of the Brahmaputra and δ13C of dissolved inorganic carbon,Geochim. Cosmochim. Acta, 69, 2005, 3573–3588.
  11. Krisnaswami S. and Singh S.K., Chemical weathering in the river basins of the Himalaya, India,Curr. Sci. 89, 2005, 841-849.
  12. Singh S.K., Spatial variability in erosion in the Brahmaputra basin: Causes and Impacts,Curr. Sci.90, 2006, 1272-1276.
  13. Singh S.K., Kumar A. and France-Lanord C.,Sr and 87Sr/86Sr in waters and sediments of the Brahmaputra River System: Silicateweathering, CO2 consumption and Sr flux, Chem. Geol.234, 2006, 308-320.
  14. Rai S.K. and Singh S.K., Temporal variation in Sr and 87Sr/86Sr of the Brahmaputra: Implication to annual fluxes and tracking flash flood through chemical and isotope composition, Geochemistry, Geophysics, Geosystems 8, 2007, doi:10.1029/2007GC001610.
  15. Galy V., François L., France-Lanord C., Faure P., Kudrass H., Palhol F. and Singh S.K., C4 plants decline in the Himalayan basin since the Last Glacial MaximumQuartenary Science Review, 2008, doi:10.1016/j.quascirev.2008.04.005.
  16. Singh S.K., Rai S.K. and Krishnaswami S.,Sr and Nd isotopes in river sediments from the Ganga Basin: Sediment provenance and spatial variability in physical erosion, Journal of Geophysical Research 113, 2008, F03006, doi:10.1029/2007JF000909.
  17. Rengarajan R., Singh S.K., Sarin M.M. and Krishnaswami S., Strontium isotopes and major ion chemistry in the Chambal River system, India: Implications to silicate erosion rates of the Ganga, Chem. Geol. 260, 2009, 87-101.
  18. Rahaman W., Singh S.K., Sinha R. and Tandon S.K., Climate control on erosion distribution over the Himalaya during past ~100 ka, Geology, 37, 2009, 559-562.
  19. Rahaman W. and Singh S.K., Rhenium in rivers and estuaries of India: Sources, transport and behavior, Marine Chemistry, 118, 2009, 1-10,doi:10.1016/j.marchem.2009.09.008
  20. Tripathy G.R., Goswami V., Singh S.K. and Chakrapani G.J., Temporal variations in Sr and 87Sr/86Sr of the Ganga headwaters: Estimates of dissolved Sr flux to the mainstream,Hydrol. Process., 24, 2010, 1159-1171 DOI: 10.1002/hyp.7572.
  21. Tripathy, G. R., and Singh S. K., Chemical erosion rates of river basins of the Ganga system in the Himalaya: Reanalysis based on inversion of dissolved major ions, Sr, and 87Sr/86Sr, Geochem. Geophys. Geosyst., 11, 2010, Q03013, doi:10.1029/2009GC002862.
  22. Rai S.K., Singh S.K. and Krishnaswami S., Chemical weathering in the plain and peninsular sub-basins of the Ganga: Impact on major ion chemistry and elemental fluxes,Geochimica et CosmochimicaActa 74, 2010, 2340–2355.
  23. Rahaman W., Singh S. K., Sinha R., Tandon S.K., Climate control on erosion distribution over the Himalaya during the past ~100 ka: REPLY Geology 38, 2010, e217, doi:10.1130/G31119Y.1.
  24. Rahaman W., and Singh S. K. and Raghav S., Dissolved Mo and U in rivers and estuaries of India: Implication to geochemistry of redox sensitive elements and their marine budgets, Chem. Geol. 278, 2010, 160–172,doi:10.1016/j.chemgeo.2010.09.009.
  25. Rahaman W., Singh S. K., Sinha R., Tandon S.K.,Sr, C and O isotopes in carbonate nodules from the Ganga Plain: Evidence for recent abrupt rise in dissolved 87Sr/86Sr ratios of the Ganga Chem. Geol. 285, 2011, 184-193,doi:10.1016/j.chemgeo.2011.04.003.
  26. Tripathy G. R., Singh S. K., Bhushan R. and Ramaswamy V.,Sr-Nd isotope composition of the Bay of Bengal Sediments: Impact of Climate on Erosion in the Himalaya, Geochemical Journal 45, 2011, 175-186.
  27. Singh S. P., Singh S. K., Bhushan R.,Behavior of dissolved redox sensitive elements (U, Mo and Re) in the water column of the Bay of Bengal, Marine Chemistry126 , 2011, 76-88, doi:10.1016/j.marchem.2011.04.001.
  28. Goswami, V., Singh S. K.,Bhushan R., and Rai V. K., Temporal variations in 87Sr/86Sr and εNd in sediments of the southeastern Arabian Sea: Impact of monsoon and surface water circulation, Geochem. Geophys. Geosyst.,13, 2012, Q01001, doi:10.1029/2011GC003802.
  29. GoswamiVineet, Singh S. K., Bhushan R., Dissolved redox sensitive elements, Re, U and Mo in intense denitrification zone of the Arabian Sea, Chemical Geology 291, 2012, 256–268.
  30. Rahaman, W., Singh, S.K.,Sr and 87Sr/86Sr in estuaries of western India: Impact of submarine groundwater discharge,Geochimica et CosmochimicaActa, 85, 2012, 275-288; doi: 10.1016/j.gca.2012.02.025.
  31. Lupker M., France-Lanord C., Galy, V., Lavé J., Gaillardet J., Gajurel A.P., Guilmette C., Rahman M., Singh S.K., Sinha R., Predominant floodplain over mountain weathering of Himalayan sediments (Ganga basin),Geochimica et CosmochimicaActa, 84, 2012, 410-432; doi: 10.1016/j.gca.2012.02.001
  32. van de Flierdt Tina, Pahnke K.,Amakawa H., Andersson P., Basak C., Coles B., Colin C., Crocket K., Frank M., Frank N., Goldstein S.L., Goswami V., Haley B. A., Hathorne E.C., Hemming S.R., Henderson G.M., Jeandel C., Jones K., Kreissig K., Lacan F., Lambelet M., Martin E.E., Newkirk D.R., Obata H., Pena L., Piotrowski A.M., Pradoux C., Scher H.D., Schöberg H., Singh S.K., Stichel T., Tazoe H., Vance D.Yang J., GEOTRACES intercalibration of neodymium isotopes and rare earth element concentrations in seawater and suspended particles – Part 1: reproducibility of results for the international intercomparison,Limnology and Oceanography: Methods 10, 2012, 234-251.
  33. Singh S.P., Singh S.K.,Goswami V., Bhushan R., Rai V.K., Spatial distribution of dissolved neodymium and εNd in the Bay of Bengal: Role of particulate matter and mixing of water masses,Geochimica et CosmochimicaActa, 94, 2012, 38–56, doi: http://dx.doi.org/10.1016/j.gca.2012.07.017.
  34. Rahaman W., Singh S. K., and Shukla A. D., Rhenium in Indian rivers: Sources, fluxes and contribution to oceanic budget, Geochem. Geophys. Geosyst., 13, 2012, Q08019, doi:10.1029/2012GC004083.
  35. Chatterjee J., Singh S.K., 87Sr/86Sr and major ion composition of rainwater of Ahmedabad, India: Sources of base cations, Atmospheric Environment, 63, 2012, 60-67, doi:10.1016/j.atmosenv.2012.08.060.
  36. Lagad R.A., Alamelu D., Laskar A.H., Rai V.K., Singh S.K. and Aggarwal S.K., Isotope signature study of the tea samples produced at four different regions in India, Anal. Methods, 2013, DOI: 10.1039/C3AY26142E.
  37. Tripathy G. R., Singh S. K. and Ramaswamy V. Major and trace element geochemistry of Bay of Bengal sediments: implications to provenances and their controlling factorsPalaeogeography, Palaeoclimatology, Palaeoecology.doi/10.1016/j.palaeo.2013.04.012, 2013.
  38. Singh S.P., Singh S.K. and Bhushan R., Internal cycling of dissolved barium in water column of the Bay of Bengal, Marine Chemistry 154, 12–23 2013.
  39. Tripathy G.R., SinghS.K. and Bhu H., Re-Os isotopes and major and trace element geochemistry of carbonaceous shales, Aravalli Supergroup, India, Chemical Geology 354, 93-106, 2013.
  40. Singh S.P., Singh S.K. and Bhushan R., Dissolved boron in the Tapi, Narmada and the Mandovi estuaries, the western coast of India: Evidence for conservative behavior, Estuaries and Coasts DOI 10.1007/s12237-013-9736-72013
  41. Goodbred Jr. S.L., Paolo P.M., Ullah M.S., Pate R.D., Khan S.R., Kuehl S.A., Singh S.K., and Rahaman W., Piecing together the Ganges-Brahmaputra-Meghna River delta: Use of sediment provenance to reconstruct the history and interaction of multiple fluvial systems during Holocene delta evolution, Geological Society of America Bulletin, doi:10.1130/B30965, 12014.
  42. Sudheer A.K., Rengarajan R., Deka D., Bhushan R., Singh S.K., Aslam M.Y. Diurnal and Seasonal Characteristics of Aerosol Ionic Constituents over an Urban Location in Western India: Secondary Aerosol Formation and Meteorological Influence, Aerosol and Air Quality Research14, 2014, 1701-1713; doi: 10.4209/aaqr.2013.09.0288, 2014.
  43. Rao V.P., Shynu R., Singh S.K., Naqvi S.W.A., Kessarkar P.M., Mineralogy and Sr–Nd isotopes of SPM and sediment from the Mandovi and Zuari estuaries: Influence of weathering and anthropogenic contribution, Estuarine, Coastal and Shelf Science, doi: 10.1016/j.ecss.2014.07.004, 2014.
  44. Rahaman W., Singh S.K. and Rai V.K., Molybdenum isotopes in two Indian estuaries: Mixing characteristics and input to oceansGeochim. Cosmochim. Acta,141, 2014, 407–422,doi: 10.1016/j.gca.2014.06.0272014.
  45. Goswami V., Singh S.K. and Bhushan R., Role of dust deposition and various water masses of the Arabian Sea in determining the spatial distribution of dissolved neodymium and εNd,Geochim. Cosmochim. Acta145, 2014, 30-49.
  46. Singh S.P., Singh S.K.,Bhushan R. and Rai V.K. Dissolved silicon and its isotopes in water column of the Bay of Bengal: Internal cycling versus lateral transport,Geochim. Cosmochim. Acta, 151, 2015, 172–191.
  47. Tripathy G.R. and Singh S.K.Re-Os depositional age for black shales from the Kaimur Group, Upper Vindhyan, India, Chemical Geology413, 2015, 63-72.
  48. Damodararao K., Singh S.K., Rai V.K., Ramaswamy V. and Rao P.S. Lithology, Monsoon and Sea-Surface Current Control on Provenance, Dispersal and Deposition of Sediments over the Andaman Continental Shelf, Front. Mar. Sci.3:118. doi: 10.3389/fmars.2016.00118, 2016.
  49. Sudheer A. K., Aslam M. Y., UpadhyayM.,RengarajanR., BhushanR., RathoreJ., Singh S. K., Kumar S.Carbonaceous Aerosol over semi-arid region of western India: Heterogeneity in sources and characteristics,Atmospheric Research 178, 268-278, 2016.
  50. Lagad R. A., Singh S. K. and Rai V. K.Rare Earth Elements and 87Sr/86Sr Isotopic Characterisation of Indian Basmati Rice for its Geographical Authenticity,Food Chemistry217, 254-265.
  51. Sharma A., Kumar K., Laskar A., Singh S. K. and Mehta P., Oxygen, deuterium, and strontium isotope characteristics of the Indus River water system, Geomorphology, http://dx.doi.org/10.1016/j.geomorph.2016.12.014, 2016.
  52. Subha Anand S., Rengarajan R., Sarma V. V. S. S., Sudheer A. K., Bhushan R., and Singh S. K., Spatial variability of upper ocean POCexport in the Bay of Bengal and theIndian Ocean determined using particle-reactive 234Th, J. Geophys. Res. Oceans, 122, doi:10.1002/2016JC012639, 2017.
  53. Khonde N. , Singh S. K. , Maurya D. M. , Rai V. K. , Chamyal L. S. & Giosan L. Tracing the Vedic Saraswati River in the Great Rann of Kachchh, Scientific Reports 7, doi:10.1038/s41598-017-05745-8, 2017.
  54. Rashid S. A., Ahmad S., Singh S. K., Absar N., Elemental and Sr-Nd isotopic geochemistry of Mesoproterozoic sedimentary successions from NE Lesser Himalaya, northern India: Implications for Proterozoic climate and tectonics, Journal of Asian Earth Sciences 163, 235-248.
  55. R Schlitzer, RF Anderson, EM Dodas, M Lohan, W Geibert, A Tagliabue, ..., Singh S. K., …,The GEOTRACES intermediate data product 2017, Chemical Geology 493, 210-223
  56. Chinni V., Singh S. K., Bhushan R., Rengarajan R. and Sarma V.V.S.S., Spatial variability in dissolved iron concentrations in the marginal and open waters of the Indian Ocean, Marine Chemistry 208, 11-28 2019, https://doi.org/10.1016/j.marchem.2018.11.007.
  57. Kesarwani M., Sarangi S., Srinivasan R., George B. G., Singh S. K., Bhattacharya S. and Vasudev V. N., Origin of granodiorite hosted Neoarchaean orogenic gold ore deposits: Stable isotopic and geochemical constraints with example from the Dharwar craton, southern India, Ore Geology Reviews 107, 754-779, 2019.

(ii) Books edited and chapters in books

  1. Krishnaswami S., Singh S.K. and Dalai T., Silicate and Carbonate Weathering in the Himalaya: A Synthesis, in Proceedings of INSA Symposium “Ocean Science, Trends and Future Directions” (Ed. B.L.K. Somayajulu), Akademia Books International, New Delhi, 1998, 23-51
  2. Singh S.K. Erosion and Weathering in the Brahmaputra River System, in Large Rivers: Geomorphology and management (Ed. Avijit Gupta), John Wiley & Sons, Ltd, UK, 2007, 373-393
  3. Tripathy G.R., Singh S.K. and Krishnaswami S.,Sr and Nd Isotopes as Tracers of Chemical and Physical Erosion, in Handbook of Environmental Isotope Geochemistry, Advances in Isotope Geochemistry (Ed. Baskaran M.) DOI 10.1007/978-3-642-10637-8_26, © Springer- Verlag Berlin Heidelberg, 2011.
  4. Singh S. K., The Brahmaputra River, in The Indian Rivers: Scientific and Socio-economic Aspects, 93-104, 2018, DOI 10.1007/978-981-10-2984-4

(iii)Reports

  1. Krishnaswami S. and Singh S.K., Erosion in River Basins of India, in Glimpses of Geosciences Research in India, the Indian Report to IUGS (2004-2008), Indian National Science Academy, 2008, 32-40.
  2. Hood RR, Bange HW, Beal L, Beckley LE, Burkill P, Cowie GL, D’Adamo N, Ganssen G, Hendon H, Hermes J, Honda M, McPhaden M, Roberts M, Singh S, Urban E, Yu W; The Second International Indian Ocean Expedition (IIOE-2): Science Plan; SCOR, 2015, 149 pp
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