Sunil Kumar Singh

Present Position : Professor
Telephone: +91-79-2631-4307

Present Research Interests

These studies are based on precise isotopic and elemental measurements in environmental and geological samples using sophisticated instruments like Thermal Ionisation Mass Spectrometer (TIMS), MC-ICP-MS, QICP-MS, ICP-AES, Coulometer, CN analyser etc.

Awards & Honours

Graduate Students

Name Year Thesis Title Presently Working At
Dr. Waliur Rahaman 2010 Chemical and Isotopic Studies of Estuaries and the Ganga Basin Sediments National Centre for Antarctic and Ocean Research,(NCAOR) Goa
Dr. Gyana Ranjan Tripathy 2011 Isotope Geochemistry of Black Shales and Recent Marine Sediments Indian Institute of Scienice Education and Research (IISER), Pune
Dr. Vineet Goswami 2012 Spatial and temporal variations of Os, Nd, Sr isotopes and redox sensitive elements in waters and sediments of the Arabian Sea and their implications Colorado State University, Fort Collins, United States
Dr. Satinder Pal Singh 2012 U, Re, Mo and isotopic studies of Boron in water and sediments of the northern Indian Ocean: Implications to Contemporary and Paleo-Biogeochemical processes Indian Institute of Science Education and Research (IISER), Bhopal
Dr. Jayati Chatterjee 2013 Isotopic and Geochemical Studies of Saline-Alkaline soils, Water and Sediments of the Ganga river system: Implications to Erosion and Carbon cycle National Geophysical Research Institute (NGRI), Hyderabad
Mr. A. K. Sudheer Provinance study of aerosol over Indian Oean and continent
Mr. Venkatesh Chinni Distributions of dissolved Iron and Zinc in the Indian Ocean: Implications to their sources, sinks and internal cycling
Mr. Namandeep Singh Biogeochemistry of trace elements and isotopes in the Indian Ocean

Postdoctoral Fellows

Past Present

Selected Publications

  1. Lagad, R. A., Singh, S. K., Rai, V. K., Rare earth elements and 87 Sr/86 Sr isotopic characterization of Indian Basmati rice as potential tool for its geographical authenticity, Food chemistry, 217, 254-265. (2017)
  2. Anupam, S.,Kumar, K., Laskar, A., Singh, S.K., Mehta, P.,Oxygen, deuterium, and strontium isotope characteristics of the Indus River water system, Geomorphology, (2016)
  3. Sudheer, A.K., Aslam, M.Y., Upadhyay, M., Rengarajan, R., Bhushan, R., Rathore, J.S., 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)
  4. Damodararao, K., Singh, S. K., Rai, V. K., Ramaswamy, V., Rao, P.S., Lithology, Monsoon and Sea-Surface Current Control on Provenance, Dispersal and Deposition of Sediments over the Andaman Continental Shelf, Frontiers in Marine Science, 3, 118. (2016)
  5. 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, 172–191. (2015)
  6. Goswami V., Singh S.K. and Bhushan R., Impact of water mass mixing and dust deposition on Nd concentration and eNd of the Arabian Sea water column, Geochim. Cosmochim. Acta, 145, 30-49. (2014)
  7. Rahaman W., Singh S.K. and Rai V.K., Molybdenum isotopes in two Indian estuaries: Mixing characteristics and input to oceans, Geochim. Cosmochim. Acta, 141, 407–422, doi: 10.1016/j.gca.2014.06.0272014. (2014)
  8. 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)
  9. 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 Research , 14, 1701-1713; doi:10.4209/aaqr.2013.09.0288. (2014)
  10. 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. (2014)
  11. 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 factors, Palaeogeography, Palaeoclimatology, Palaeoecology, 397, 20–30. (2014)
  12. 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. (2013)
  13. Tripathy G.R., Singh S.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)
  14. 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)
  15. 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, DOI: 10.1039/C3AY26142E. (2013)
  16. Rahaman W., Singh S. K., and Shukla A. D., Rhenium in Indian rivers: Sources, fluxes and contribution to oceanic budget, Geochem. Geophys. Geosyst., 13, Q08019, doi:10.1029/2012GC004083. (2012)
  17. Chatterjee J., Singh S.K., 87MSr/86Sr and major ion composition of rainwater of Ahmedabad, India: Sources of base cations, Atmospheric Environment, 63, 60-67, doi:10.1016/j.atmosenv.2012.08.060. (2012)
  18. Rahaman, W., Singh S. K., and Shukla A. D., Rhenium in Indian rivers: Sources, fluxes and contribution to oceanic budget, Geochem. Geophys. Geosyst., 13, Q08019, doi:10.1029/2012GC004083. (2012)
  19. Singh, S.P., Singh, S.K., Goswami, V., Bhushan, R., Rai, V.K., Spatial distribution of dissolved neodymium and eNd in the Bay of Bengal: Role of particulate matter and mixing of water masses, Geochimica et Cosmochimica Acta, doi: (2012)
  20. van de Flierdt Tina, Pahnke Katharina Amakawa Hiroshi, Andersson Per, Basak Chandranath, Coles Barry, Colin Christophe, Crocket Kirsty, Frank Martin, Frank Norbert, Goldstein Steven L., Goswami Vineet, Haley Brian A., Hathorne Ed C., Hemming Sidney R., Henderson Gideon M., Jeandel Catherine, Jones Kevin, Kreissig Katharina, Lacan Francois, Lambelet Myriam, Martin Ellen E., Newkirk Derrick R., Obata Haijme, Pena Leopoldo, Piotrowski Alexander M., Pradoux Catherine, Scher Howie D., Schöberg Hans, Singh Sunil Kumar, Stichel Torben, Tazoe Hirofumi, Vance Derek, Yang Jingjing, 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, 234-251. (2012)
  21. 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 Cosmochimica Acta, 84, 410-432; doi: 10.1016/j.gca.2012.02.001. (2012)
  22. Rahaman, W., Singh, S.K., Sr and 87MSr/86Sr in estuaries of western India: Impact of submarine groundwater discharge, Geochimica et Cosmochimica Acta, 85, 275-288; doi: 10.1016/j.gca.2012.02.025. (2012)
  23. Goswami V., Singh S. K., Bhushan R., Dissolved redox sensitive elements, Re, U and Mo in intense denitrification zone of the Arabian Sea, Chemical Geology, 291, 256–268. (2012)
  24. Goswami, V., Singh S. K., Bhushan R., and Rai V. K., Temporal variations in 87Sr/86Sr and ?Nd in sediments of the southeastern Arabian Sea: Impact of monsoon and surface water circulation, Geochem. Geophys. Geosyst., 13, Q01001, doi:10.1029/2011GC003802. (2012)
  25. 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 Chemistry, doi:10.1016/j.marchem.2011.04.001. (2011)
  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, 175-186. (2011)
  27. 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.,,doi:10.1016/j.chemgeo.2011.04.003. (2011)
  28. 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)
  29. 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, 160–172, doi:10.1016/j.chemgeo.2010.09.009. (2010)
  30. 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 Cosmochimica Acta, 74, 2340–2355. (2010)
  31. 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, e217, doi:10.1130/G31119Y.1. (2010)
  32. 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, e217, doi:10.1130/G31119Y.1. (2010)
  33. 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., DOI: 10.1002/hyp.7572. (2010)
  34. 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, Q03013, doi:10.1029/2009GC002862. (2010)
  35. 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, 559-562. (2009)
  36. Rahaman W. and Singh S.K., Rhenium in rivers and estuaries of India: Sources, transport and behaviour, Marine Chemistry, doi:10.1016/j.marchem.2009.09.008 (2009)
  37. 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, 87-101. (2009)
  38. 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, F03006, doi:10.1029/2007JF000909.(2008)
  39. Galy V., Francois 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 Maximum, Quartenary Science Review, doi:10.1016/j.quascirev.2008.04.005 (2008)
  40. 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, Q08008, doi:10.1029/2007GC001610 (2007)
  41. Singh S.K., Erosion and Weathering in the Brahmaputra River System, in LARGE RIVERS (Ed. Avijit Gupta), pp. 373-393, John Wiley Publication, UK. (2007)
  42. Singh S.K., Kumar A.and France-Lanord C., Sr and 87Sr/86Sr in waters and sediments of the Brahmaputra River System: Silicate weathering, CO2 consumption and Sr flux, Chem. Geol., 234, 308-320. (2007)
  43. Singh S.K., Spatial variability in erosion in the Brahmaputra basin: Causes and Impacts, Curr. Sci. , 90, 1272-1276 (2006)
  44. Krisnaswami S. and Singh S.K., Chemical weathering in the river basins of the Himalaya, India, Curr.Sci., 89, 841-849. (2005)
  45. Singh S.K., Sarin M.M. and France-Lanord C. (2005) Chemical Erosion in the Eastern Himalaya: Major ion composition of the Brahmaputra and δ13C of dissolved inorganic carbon, Geochim. Cosmochim. Acta, 69,3573–3588. (2005)
  46. Garzanti E.,Vezzoli G., Ando 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, 157-174. (2004)
  47. Singh S.K., Reisberg L. and France -Lanord C., Re-Os isotope systematics in the sediments of the Brahmaputra River System, Geochim.Cosmochim. Acta, 67, 4101-4111. (2003)
  48. Singh S.K., Dalai T.K. and Krishnaswami S., U-Th series isotopes in carbonates and black shales from the Lesser Himalaya: Implications to dissolved uranium abundances in Ganga-Indus source waters, The Journal of Environmental Radioactivity, 67, 69-90. (2002)
  49. 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, 645-662. (2002)
  50. 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, 29-43. (2002)
  51. 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, 179-187. (1999)
  52. 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, 2381-2392. (1999)
  53. 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, 283-291. (1998)
  54. 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 Rivers, Geochim. Cosmochim. Acta., 62, 743-75. (1998)