Tarun Kumar Dalai

Associate Professor
Dept: Earth Sciences (DES)
E-mail: dalai [at] iiserkol.ac.in
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Research Interest:

    Application of trace elements and isotopes in study of: Continental erosion and weathering, global climate change, evolution of ocean chemistry in response to global events, accretion of extraterrestrial matter, tracing the effect anthropogenic activity through time. Cycling of isotopes, trace elements and nutrients in estuaries


Academic Background:
  1. Ph. D. (Geology), Physical Research Laboratory (M S University, Baroda), 2003
  2. M Tech. with Honors (Applied Geology), University of Roorkee, 1996
  3. B Sc. with Honors (Geology), Ravenshaw College (Utkal University), 1993


Positions:
  1. Associate Professor, IISER Kolkata ( - )
  2. Assistant Professor, IIT Kharagpur (2007 - 2010)
  3. Visiting Faculty, IIT Kharagpur (2006 - 2007)
  4. Scientist Fellow, National Institute of Oceanography, Goa (2005 - 2006)
  5. Post Doctoral Fellow, University of Hawaii, Honolulu (2004 - 2005)
  6. Post Doctoral Fellow, Ocean Research Institute, Tokyo (2002 - 2004)


Awards and Honors:
  1. JSPS Invitation Fellowship from JSPS (2009)
  2. INSA Young Scientist in Earth Sciences from Indian National Science Academy (2005)
  3. JSPS Post Doctoral Fellowship from JSPS (2002)


Selected Publications:
  1. Samanta*, Saumik; Amrutha*, K; Dalai, Tarun K and Kumar, Sanjeev. 2017. "Heavy metals in the Ganga (Hooghly) River estuary sediment column: evaluation of association, geochemical cycling and anthropogenic enrichment." Environmental Earth Sciences, 76, 140
  2. Samanta*, Saumik and Dalai, Tarun K. 2016. "Dissolved and particulate Barium in the Ganga (Hooghly) River estuary, India: Solute-particle interactions and the enhanced dissolved flux to the oceans." Geochimica et Cosmochimica Acta , 195, 1-28
  3. Samanta*, Saumik; Dalai, Tarun K.; Pattanaik, Jitendra K.; Rai, Santosh K. and Mazumadar, Aninda. 2015. "Dissolved inorganic carbon (DIC) and its d13C in the Ganga (Hooghly) River estuary, India: Evidence of DIC generation via organic carbon degradation and carbonate dissolution.." Geochimica et Cosmochimica Acta, 165, 226-248
  4. Dalai, Tarun K and Ravizza, Greg. 2010. "Investigation of an early Pleistocene marine Osmium isotope record from the Eastern Equatorial Pacific." Geochimica et Cosmochim. Acta, 74, 4332-4345
  5. Paquay, Francois; Ravizza, Gregory E; Dalai, Tarun K and Peucker-Ehrenbrink, Bernhard. 2008. "Determining chondritic impactor size from the marine osmium isotope record." SCIENCE, 320, 214-218
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