Scientist Profile

Dr. S. Chakraborty

Designation
: Scientist F

Phone
: +91-(0)20-25904427

Fax
: +91-(0)20-25865142

Email ID
: supriyo[at]tropmet[dot]res[dot]in

Paleoclimatology and Paleo-ocenography
Degree University Year Stream
Ph.D M.S. Univ. of Baroda 1995 Geology
M.Sc IIT-Kharagpur 1986 Geophysical Prospecting, Geophysical Signal Processing, Mathematical Geophysics
B. Sc IIT-Kharagpur 1984 Phys., Chem. Math., Geology, Geophysics

 Monsoon dynamics over the Holocene through the isotopic analysis of natural archives.

 Moisture transport processes using the isotopic analysis of rain and vapor.

 Study of ecosystem fluxes: quantification and understanding their short term variabilities using the eddy covariance technique.

 Stable isotope chemistry of atmospheric trace gases.

Award Name Awarded By Awarded For Year
MCM Scholarship IIT Kharagpur Merit cum Means 1982-86
Year Designation Institute
2018-Present Scientist F IITM, Pune
2013-2018 Scientist E Indian Institute of Tropical Meteorology, Pune
2007-2013 Scientist D Indian Institute of Tropical Meteorology, Pune
2001-2007 Scientist C Birbal Sahni Institute of Palaeobotany, Lucknow
1999-2001 Project Scientist Physical Research Laboratory, Ahmadabad
1996-1999 Postgraduate Researcher Dept. of Chemistry, Univ. of California, San Diego
1995-1996 Visiting Post-doctorate Dept. of Marine Science, Univ. of California, Santa Barbara
1993-1995 Post Doctoral Fellow Physical Research Laboratory, Ahmadabad
1987-1993 Research Scholar Physical Research Laboratory, Ahmadabad

Research Highlight


Reconstruction of soil water oxygen isotope values from tree ring cellulose and its implications for paleoclimate studies

This study shows (a) good agreement in spatial ranges between observed and estimated δsw data suggesting its suitability for a representative parameter, and (b) reconstructed δsw largely depend on soil moisture content modulated by regional evaporation regimes. Considering a growing importance of measurement of recycled soil moisture and its ensuing role in rainfall amount, a method to reconstruct soil moisture isotope as presented in this work will enable application of land hydrological models to the past.

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