About
His research interests expanded in the academic ambience of IISc to include isotope hydrology, carbon sequestration, global circulation model, reconstruction of seasonality, exploring quaternary records using high-resolution archives like gastropods, mollusc, rice grains, and speleothems.
Links
Research Interests
Education
PhD, 2001
Physical Research Laboratory
Masters in Applied Geology, 1994
Indian Institute of Technology, Roorkee
BSc Geology, 1991
Hansraj College, Delhi University
Courses
- Thermo Scientific IRMS Delta V with dual inlet and continious flow mode Installed 2013
- Thermo Scientific IRMS MAT 253 with Multi collector Installed 2008 (Cutting Edge Research grant, MHRD XI Plan)
- Thermo Scientific mid-infrared laser based, isotope ratio infrared spectrometer
- Biogeochemistry
- Introduction to Earth System Science
Recent Publications
- Laser spectroscopy-based oxygen and clumped isotope acid fractionation factors using two different carbonate digestion techniques — Royal Society Open Science (2026)
- Relic surface water (clay-pore water) input triggers arsenic release into the shallow groundwater of Bengal aquifers — Journal of Earth System Science (2022)
- Temperature Estimates of Lower Miocene (Burdigalian) Coastal Water of Southern India Using a Revised Otolith “Clumped” Isotope Paleothermometer — Geochemistry, Geophysics, Geosystems (2021)
- Convection, Terrestrial Recycling and Oceanic Moisture Regulate the Isotopic Composition of Precipitation at Srinagar, Kashmir — Journal of Geophysical Research: Atmospheres (2021)
- Ab initio quantum chemical studies of isotopic fractionation during acid digestion reaction of dolomite for clumped isotope application — Rapid Communications in Mass Spectrometry (2020)