About Me

I am a groundwater scientist, working in physical and chemical properties of groundwater. I'm particularly interested to study the regional-scale processes involved in altering groundwater quality and quantity.

The NASA "Best Poster Award". Left to right: Dr. Colleen Hartman, then-Director of Science and Exploration Directorate (SED), NASA/GSFC; Late Dr. Piers Sellers, then-Deputy Director of SED, NASA/GSFC; and me.

RESEARCH INTERESTS

Development of models for dynamic soil-water chemistry
Groundwater-surface water interaction
Groundwater storage change and its controlling factors in different parts of the globe
Estimating groundwater recharge rate and its influencing factors
Influence of climate change on water resources

EDUCATION

2011 - 2017

Indian Institute of Technology (IIT) Kharagpur

Doctor of Philosophy (Ph. D.)

2007 - 2009

University of Calcutta

Master of Science (M. Sc.) in Environmental Sciences

2004 - 2007

University of Calcutta

Bachelor of Science (B. Sc.) in Chemistry (Hons.)

RESEARCH EXPERIENCES

Postdoctoral Research Associate, Environmental Sciences Division, Oak Ridge National Laboratory from
14th June 2021 to present
C. V. Raman Postdoctoral Fellow, Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science (IISc) Bangalore from 22nd August, 2019 to Present. Research topic: Biogeochemical model development for simulating water quality and groundwater storage quantification
Postdoctoral Fellow, Athabasca University, Canada from 15th August, 2017 to 31st July, 2019. Research topic: Biogeochemical model development in SWAT framework
CSIR- Shyama Prasad Mukherjee Fellow (SPMF), Department of Geology and Geophysics, IIT Kharagpur from 2nd July, 2012 to 19th June, 2017. Research topic: Groundwater recharge and storage using in situ measurements, satellite-based observations and numerical simulations
Science Collaborator at Hydrological Sciences Laboratory, Goddard Space Flight Center (GSFC), NASA between 24th August, 2015 and 23rd May, 2016. Research topic: Satellite geodesy applications in water resources, data assimilation
Research Intern, Department of Geosciences, University of Calgary from 27th February to 30th March, 2014. Research topic: Estimation of frost depth by electromagnetic induction (EMI) technique
Junior Research Fellow (CSIR) from 2nd January, 2012 to 1st July, 2012 in Department of Geology and Geophysics, IIT Kharagpur.
Project Assistant at the Civil Engineering department, Indian Institute of Technology Kharagpur from 24th September, 2009 to 14th December, 2011. Research topic: Submicron Aerosols; chemical composition, optical properties and climate impacts
Summer intern at the Centre for Oceans, Rivers, Atmosphere and Land sciences (CORAL), Indian Institute of Technology Kharagpur. Research topic: Regional warming over India

Awards and Accolades:

C. V. Raman Postdoctoral Fellowship 2019 from Indian Institute of Science (IISc), India

Postdoctoral fellowships from Oak Ridge National Laboratory (ORNL), USA and International Institute for Applied Systems Analysis (IIASA), Austria. (Offerred)

National Postdoctoral Fellowship 2017, India. (Offerred)

Won ‘Best Poster Award’ in ‘Best Science Story’ category at NASA Goddard Space Flight Center (GSFC)’s annual poster event, Annual Poster Blowout party, 2016

Recipient of Fulbright-Nehru Doctoral Research fellowship 2015-16 and worked as a Science Collaborator at Hydrological Sciences Branch, Goddard Space Flight Center (GSFC), NASA between August 24, 2015 and May 23, 2016

Recipient of the CSIR- Shyama Prasad Mukherjee Fellowship (SPMF) in Earth sciences

Recipient of the Shastri Indo-Canadian Institute (SICI) Student mobility award 2013-14 for doing an Internship in a Canadian University

UGC NET June (2012), Junior Research Fellowship in Environmental Sciences (All India Rank within top 10)

Secured an All India Rank (AIR) 4th (004) in Joint CSIR UGC NET June (2011), Junior Research Fellowship in Earth Sciences

Joint CSIR UGC NET December (2010), Lectureship in Earth Sciences (All India Rank: 64)