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(Dr. rer. nat.-habil.)

Associate Professor

Centre for Oceans, Rivers, Atmosphere and Land Sciences (CORAL),
Indian Institute of Technology Kharagpur

Kharagpur, India - 721302


(Mobile) +91 94754 72847

(office)+91 - 3222 - 281994

(residence)+91 - 3222 - 281995 

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Numerical modelling of Atmosphere, Ocean, Chemistry and Climate
Atmospheric Chemistry and Air Pollution/Air Quality Monitoring and Modelling
Atmospheric and Oceanic Remote sensing

Physical Oceanography



April 2015 onwards

Assistant Professor, IIT Kharagpur, India.

August 2012 – March 2015

CNRS Scientist (Permanent), LATMOS/CNRS, Paris, France.

October 2007 – July 2012

CNRS Research Scientist, LATMOS/CNRS, Paris, France.

October 2005–September 2007

CNRS post-doctoral fellow, LMD/CNRS, Paris, France.

April 2005 – September 2005

Research Associate, University of Bremen, Bremen, Germany.

November 2001 – March 2005

Ph.D. student, University of Bremen, Bremen, Germany.

May 2001 – July 2001

Research Assistant, Cochin University of Science and Technology (CUSAT), India.



Habilitation (Equivalent to D. Sc.) in Physics/ Atmospheric Physics, March 2013, University of Pierre and Marie Curie Paris 6, Paris, France.
Dr. rer. nat. in Physics/ Atmospheric Physics, April 2005 (Dec. 2001 – Mar. 2005), International Postgraduate Programme in Physics (PIP), University of Bremen, Bremen, Germany.
M. Tech. in Atmospheric Science, 2000 October – 2001 May, Cochin University of Science and Technology, Kochi, India  (Discontinued to pursue Ph.D.).

M. Sc. in Physical Oceanography, 2000, Cochin University of Science and Technology, Kochi, India.

Language: Malayalam, Tamil, English, German, and French.

Programming: Fortran, Matlab and IDL.


Bharat Vikas Award in Climate Science, Institute of Self Reliance, Bhubaneswar, 2019.

NASA Post-doctoral fellowship: JPL/NASA, Caltech, California, USA, 2007 (declined).
CNRS Post-doctoral fellowship: National Centre for Scientific Research (CNRS) France, 2005—2007. A fellowship for non-French citizens for their first post- doctoral study.

PhD grant: Graduate School - Physics International Postgraduate Programme, Department of Physics, University of Bremen, Bremen, Germany, 2001.

Ph.D. scholarship/selection: International Max-Planck Research School for Earth System Modelling (IMPRS), Hamburg, Germany, 2001.

Selection for M. Tech in Atmospheric Science and appeared for a semester, Cochin University of Science and Technology, Kochi, India, 2000—2001.

CSIR-Junior Research Fellowship: Council of Scientific and Industrial Research (CSIR), University Grants Commission (UGC), India, 2001.

UGC-National Eligibility Test Lectureship: Awarded by CSIR—UGC, India, 2001.

Jawaharlal Nehru Foundation award for outstanding university student, Jawaharlal Nehru Foundation, New Delhi, 2001.

Prof. C. V. Kurian Endowment prize for the First Rank in M. Sc. Physical Oceanography, 2000.

Krishnankutty Nair Memorial prize and Edapatta Panchayath Award: for the second place in School for the Secondary School Leaving Certificate examination, A. S.M. High SchoolVelliyanchery, Malappuram, India, 1992.

Peer-recognition: Reviewer of several atmospheric and environmental science journals.


Numerical Modelling Experience

Working experience with the Chemistry Climate Model (CCM) LMDz-repro, REPROBUS Chemical Transport Model (CTM), MIMOSA-CHIM CTM, BREMEN CTM and MIMOSA dynamical model, for several studies for the interpretation of atmospheric chemistry, dynamics, and climate processes.
First simulation and validation (of stratospheric ozone and N2O profiles) of the Bremen CTM   (a part of the Ph.D. work).
Retrieval/Inversion of stratospheric trace gases from sub-millimetre wave measurements.

Expertise  With  Specific Scientific Instruments

The airborne sub-millimetre radiometer (ASUR): A passive heterodyne microwave sensor for stratospheric and mesospheric sounding, University of Bremen, Bremen, Germany (2001—2005).
The Automatic Sediment Analyser: An instrument to analyse grain size of sediments. Calibration and validation of the instrument were performed as a part of my post-graduate (M. Sc.) project, Department of Physical Oceanography, CUSAT, Kochi (1998—2000).

Field Campaign Experience

SCIAVALUE (2002--2003): Operated ASUR on-board the Falcon-20 research aircraft to measure stratospheric and mesospheric trace gases (during September 2002 and February—March 2003).
EuPLEx (2003): Operated ASUR on-board the Falcon-20 research aircraft to measure stratospheric and mesospheric trace gases (polar vortex measurements in January 2003). 
OFFSHORE and BACKWATER cruise for sediment sampling to calibrate and validate the Automatic Sediment Analyser
(a part of the M. Sc. project).
Field Experience

Professional Memberships

European Geophysical Union / EGU
Ocean Society of India / OSI
Indian Society of Geomatics /ISG

Indian Meteorological Society /IMS, 

Association of Polar Early Career Scientists /APECS


Personal Details

Family Name
Languages Known
Malayalam, English, Tamil, German and French
Familiar OSs
Mac-OS, Unix/Linux, and Windows
Programming Experience
FORTRAN, IDL and Matlab
Graphics Tools
GrADS and XmGRACE on Linux, and Origin on Windows

Professional References

Dr. Justus Notholt
Department of Physics, University of Bremen, Germany
Dr. Harry Kuellmann
Department of Physics, University of Bremen, Germany
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