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Prof. A. Chandrasekar
Outstanding Professor

  • R.217,D2

Department
Earth and Space Sciences

Research interests

Numerical modeling of the atmosphere, data assimilation, mesoscale modeling, land-atmosphere interaction.

Education

  • Ph.D. from IISc, Bangalore.
  • M.Sc. from Department of Marine Sciences, Cochin University.
  • B.Sc. from University of Madras.

Past Affliation

  • Head, Center for Oceans, Rivers, Atmosphere and Land Sciences, IIT Kharagpur (July 2008 – June 2009).
  • Professor in Department of Physics & Meteorology. IIT-Kharagpur (Aug 2004 – 2009).
  • Associate Professor in Department of Physics & Meteorology, IIT-Kharagpur (May 1999 – Aug 2004).
  • Assistant Professor in Department of Physics & Meteorology, IIT-Kharagpur (Jan 1996 – May 1999).
  • Lecturer in Department. of Physics & Meteorology, IIT-Kharagpur (July 1988 – Dec 1995).
  • SRF and JRF, IISc, Bangalore (1984 – 1987).

Member of Professional Bodies

  • Member: The National Academy of Sciences, India.
  • Life Member: India Meteorological Society.
  • Life Member: Indian Society for Theoretical and Applied Mechanics.

Member, Editorial Board

  • Disaster Advances Journal.
  • Open Journal of Marine Science

Member, Editorial Advisory Committee : The Open Atmospheric Science Journal

  • Introduction to Earth, Atmosphere and Ocean Sciences (ES322) [shared with Dr VJ Rajesh]
  • Numerical Weather Prediction (ESE661 and ESE461)
  • Physical and Dynamical Meteorology (ESE611 and ESE411)
  • Physical and Dynamical Oceanography (ESE612 and ESE412)

Ph.D. Guidance

  • Dr A Sarkar (1997) Effects of an urban heat island and its growth on the local  weather and air quality over Indian region .
  • Dr S. Mazumdar (1999) A Study of the various Initialization Schemes as applied to a Limited-Area Shallow Water Model over a Tropical Region.
  • Dr V.F. Xavier (2008) The effect of assimilation of satellite and conventional meteorological data on the prediction of tropical meteorological system over India using a mesoscale model·          .
  • Dr S. Sandeep (2009) Mesoscale Modeling of recent Tropical Cyclones that formed over India: Effects of Synthetic Vortex Initialization.
  • Dr Vinodkumar (2009) Effects of Surface Data Assimilation in modeling various Monsoonal Mesoscale Disturbances over India.
  • Dr M. Govindan Kutty (2010) The Impact of Three-Dimensional Variational Satellite Data Assimilation in simulating various Monsoonal Disturbances over India using the WRF Model.
  • Dr P.K. Sinha (2013) Studies on Three-dimensional Variational Data Assimilation of wind observations in simulating meteorological systems over the Indian region
  • Dr Dhanya (2016) Improved simulation of meteorological systems over India: Impact of assimilating satellite observations using 3DVar and EnKF.
  • Dr Deepak Gopalakrishnan (2019) Regional 4DVar Assimilation Studies on Weather Systems Over India Using the WRF Model.
  • Dr Kavita Patnaik (2024) (Jointly guided with Dr Amit Kesarkar of NARL, DoS) Hybrid Monte Carlo-Gear's Solver to Retrieve the Vertical Profiles of Minor Atmospheric Constituents for Cloud Microphysical Modelling.
  • Dr Vibin Jose (2024) Modelling and observational studies of soil moisture over the Indian region
  • Dr Sonali Maurya (2024) (jointly guided with Dr K V Sambhu Namboodiri pf VSSC, ISRO) Observational Studies on Turbulence in Atmospheric Surface Layer.
  • Dr Debojit Sarkar (2024) (jointly guided with Dr Amit Kesarkar of NARL DoS) Role of collision-coalescence mechanisms in the occurrence of cloudburst event
  • Mr Shrikar Kalyanam (ongoing since February 2021) Atmospheric Modeling Studies.
  • Mr Jiteshwar Dadich ( ongoing since September 2020 jointly with Dr Amit Kesarkar of NARL, DoS) Development and study of a soil-air interface solver for modeling evaporation from soil.

Publication of Books:

  • Chandrasekar, A.and M. Govindankutty, 2013. “Studies on the impacts of 3DVAR assimilation of satellite observations on the simulation of monsoon depressions over India“, Springer;ISBN 978-3-642-35087-0 ( pp 643-705) in “Data Assimilation for Atmospheric, Oceanic and Hydrologic Applications (Vol. II)” eds. by Seon Ki Park and Liang Xu
  • A book titled“Basics of Atmospheric Science” (2010)byA. Chandrasekar(446 pages and costing Rs 375) has been published byPHI Learning Private Limited, New Delhi.
    Click here to view the Cover Page, Foreword, and Contents of the book.
  • A book titled“Numerical methods for Atmospheric and Oceanic Sciences” (2022) by A. Chandrasekar (519 pages and costing Rs 1500) has been published by Cambridge University Press.
    Click here to view the Front Page, Back Page, First Page, Foreword, Preface and Contents of the book.
  • The second edition of the book titled "Basics of Atmopsheric Science" (2022) by A. Chandrasekar(472 pages and costing Rs 895) has been published by PHI Learning Private Limited, New Delhi.
    Click here to view the Cover Page of the second edition of the above book.

Projects:

  1. ‘Impact of assimilating high temporal resolution data from INSAT-3D in high-resolution mesoscale model for prediction of severe weather systems over Bay of Bengal and neighbouring land region,’- Funded bySAC, ISRO
  2. ‘Assimilation of Oceansat-2 scatterometer in mesoscale model’- Funded bySAC, ISRO
  3. Impact of assimilating SAPHIR and GPS-ROS data from MEGHA TROPIQUES in high resolution mesoscale model for prediction of severe weather systems over IndiaFunded byIIST
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