Singapore Government
Dr Rajesh KUMAR

Dr Rajesh KUMAR

Senior Research Scientist
Department of Weather Research
Weather Modelling Development Branch


Dr Rajesh KUMAR

Dr Rajesh Kumar’s research work at CCRS focuses on atmosphere-ocean-wave interactions and modelling. He is currently focusing on the development of a high resolution regional coupled atmosphere-ocean-wave model (cSINGV) for Singapore region. He is also responsible for the operational ocean/wave forecasting system for MSS.


    • 2005-2009
    • PhD in Ocean Engineering and Naval Architecture, Indian Institute of Technology, Kharagpur, India
    • 2002-2004
    • MSc in Meteorology, Cochin University of Science and Technology (CUSAT), India
    • 1998-2001
    • BSc in Physics, Kerala University, India

Working Experience

    • Aug 2019-present
    • Senior Research Scientist, Centre for Climate Research Singapore, MSS
    • Aug 2016–Jul 2019
    • Research Scientist, Centre for global Sea Level Change (CSLC), New York University, Abu Dhabi, UAE
    • Aug 2014–Jul 2016
    • Postdoctoral Researcher, Centre for Global Sea Level Change (CSLC), New York University, Abu Dhabi, UAE
    • Nov 2012–Jun 2014
    • NSERC Postdoctoral Fellow, Environment Canada, Montreal, Canada
    • Feb 2012–Oct 2012
    • Project Scientist, NCSCM, Ministry of Environment and Forestry, Govt. of India, Chennai, India
    • Nov 2009–Dec 2011
    • Postdoctoral Researcher, Department of Earth Science, Uppsala University, Sweden

Research Interests

  • Air-Sea-Ice interaction
  • Coupled atmosphere-ocean-wave modelling
  • Regional and global wave modelling
  • Wave climate studies

Rajesh Kumar, Junde Li, Kate Hedstrom, Alexander V. Babanin, David M. Holland, Petra Heil, Youmin Tang, 2021.

Intercomparison of Arctic sea ice simulation in ROMS-CICE and ROMS-Budgell.

Polar Science, 29, 100716, doi:10.1016/j.polar.2021.100716.

Thompson, B., Sanchez, C., Heng, B. C. P., Kumar, R., Liu, J., Huang, X.-Y., and Tkalich, P., 2021.

Development of a MetUM (v 11.1) and NEMO (v3.6) coupled operational forecast model for the Maritime Continent – Part 1: Evaluation of ocean forecasts.

Geosci. Model Dev., 14, 1081-1100, doi:10.5194/gmd-14-1081-2021.

Rajesh Kumar, R., Sandeepan B.S., and Holland, D.M., 2020.

Impact of different sea surface roughness on surface gravity waves using a coupled atmosphere–wave model: a case of Hurricane Isaac (2012).

Ocean Dynamics, doi:10.1007/s10236-019-01327-6.

Eayrs, C., D. Holland, D. Francis, R. Kumar, T. Wagner, and X. Li, 2019:

Antarctic seasonal sea ice melts faster than it grows.

EOS, 100, doi:10.1029/2019EO131337.

Clare Eayrs, David Holland, Diana Francis, Till Wagner, Rajesh Kumar and Xichen Li, 2019:

Understanding the seasonal cycle of Antarctic sea ice extent in the context of longer-term variability.

Reviews of Geophysics, doi:10.1029/2018RG000631.

A. Rutgersson, E. Nilsson and R. Kumar, 2012:

Introducing surface waves in a coupled wave-atmosphere regional climate model: Impact on atmospheric mixing length.

Journal of Geophysical Research, Vol. 117, C00J15, 11 pp, doi:10.1029/2012JC007940.

A. Rutgersson, O. Saetra, A. Semedo, B. Carlsson and Rajesh Kumar, 2010:

Impact of surface waves in a Regional Climate Model.

Meteorologische Zeitschrift, 19(3), 247-257.

B. Prasad Kumar, R. Rajesh Kumar, Rahul Barman and M. Ravichandran, 2010:

A new approach for deriving temperature and salinity fields in the Indian ocean using artificial neural networks.

Journal of Marine Science and Technology, 15, 160-175, doi:10,1007/s00773-009-0081-2.

R. Rajesh Kumar, B. Prasad Kumar, and D. Bala Subrahamanyam, 2009:

Parameterization of Rain induced surface roughness and its validation study using a third generation wave model.

Ocean Science Journal, 44(3), 125-143, doi:10.1007/s12601-009-0012-5.

R. Rajesh Kumar, B. Prasad Kumar, A.N.V. Satyanarayana, D. BalaSubrahamanyam, A.D. Rao and S.K. Dube, 2009:

Parameterization of sea-surface drag under varying sea state and its dependence on wave age.

Natural Hazards, 49, 187-197, doi:10.1007/s11069-008-9309-4.

R. Rajesh Kumar, B. Prasad Kumar, A.N.V. Satyanarayana, D. Bala Subrahamanyam, A.D. Rao and S.K. Dube, 2009:

Effect of varied atmospheric stability on sea surface drag in shallow seas and its impact on wind-wave growth.

Natural Hazards, 49, 213-224, doi:10.1007/s11069-008-9279-6.

B. Prasad Kumar, R. Rajesh Kumar, S.K. Dube, A.D. Rao, Tad Murty, A.Gangopadhyay and A. Chaudhuri, 2008:

Tsunami early warning system – an Indian ocean perspective.

Journal of Earthquake and Tsunami, Vol.2, No. 3, 197-226.

R. Rajesh Kumar, Aseem Raturi, B. Prasad Kumar, Ashoke Bhar, D. Bala Subrahamanyam and Felix Jose, 2008:

Parameterization of wave attenuation in muddy beds and implication on coastal structures.

Coastal Engineering Journal, 50(3), 309-324.

B. Prasad Kumar, R. Rajesh Kumar, S. K. Dube, Tad Murty, A. Gangopadhyay, A, Chaudhuri, A.D., Rao, 2006:

Tsunami travel time computation and skill assessment for the 26 December 2004 event in the Indian Ocean.

Coastal Engineering Journal, 48(2), 147-166.

Dr Kumar’s full publication record can be accessed here.