Dr. Sunanda Narayanan

Since February 2025: Postdoctoral Research Scientist at the University of Hamburg, Hamburg, Project:CAP7.

January 2019 - February 2025: Doctor of Philosophy at the Indian Institute of Technology Kharagpur, India. Thesis: The impact of atmospheric and oceanic processes on the net primary productivity of the North Indian Ocean.

September 2016 - January 2019: Project Assistant at the Indian Institute of Technology Kharagpur, India.

September 2015 - May 2016: Research Fellow at CSIR-National Aerospace Laboratory, Bengaluru, India.

July 2013 - July 2015: Master of Science in Meteorology at the Cochin University of Science and Technology, India.

July 2010 - March 2013: Bachelor of Science in Physics, University of Calicut, India.

Coupled atmosphere-ocean biogeochemical modelling
Marine biogeochemical cycling
Nitrogen cycle
Carbon cycle
Model development

Peter, R., Kuttippurath, J. Sunanda, N. and Chakraborty, K. (2025). Effect of thermal and non-thermal processes on the variability of ocean surface pCO2 and buffering capacity in the North Indian Ocean. Progress in Oceanography, accepted

Akhila, R.S., Kuttippurath, J., Chakraborty, A., Sunanda, N. and Peter, R. (2025) Rapid Intensification of the Super Cyclone Amphan: environmental drivers and its future projections. Tropical Cyclone Research and Review, accepted

Sunanda, N., Kuttippurath, J., Peter, R., & Chakraborty, A. (2024). An atmosphere-ocean coupled model for simulating the physical and biogeochemical state of north Indian Ocean: Customisation and validation. Ocean Modelling, 191, 102419. doi : https://doi.org/10.1016/j.ocemod.2024.102419

Krishnaja, P. B., Akhila, R. S., Kuttippurath, J., & Sunanda, N. (2024). Tropical Cyclone-driven rainfall in the northeast Indian Ocean and adjoining land regions during the period 2000–2020. Journal of Hydrology, 130610. doi : https://doi.org/10.1016/j.jhydrol.2024.130610

Sunanda, N., Kuttippurath, J., Chakraborty, A., & Peter, R. (2023). Stressors of primaryproductivity in the north Indian Ocean using satellite, reanalysis and CMIP6 data. Progress in Oceanography, 103164. doi : https://doi.org/10.1016/j.pocean.2023.103164

Kuttippurath, J., Maishal, S., Anjaneyan, P., Sunanda, N., & Chakraborty, K. (2023). Recent changes in atmospheric input and primary productivity in the north Indian Ocean. Heliyon, 9(7).

Peter, R., Kuttippurath, J., Chakraborty, K. and Sunanda, N. (2023). A high concentration CO$_2$ pool over the Indo-Pacific Warm Pool. Scientific Reports, 13(1), 4314. doi: https://doi.org/10.1038/s41598-023-31468-0

Kuttippurath, J., Akhila, R.S., Martin, M.V., Girishkumar, M.S., Mohapatra, M., Sarojini, B.B., Mogensen, K., Sunanda, N. and Chakraborty, A. (2022). Tropical cyclone-induced cold wakes in the northeast Indian Ocean. Environmental Science: Atmospheres. doi : https://doi.org/10.1039/D1EA00066G

Sunanda, N., Kuttippurath, J., Peter, R., Chakraborty, K. and Chakraborty, A. (2021) Long-Term Trends and Impact of SARS-CoV-2 COVID-19 Lockdown on the Primary Productivity of the North Indian Ocean. Front. Mar. Sci. 8:669415. doi: https://doi.org/10.3389/fmars.2021.669415

Peter, R., Kuttippurath, J., Chakraborty, K. and Sunanda, N. (2021), Temporal evolution of mid-tropospheric CO$_2$ over the Indian Ocean. Atmos. Environ. 257, 118475. doi : https://doi.org/10.1016/j.atmosenv.2021.118475

Kuttippurath, J., Sunanda, N., Martin, M. V. and Chakraborty, K. (2021). Tropical storms trigger phytoplankton blooms in the deserts of north Indian Ocean. npj Climate and Atmospheric Science, 4(1), 1-12., doi : https://doi.org/10.1038/s41612-021-00166-x

Dutta, R., Sunanda, N., Patra, A. and Maity, R. (2021). Long-term simulation of daily rainfall across India: Performance of cumulus convection schemes in regional climate model during southwest and northeast monsoon. Atmospheric Research, 259, 105675., doi : https://doi.org/10.1016/j.atmosres.2021.105675