GEOMAR  Ojha, Sayantani

Dr. Sayantani Ojha

Research Division 1: Ocean Circulation and Climate Dynamics
Research Unit: Maritime Meteorology

Office: Room: DW-412
Phone: +49 431 600-4061
Email: sojha(at)geomar.de

Address:Düsternbrooker Weg 20, D-24105 Kiel, Germany

Research Interest

  • Climate Extremes
  • Climate Modeling
  • Climate Change and Sea Level Rise
  • Air-Sea Interaction
  • Indian Ocean Variability

Publications

S.D. Nandini-Weiss, Sayantani Ojha, A. Köhl, J.H. Jungclaus and D. Stammer, Long-term climate change impacts on regional Sea Level Statistics analyzed from the MPI-ESM Large Ensemble Simulation, Climate Dynamics (Under Review)

Matthew P. Couldrey, Jonathan M. Gregory, Xiao Dong, Oluwayemi Garuba, Helmuth Haak, Aixue Hu, William J. Hurlin, Jiangbo Jin, Johann Jungclaus, Armin Köhl, Hailong Liu, Sayantani Ojha, Oleg A. Saenko, Abhishek Savita, Tatsuo Suzuki, Zipeng Yu & Laure Zanna, Greenhouse-gas forced changes in the Atlantic meridional overturning circulation and related worldwide sea-level change, Clim Dyn 60, 2003–2039 (2023). doi.org/10.1007/s00382-022-06386-y

Armin Köhl, Xiaolin Zhang, Sayantani Ojha, Helmuth Haak, Johann H. Jungclaus, Detlef Stammer; Sea level Changes Mechanisms in the MPI-ESM under FAFMIP forcing conditions; Climate Dynamics, 59, 2619–2641 (2022). doi.org/10.1007/s00382-022-06231-2 

Reetambhara Dutta, S. Sridharan, S. Meenakshi, Sayantani Ojha, K. Hozumi, C.Y. Yatini, On the high percentage of occurrence of type-B 150-km echoes during the year 2019 and its relationship with mesospheric semi-diurnal tide and stratospheric ozone, Advances in Space Research, 2021.

M.P.Couldrey et al.,What causes the spread of model projections of ocean dynamic sea-level change in response to greenhouse gas forcing?, Climate Dynamics, 2021.

Deshpande A., Gnanaseelan C, J.S. Chowdary, A. Parekh, Sayantani Ojha and Rahul S; Equatorial Indian Ocean current biases in CMIP5 simulations and possible causes, Global and Planetary Changes, 2016.

Sayantani Ojha, Gnanaseelan C., Rahul S., Anant Parekh and J. S. Chowdary; Arabian Sea SST biases in CMIP5 coupled models and the associated processes, International Journal of Climatology, 2016.

Chowdary J. S., A. Parekh, Sayantani Ojha and C. Gnanaseelan; Role of upper ocean processes in the seasonal SST evolution over Tropical Indian Ocean in Climate Forecasting System, Climate Dynamics, 2015.

Chowdary J. S., A. Parekh, Sayantani Ojha, C. Gnanaseelan, and R. Kakatkar; Seasonal SST biases in the Tropical Indian Ocean in Climate Forecasting System versions 1 and 2, International Journal of Climatology, 2015.

A. Parekh, Chowdary J. S., Sayantani Ojha, T. S. Fousiya and C. Gnanaseelan; Tropical Indian Ocean surface salinity bias in Climate Forecasting System coupled models and the role of Upper Ocean processes, Climate Dynamics, 2014.

Sayantani Ojha, Gnanaseelan C, Chowdary J. S., The role of AS in the evolution of Indian Ocean Dipole. International Journal of Climatology, 2014.

Sayantani Ojha and Gnanaseelan C; Tropical Indian Ocean subsurface temperature variability and the forcing mechanisms, Climate Dynamics, 2014.