Franz Tuchen

Research Highlights

Research Interests

Tropical Atlantic mean circulation and circulation variability.

Equatorial wave dynamics. 

Atlantic Meridional Overturning Circulation and Subtropical-Tropical Cells.

Franz “Philip” Tuchen, Ph.D.

Postdoctoral Research Associate, Physical Oceanography Division

4301 Rickenbacker Causeway
Miami, Florida 33149

Observing oceanographic phenomena and key parameters is essential for a better understanding of climate variability. That is why sea-going oceanography has a big share in addressing the most pressing scientific questions. Experiencing the vastness and the strength of the ocean on a research vessel keeps amplifying my fascination about sea-going physical oceanography.”

Philip is a Postdoctoral Research Associate in the Physical Oceanography Division of NOAA/AOML. His current research is funded by an NRC Postdoctoral Research Associateship Award and focuses on the long-term variability of Atlantic Tropical Instability Waves and how it projects on climate variability.

Current Work

Investigating the long-term variability of Atlantic Tropical Instability Waves and their impact on regional climate variability

Quantifying transports and pathways of the tropical segment of the Atlantic Meridional Overturning Circulation

Estimating the Atlantic Subtropical Cells from observations and model projections

Investigating deep intraseasonal variability in the equatorial Atlantic Ocean from observations and model simulations

Download Full CV

2013, B.S. Meteorology and Physical Oceanography, Kiel University/GEOMAR, Kiel, Germany

2016, M.S. Physical Oceanography, Kiel University/GEOMAR, Kiel, Germany

2020, Ph.D. Physical Oceanography, Kiel/University/GEOMAR, Kiel, Germany

Tuchen, F. P., Brandt, P, Hahn., J, Hummels., R., Krahmann, G., Bourlès, B., Provost, C., McPhaden, M. J., Toole, J. M., (2022): Two decades of full-depth current velocity observations from a moored observatory in the central equatorial Atlantic at 0°N, 23°W, Frontiers in Marine Sciences, doi:

Tuchen, F. P., Brandt, P., Lübbecke, J. F., & Hummels, R. (2022): Transports and pathways of the tropical AMOC return flow from Argo data and shipboard velocity measurements, Journal of Geophysical Research: Oceans, 127, e2021JC018115, doi: 10.1029/2021JC018115

Brandt, P., Hahn, J., Schmidtko, S., Tuchen, F. P., Kopte, R., Kiko, R., Bourl s, B., Czeschel, R., & Dengler, M. (2021): Atlantic Equatorial Undercurrent intensification counteracts warming-induced deoxygenation, Nature Geoscience, 14, pp. 278-282, doi: 10.1038/s41561-021-00716-1

Tuchen, F. P., Lübbecke, J. F., Brandt, P., & Fu, Y. (2020): Observed transport variability of the Atlantic Subtropical Cells and their connection to tropical sea surface temperature variability, Journal of Geophysical Research: Oceans, 125(12), e2020JC016592, doi: 10.1029/2020JC016592

    National Research Council (NRC) Postdoctoral Research Associateship Award 2021