PhD students

Most of the PhD students supervised by me have been recruited via the IMPRS-ESM.

Evangelia Boza, Unravelling the drivers of air-sea CO₂ exchange spatiotemporal variability, IMPRS-ESM / Universität Hamburg, March 2025-present

Hwa-Jin Choi, Evolution of the ocean’s anthropogenic carbon reservoir under changing emissions,  IMPRS-ESM / Universität Hamburg, October 2024-present

Danai Filippou, Investigating mechanisms of predictability of compound extreme events in the ocean and their effects on the carbon sink and biogeochemical cycles. IMPRS-ESM / Universität Hamburg, June 2024-present

Mariana Salinas Matus, Eddy-induced heat, carbon, and oxygen transports in the Southern Ocean. IMPRS-ESM / Universität Hamburg, September 2022-present

Jacqueline Behncke, Quantifying the added value and rate of improvement of underway pCO2 data from sailboats (co-advisor, joint with Peter Landschützer). IMPRS-ESM / Universität Hamburg, June 2022-present

Lucas Carnier Casaroli, Effects of mesoscale processes in the ocean on biogeochemistry. IMPRS-ESM / Universität Hamburg, October 2021-present

Daniel Burt, Unravelling climate conditions preceding the end-Permian mass extinction: Insights from latest Permian interannual tropical variability and extreme events. IMPRS-ESM / Universität Hamburg. PhD Thesis: Berichte zur Erdsystemforschung, 283,  doi:10.17617/2.3604961, 2024

Lennart Ramme, Snowball Earth Aftermath: Ocean dynamics and carbon cycling under extreme greenhouse conditions (co-advisor, joint with Jochem Marotzke). IMPRS-ESM / Universität Hamburg. PhD Thesis: Berichte zur Erdsystemforschung,  265, doi:10.17617/2.3505247, 2023

István Dunkl, ESM-based predictability of land carbon fluxes (co-advisor, joint with Victor Brovkin). IMPRS- ESM / Universität Hamburg. PhD Thesis: Berichte zur Erdsystemforschung, 259,  doi:10.17617/2.3477022, 2022

Aaron Spring, Variability and predictability in the global carbon cycle. IMPRS- ESM / Universität Hamburg. PhD Thesis: Berichte zur Erdsystemforschung, 243, doi:10.17617/2.3289580, 2021

Fabrice Lacroix, Riverine and coastal ocean contributions to global and regional oceanic cycling of carbon and nutrients. Université libre de Bruxelles (co-advised by Pierre Regnier). PhD Thesis: Berichte zur Erdsystemforschung, 225, doi:10.17617/2.3220907, 2020

Hanna Paulsen, The effects of marine nitrogen-fixing cyanobacteria on ocean biogeochemistry and climate – an Earth system model perspective. IMPRS-ESM / Universität Hamburg. PhD Thesis: Berichte zur Erdsystemforschung, 205, doi:10.17617/2.2598976, 2018

Miriam Ferrer González, Climate engineering by enhancement of ocean alkalinity: impacts on the Earth system and a comparison with solar radiation management. IMPRS-ESM / Universität Hamburg. PhD Thesis: Berichte zur Erdsystemforschung, 193, doi:10.17617/2.2472753, 2017

Mathias Heinze, Modelling the carbon cycle during the Paleocene-Eocene thermal maximum. IMPRS-ESM / Universität Hamburg. PhD Thesis: Berichte zur Erdsystemforschung, 165, doi:10.17617/2.2161674, 2015

Ulrike Port, Vegetation-atmosphere interactions in the early Eocene climate (co-advisor, joint with Martin Claussen). IMPRS-ESM / Universität Hamburg. PhD Thesis: Berichte zur Erdsystemforschung, 163, doi:10.17617/2.2095642, 2014

MSc students

Kelli Johnson, Changes in the seasonal cycle of atmospheric CO2 in Earth System model large-ensemble simulations with an interactive carbon cycle. Universität Hamburg, 2024

Paul Heubel, Explainable AI for Evaluating the Seasonality of the Oceanic Carbon Cycle in CMIP6 Earth System Models. Universität Hamburg, 2024

Daniel Burt, The sensitivity of the marine carbon cycle to regional Artificial Ocean Alkalinization. Universität Hamburg, 2019

Johannes Timm, Influence of mesoscale ocean eddies on the vertical oxygen distribution. Universität Hamburg, 2018

Aaron Spring, Decadal variations of the Southern Ocean carbon sink in 100 historical MPI-ESM ensemble simulations. Universität Heidelberg (joint with Norbert Frank), 2017 

Postdoctoral scientists

Dr. Eva Rückert (2024-present)

Dr. Jiajun Wu (2024-present)

Dr. Moritz Mathis (2024-present)

Dr. Nuno Serra (2023-present)

Dr. David Marcolino Nielsen (2022-present)

Dr. Fatemeh Chegini (2020-present)

Dr. Bo Liu (2017-present)

Dr. Hongmei Li (2012-present)

Dr. Dominik Hülse (2022-2023)

Dr. Fanny Lhardy (2021-2023)

Dr. Aaron Spring (2021-2022)

Dr. Jöran März (2016-2021)

Dr. Thomas Extier (2020-2021)

Dr. Friederike Fröb (2017-2021)

Dr. Fabrice Lacroix (2019-2020)

Dr. Hanna Paulsen (2018-2019)

Dr. Yohei Takano (2016-2019)

Dr. Irene Stemmler (2016-2019)

Dr. Katharina Six (2010-2019)

Dr. Miriam Ferrer González (2017-2018)

Dr. Mathias Heinze (2015-2016)

Dr. Joachim Segschneider (2010-2014)

Dr. Ismael Nunez-Riboni (2011-2013)

🔙 Teaching and Supervision