Ocean Biogeochemistry Research Group
Bio
Modeling of Southern Ocean carbon and nutrient cycles under present and future climates; understanding how ocean circulation, the cryosphere and biology interact to shape high-latitude biogeochemical cycles.
Education
- PhD: ETH Zürich, Switzerland, 2019
- MSc: University of Bergen, Norway, 2014
- BSc: University of Kiel/GEOMAR, Germany, 2012
Research
Selected publications
See Google Scholar profile for a full list of publications.
Nissen, C., N. S. Lovenduski, M. Maltrud, A. Gray, Y. Takano, K. Falcinelli, J. Sauvé, K. Smith, 2024: LIGHT-bgcArgo-1.0: using synthetic float capabilities in E3SMv2 to assess spatiotemporal variability in ocean physics and biogeochemistry, Geoscientific Model Development, 17, 6415–6435. DOI: 10.5194/gmd-17-6415-2024.
Nissen, C., Lovenduski, N. S., Brooks, C. M., Hoppema, M., Timmermann, R., Hauck, J., 2024: Severe 21st-century ocean acidification in Antarctic Marine Protected Areas. Nature Communications, 15, 259. DOI: 10.1038/s41467-023-44438-x.
- Media coverage: Press release by CU Boulder; EOS article; Colorado Public Radio article, podcast Colorado Matters (starts at min. 26:56); 9news; Newsweek
Hauck, J., Gregor, L., Nissen, C., Patara, L., Hague, M., Mongwe, P., Bushinsky, S., Doney, S. C., Gruber, N., Le Quéré, C., Manizza, M., Mazloff, M., Monteiro, P. M. S., Terhaar, J., 2023: The Southern Ocean carbon cycle 1985-2018: mean, seasonal cycle, trends, and storage. Global Biogeochemical Cycles, 37: e2023GB007848. DOI: 10.1029/2023GB007848
Seifert, M., Nissen, C., Rost, B., Vogt, M., Völker, C., Hauck, J., 2023: Interaction matters: Bottom-up driver interdependencies alter the projected response of phytoplankton communities to climate change. Global Change Biology, 29(15): 1-25. DOI: 10.1111/gcb.16799
Hauck, J., Nissen, C., Landschützer, P., Rödenbeck, C., Bushinsky, S., Olsen, A. 2023: Sparse observations induce large biases in estimates of the global ocean CO2 sink: an ocean model subsampling experiment. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 381(2249). DOI: 10.1098/rsta.2022.0063
Nissen, C., Timmermann, R., Hoppema, M., Gürses, Ö., Hauck, J., 2022: Abruptly attenuated carbon sequestration with Weddell Sea dense waters by 2100. Nature Communications, 13: 3402. DOI: 10.1038/s41467-022-30671-3
- This work was awarded the AWI Science Award 2023 (direct link to video)
Nissen, C., Vogt, M., 2021: Factors controlling the competition between Phaeocystis and diatoms in the Southern Ocean and implications for carbon export fluxes. Biogeosciences, 18(1): 251-283. DOI: 10.5194/bg-18-251-2021
Nissen, C., Vogt, M., Münnich, M., Gruber, N., Haumann, F. A., 2018: Factors controlling coccolithophore biogeography in the Southern Ocean. Biogeosciences, 15(22): 6997-7024. DOI: 10.5194/bg-15-6997-2018