Dr. Tronje Kemena

Wissenschaftlicher Programmierer und Data Scientist in der Forschungseinheit Biogeochemische Modellierung

Büro:
Raum 5.506
Turm 5, Etage 5


Tel.: +49 431 600–4039
E-Mail: tkemena(at)geomar.de


Anschrift:
GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel
Wischhofstraße 1–3
24148 Kiel

Forschungsinteressen

Unterstützung und Betrieb des FOCI-Modells für die BM-Gruppe. Schwerpunkt auf Datenanalyse, maschinellem Lernen und der Entwicklung von Werkzeugen zur Datenverarbeitung.

Publikationen

Number of items: 14.

Articles in a Scientific Journal - peer-reviewed

[thumbnail of Wey_2025_Environ._Res._Lett._20_054029.pdf]

Wey, H. W. , Moustakis, Y., Nützel, T., Oschlies, A. , Schwinger, J., Hajima, T., Fisher, R., Ziehn, T., Liddicoat, S. K., Kemena, T. P. and Keller, D. (2025) CMIP6 Models agree on similar carbon cycle feedbacks between enhancing terrestrial and marine carbon sinks. Open Access Environmental Research Letters, 20 . Art.Nr. 054029. DOI 10.1088/1748-9326/adc617.

[thumbnail of esd-10-539-2019.pdf] [thumbnail of esd-10-539-2019-supplement.pdf]

Kemena, T. P. , Oschlies, A. , Wallmann, K. J. G. , Landolfi, A. and Dale, A. W. (2019) Ocean phosphorus inventory: large uncertainties in future projections on millennial timescales and their consequences for ocean deoxygenation. Open Access Earth System Dynamics, 10 (3). pp. 539-553. DOI 10.5194/esd-10-539-2019.

[thumbnail of s41561-019-0359-x.pdf] [thumbnail of 41561_2019_359_MOESM1_ESM.pdf]

Wallmann, K. , Flögel, S., Scholz, F., Dale, A. W. , Kemena, T. P. , Steinig, S. and Kuhnt, W. (2019) Periodic changes in the Cretaceous ocean and climate caused by marine redox see-saw. Nature Geoscience, 12 (6). pp. 456-461. DOI 10.1038/s41561-019-0359-x.

[thumbnail of 10.1007_s00382-017-3890-8.pdf]

Kemena, T. P. , Matthes, K. , Martin, T. , Wahl, S. and Oschlies, A. (2018) Atmospheric feedbacks in North Africa from an irrigated, afforested Sahara. Climate Dynamics, 50 (11-12). pp. 4561-4581. DOI 10.1007/s00382-017-3890-8.

Niemeyer, D. , Kemena, T. P. , Meissner, K. J. and Oschlies, A. (2017) A model study of warming-induced phosphorus-oxygen feedbacks in open-ocean oxygen minimum zones on millennial timescales. Open Access Earth System Dynamics, 8 (2). pp. 357-367. DOI 10.5194/esd-8-357-2017.

Articles in a Scientific Journal - without review

[thumbnail of egusphere-2024-2552.pdf] [thumbnail of submitted version]

Guo, H., Koeve, W. , Oschlies, A. , He, Y. C., Kemena, T. P. , Gerke, L. and Kriest, I. (In Press / Accepted) Dual-tracer constraints on the Inverse-Gaussian Transit-time distribution improve the estimation of watermass ages and their temporal trends in the tropical thermocline. Open Access Ocean Science . DOI 10.5194/egusphere-2024-2552.

Conference papers

[thumbnail of paper-Schaffarczyk-DEWEK-2008.pdf]

Schaffarczyk, A. P. and Kemena, T. (2008) A Simplified Model for Fatigue Load Calculations of Small Wind- Turbines with Vertical Axis of Rotation. [Paper] In: DEWEK 2008. , 26.-27.11.2008, Bremen, Germany .

Presentations


Mehendale, N., Kemena, T. P. , Keller, D. P. and Oschlies, A. (2024) Regional differences in uptake during simulation of ocean alkalinity enhancement in an Earth system model. [Talk] In: Ocean Science Meeting 2024. , 18.-23.02.2024, New Orleans, USA .


Mehendale, N., Wey, H. W. , Kemena, T. P. , Keller, D. P. and Oschlies, A. (2023) Simulating Ocean Alkalinity Enhancement along the European Coast in an Earth System Model. [Talk] In: EGU General Assembly 2023. , 24.-28.4.2023, Vienna, Austria .

Conference posters

[thumbnail of Kemena_CESymposiumBerlin_2015.pdf]

Kemena, T. , Matthes, K. , Martin, T. , Wahl, S. and Oschlies, A. (2015) Climatic impacts of irrigated afforestation of the Sahara in a complex Earth System Model. [Poster] In: Climate Engineering Research Symposium 2015. , 07.-10.07.2015, Berlin, Germany .

Theses - not published by a publisher

[thumbnail of Kemena_PhDThesis_2018.pdf]

Kemena, T. P. (2017) Assessment of Feedbacks in the Earth System under Anthropogenic Forcing: Two Case Studies. Open Access (PhD/ Doctoral thesis), Christian-Albrechts-Universität Kiel, Kiel, Germany, 114, XX pp.

[thumbnail of MasterThesisKemena834551.pdf]

Kemena, T. (2014) Impact of the carbon cycle on the development of a Snowball Earth. (Master thesis), Christian-Albrechts-Universität Kiel, Kiel, Germany, 63 pp.

Reports - other reports

[thumbnail of OceanNETs_Deliverable_D5.8_v03May.pdf]

Schartau, M. , Pahlow, M., Kemena, T. P. , Lampe, V. , Taucher, J. and Seifert, M. (2024) New/refined parameterizations for modelling ocean alkalinization effects on biogeochemistry and plankton dynamics. Open Access . OceanNets Deliverable, D5.8 . OceanNETs, Kiel, Germany, 34 pp. DOI 10.3289/oceannets_d5.8.

[thumbnail of D4.3_v1.pdf]

Keller, D. P. , Mehendale, N. and Kemena, T. P. (2023) Analysis (report) of high- resolution modelling of efficacy, and regional impacts of selected ocean NETs close to the deployment sites. Open Access . OceanNets Deliverable, D4.3_v1 . OceanNETs, Kiel, Germany, 29 pp. DOI 10.3289/oceannets_d4.3_v1.

This list was generated on Mon Apr 28 01:02:58 2025 CEST.