Dr. David Keller


Scientist at Research Unit Biogeochemical Modelling

Office:
Room: 20-211
Tel.: +49 431 600-4513
Fax: +49 431 600-4469
E-Mail: dkeller(at)geomar.de

Address:
GEOMAR Helmholtz Centre for Ocean Research Kiel
Düsternbrooker Weg 20
24105 Kiel

Research Interests

  • Marine biogeochemical modelling
  • Earth system modelling (past, present, and future)
  • Assessment of climate engineering

Education and Employment

  • since 2010  Research fellow at IFM-GEOMAR, now GEOMAR | Helmholtz Centre for Ocean Research Kiel, Germany
  • 2010  PhD in Marine, Estuarine, and Environmental Science (specialization in biological oceanography), with PhD thesis "Following the Transfer and Flow of Carbon and Nitrogen to Determine the Role of Planktonic Food Webs Dynamics in Biogeochemical Cycles"
  • 2004 2010  Graduate Research Assistent at University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD
  • 2001  BSc. with a double major in Marine Biology and Biological Oceanography, Millersville University, Millersville, PA

Memberships

  • American Society of Limnology and Oceanography
  • American Geophysical Union

Projects

Carbon Dioxide Removal Model Intercomparison Project (CDR-MIP) - project leader

Carbon Dioxide Removal Model Intercomparison Assessment (CDR-MIA) - lead PI

Publications

Number of items: 37.

Articles in a Scientific Journal - peer-reviewed

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Feng, E. Y., Keller, D. P., Koeve, W. and Oschlies, A. (2016) Could artificial ocean alkalinization protect tropical coral ecosystems from ocean acidification? Environmental Research Letters, 11 (7). Article Nr. 074008. DOI 10.1088/1748-9326/11/7/074008.

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Partanen, A. I., Keller, D. P., Korhonen, H. and Matthews, D. H. (2016) Impacts of sea spray geoengineering on ocean biogeochemistry Geophysical Research Letters . DOI 10.1002/2016GL070111.

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Keller, D. P., Kriest, I., Koeve, W. and Oschlies, A. (2016) Southern Ocean biological impacts on global ocean oxygen Geophysical Research Letters . DOI 10.1002/2016GL069630.

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Mengis, N., Martin, T., Keller, D. P. and Oschlies, A. (2016) Assessing climate impacts and risks of ocean albedo modification in the Arctic Journal of Geophysical Research - Oceans . DOI 10.1002/2015JC011433.

Mengis, N., Keller, D. P., Eby, M. and Oschlies, A. (2015) Uncertainty in the response of transpiration to CO2 and implications for climate change Environmental Research Letters, 10 (9). 094001. DOI 10.1088/1748-9326/10/9/094001.

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Kvale, K. F., Meissner, K. J. and Keller, D. P. (2015) Potential increasing dominance of heterotrophy in the global ocean Environmental Research Letters, 10 (7). 074009. DOI 10.1088/1748-9326/10/7/074009.

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Kvale, K. F., Meissner, K. J., Keller, D., Eby, M. and Schmittner, A. (2015) Explicit Planktic Calcifiers in the University of Victoria Earth System Climate Model, Version 2.9 Atmosphere-Ocean, 53 (3). pp. 332-350. DOI 10.1080/07055900.2015.1049112.

Keller, D., Lee, D. Y. and Hood, R. R. (2014) Turbidity Maximum Entrapment of Phytoplankton in the Chesapeake Bay Estuaries and Coasts, 37 . pp. 279-298. DOI 10.1007/s12237-013-9692-2.

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Keller, D., Feng, Y. and Oschlies, A. (2014) Potential climate engineering effectiveness and side effects during a high CO2-emissions scenario Nature Communications, 5 (3304). pp. 1-11. DOI 10.1038/ncomms4304.

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Keller, D., Oschlies, A. and Eby, M. (2012) A new marine ecosystem model for the University of Victoria Earth System Climate Model Geoscientific Model Development, 5 . pp. 1195-1220. DOI 10.5194/gmd-5-1195-2012.

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Lee, D. Y., Keller, D., Crump, B. C. and Hood, R. R. (2012) Community metabolism and energy transfer in the Chesapeake Bay estuarine turbidity maximum Marine Ecology Progress Series, 449 . pp. 65-82. DOI 10.3354/meps09543.

Articles in a Scientific Journal - without review

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Reith, F., Keller, D. P. and Oschlies, A. (2016) Revisiting ocean carbon sequestration by direct injection: A global carbon budget perspective Earth System Dynamics Discussion, 2016 (20). pp. 1-26. DOI 10.5194/esd-2016-20.

Presentations


Keller, D., Nickelsen, L., Floegel, S. and Sijp, W. (2015) UVic Model Marine Biogeochemistry Configurations at Kiel, Part II + a Cretaceous Configuration [Invited talk] In: University of Victoria Earth System Climate Model (UVIC ESCM) Developement Workshop, 04.-06.05.2015, University of Victoria .


Keller, D., Kriest, I., Koeve, W. and Oschlies, A. (2015) Southern Ocean Biological Impacts on Global Ocean Oxygen [Invited talk] In: Alfred Wegener Institute Helmholz Centre for Polar and Marine Research Invited seminar, 07.04.2015, Bremerhaven, Germany .


Keller, D., Reith, F., Feng, Y., Mengis, N. and Oschlies, A. (2015) An Earth System model evaluation of multiple climate engineering approaches [Invited talk] In: Invited seminar, University of Victoria, 06.05.2015, Victoria, Canada .


Mengis, N., Keller, D. P., Eby, M. and Oschlies, A. (2015) Uncertainty in the response of transpiration to CO2 and implications for climate change [Talk] In: EGU General Assembly 2015, 12.–17.04.2015 , Vienna, Austria .


Keller, D., Reith, F., Feng, Y. and Oschlies, A. (2014) Modelling the marine impacts of proposed methods to prevent climate change or mitigate its effects [Talk] In: IMBER Open Science Conference FUTURE OCEAN, 23.-27.06.2014, Bergen, Norway .


Flögel, S., Keller, D., Sijp, W., Oschlies, A., Kuhnt, W. and Wallmann, K. (2014) Biogeochemical cycling during Cretaceous Oceanic Anoxic Events [Talk] In: Ocean Sciences Meeting 2014, 23.-28.02.2014, Honululu, Hawaii, USA .


Keller, D. (2014) Toolkit Against Climate Change: Mitigation, Adaptation, and Climate Engineering. Overview of Carbon Dioxide Reduction (CDR) and Solar Radiation Management (SRM) Methods [Talk] In: 5. Interdisciplinary Summer School on Climate Engineering, 28.07.-01.08.2014, Heidelberg, Germany .


Keller, D. and Scott, V. (2014) Introduction to Understanding Carbon-cycle and Climate Feedbacks of Carbon Dioxide Removal Methods [Talk] In: Climate Engineering Conference 2014, 18.-21.08.2014, Berlin, Germany .


Mengis, N., Keller, D. P. and Oschlies, A. (2014) Arctic Bubbles - Using Microbubbles to Increase the Surface Albedo of the Arctic Ocean [Talk] In: Climate Engineering Conference 2014, 18.-21.08.2014, Berlin, Germany .


Keller, D. (2013) The Role of Modelling in Climate Engineering Research [Invited talk] In: SPP 1689 PhD workshop, 22.-24.09.2013, Plön, Germany .


Keller, D., Feng, Y. and Oschlies, A. (2013) Climate engineering unlikely to prevent disruptive climate change if CO2 emissions remain high [Public Lecture] In: GEOMAR FB2 Seminar, 27.05.2013, Kiel, Germany .


Keller, D., Feng, Y. and Oschlies, A. (2013) SHOULD CLIMATE ENGINEERING BE CONSIDERED TO DEAL WITH CLIMATE CHANGE? AN EARTH SYSTEM MODEL EVALUATION OF MULTIPLE CLIMATE ENGINEERING APPROACHES [Talk] In: IMBER IMBIZO III, 28.-31.01. 2013, Goa, India .

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Keller, D. and Oschlies, A. (2011) Global Marine Biogeochemical Modeling and the Value of Mesocosm Data: It's Usefulness, Problems, and Potential [Invited talk] In: MESOAQUA PhD Course/Workshop, 29.08.-02.09.2011, IFM-GEOMAR, Kiel, Germany .


Keller, D. and Hood, R. (2010) A Steady-State Comparative Simulation of Dissolved Organic Matter Cycling in Idealized Oceanic, Coastal, and Estuarine Surface Waters: The Role of the Planktonic Community Structure and Nutrient Loading [Talk] In: IMBER IMBIZO ll “Integrating biogeochemistry and ecosystems in a changing ocean: Regional comparisons”, 10.-14.10 2010, Crete, Greece .

Conference posters


Mengis, N., Keller, D. P. and Oschlies, A. (2015) Comparative assessment of detectability and robustness of Climate Engineering impacts [Poster] In: Climate Engineering Research Symposium 2015, 07.-10.07.2015, Berlin, Germany .


Mengis, N., Keller, D. P., Oschlies, A. and Martin, T. (2015) Assessing the potential and side effects of ocean albedo modification in the Arctic [Poster] In: AGU Fall Meeting 2015, 14.-18.12.2015, San Francisco, USA .


Mengis, N., Rickels, W., Keller, D. P. and Oschlies, A. (2015) Selecting Indicators from Earth System Metrics to assess Solar Radiation Management and Afforestation [Poster] In: Climate Engineering Research Symposium 2015, 07.-10.07.2015, Berlin, Germany .


Feng, Y., Keller, D., Koeve, W. and Oschlies, A. (2014) Ocean alkalinization - an application for coral reef conservation [Poster] In: Ocean Sciences Meeting 2014, 23.-28.02.2014, Honululu, Hawaii, USA .


Keller, D. and Oschlies, A. (2014) Investigating the role that the Southern Ocean biological pump plays in determining global ocean oxygen concentrations and deoxygenation [Poster] In: Ocean Sciences Meeting 2014, 23.-28.02.2014, Honululu, Hawaii, USA .

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Keller, D. and Oschlies, A. (2013) Investigating the role that the Southern Ocean biological pump plays in determining global ocean oxygen concentrations and deoxygenation [Poster] In: EUR-OCEANS Hot Topics Conference, 6.-8.11.2013, Gran Canaria, Spain .


Keller, D., Feng, Y. and Oschlies, A. (2013) SHOULD CLIMATE ENGINEERING BE CONSIDERED TO DEAL WITH CLIMATE CHANGE? AN EARTH SYSTEM MODEL EVALUATION OF MULTIPLE CLIMATE ENGINEERING APPROACHES [Poster] In: IMBER IMBIZO III, 28.-31.01.2013, Goa, India .


Keller, D. and Oschlies, A. (2012) Investigating the Net Impact of Ecosystem Seasonality on Biogeochemistry in Climate Change Simulations [Poster] In: ASLO Ocean Sciences Meeting 2012, 20.-24.02.2012, Salt Lake City, USA .

This list was generated on Wed Aug 24 20:33:05 2016 CEST.