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Publications (Google Scholar page)

  • peer-reviewed:

    Tigchelaar, M., A. Timmermann, D. Pollard, T. Friedrich, and M. Heinemann (2018), Local insolation changes enhance Antarctic interglacials: Insights from an 800,000-year ice sheet simulation with transient climate forcing, Earth and Planetary Science Letters, 495, 69-78, doi:10.1016/j.epsl.2018.05.004.   link

    Lo, L., S.T. Belt, J. Lattaud, T. Friedrich, C. Zeeden, S. Schouten, L. Smik, A. Timmermann, P. Cabedo-Sanz, J.-J. Huang, L. Zhou, T.-H. Ou, Y.-P. Chang, L.-C. Wang, Y.-M. Chou, C.-C. Shen, M.-T. Chen, K.-Y. Wei, S.-R. Song, T.-H. Fang, S.A. Gorbarenko, W.-L. Wang, T.-Q. Lee, H. Elderfield, and D.A. Hodell (2018), Precession and atmospheric CO₂ modulated variability of sea ice in the central Okhotsk Sea since 130,000 years ago, Earth and Planetary Science Letters, 488, 36-45, doi:10.1016/j.epsl.2018.02.005.   link

    Friedrich, T., A. Timmermann, M. Tigchelaar, O. Elison Timm, and A. Ganopolski (2016), Nonlinear climate sensitivity and its implications for future Greenhouse Warming, Science Advances, 2, e1501923, doi: 10.1126/sciadv.1501923.  pdf   press release   US CLIVAR   interview

    Timmermann, A., and T. Friedrich (2016), Late Pleistocene climate drivers of early human migration, Nature, 538, 92-95, doi:10.1038/nature19365.  link   video   animation   press release

    Weldeab, S., T. Friedrich, A. Timmermann, and R. R. Schneider (2016), Strong middepth warming and weak radiocarbon imprints in the equatorial Atlantic during Heinrich 1 and Younger Dryas, Paleoceanography, 31, doi:10.1002/2016PA002957.  link

    Stockhecke, M., A. Timmermann, R. Kipfer, G. H. Haug, O. Kwiecien, T. Friedrich, L. Menviel, T. Litt, N. Pickarski, and F. S. Anselmetti (2016), Millennial to orbital-scale variations of drought intensity in the Eastern Mediterranean, Quaternary Science Reviews, 133, 77-95.  link

    Hauri, C., T. Friedrich, A. Timmermann (2015), Abrupt onset and prolongation of aragonite undersaturation events in the Southern Ocean, Nature Climate Change, 6, 172-176, doi:10.1038/nclimate2844.   link   video   press release

    Freeman, E., L.C. Skinner, A. Tisserand, T. Dokken, A. Timmermann, L. Menviel, T. Friedrich (2015), An Atlantic–Pacific ventilation seesaw across the last deglaciation, Earth and Planetary Science Letters, 424, 237-244, doi:10.1016/j.epsl.2015.05.032.  link

    Friedrich, T., A. Timmermann, T. Stichel, and K. Pahnke (2014), Ocean circulation reconstructions from eps(Nd): A model-based feasibility study, Paleoceanography, 29, doi:10.1002/2014PA002658.  link  bibtex

    Weber, M.E., P.U. Clark, G. Kuhn, A. Timmermann, D. Sprenk, R. Gladstone, X. Zhang, G. Lohmann, L. Menviel, M.O. Chikamoto, T. Friedrich, and C. Ohlwein (2014), Millennial-scale variability in Antarctic ice-sheet discharge during the last deglaciation, Nature, 510, 134-138, doi:10.1038/nature13397. link  bibtex

    Timmermann, A., T. Friedrich, O. Elison Timm, M. O. Chikamoto, A. Abe-Ouchi, and A. Ganopolski (2014), Modeling obliquity and CO₂ effects on Southern Hemisphere climate during the past 408 ka, Journal of Climate, 27, 1863-1875, doi:10.1175/JCLI-D-13-00311.1.  link  bibtex

    Menviel, L., A. Timmermann, T. Friedrich, and M. H. England (2014), Hindcasting the continuum of Dansgaard–Oeschger variability: mechanisms, patterns and timing, Climate of the Past, 10, 63-77, doi:10.5194/cp-10-63-2014.  pdf  bibtex

    Kienast, S. S., T. Friedrich, N. Dubois, P. S. Hill, A. Timmermann, A. C. Mix, M. Kienast (2013), Near-collapse of the meridional SST gradient in the Eastern Equatorial Pacific during the Heinrich Stadial 1, Paleoceanography, 28, doi:10.1002/2013PA002499.  link  bibtex

    Joos, F., R. Roth, J. S. Fuglestvedt, G. P. Peters, I. G. Enting, W. von Bloh, V. Brovkin, E. J. Burke, M. Eby, N. R. Edwards, T. Friedrich, T. L. Frölicher, P. R. Halloran, P. B. Holden, C. Jones, T. Kleinen, F. Mackenzie, K. Matsumoto, M. Meinshausen, G.-K. Plattner, A. Reisinger, J. Segschneider, G. Shaffer, M. Steinacher, K. Strassmann, K. Tanaka, A. Timmermann and A. J. Weaver (2013), Carbon dioxide and climate impulse response functions for the computation of greenhouse gas metrics: a multi-model analysis, Atmospheric Chemistry and Physics, 13, 2793-2825.  pdf  bibtex

    Friedrich, T., and A. Timmermann (2012), Millennial-scale glacial meltwater pulses and their effect on the spatiotemporal benthic δ¹⁸O variability, Paleoceanography, 27, PA3215, doi:10.1029/2012PA002330.  link  bibtex

    Friedrich, T., A. Timmermann, A. Abe-Ouchi, N. R. Bates, M. O. Chikamoto, M. J. Church, J. E. Dore, D. K. Gledhill, M. González-Dávila, M. Heinemann, T. Ilyina, J. H. Jungclaus, E. McLeod, A. Mouchet, J. M. Santana-Casiano (2012), Detecting regional anthropogenic trends in ocean acidification against natural variability, Nature Climate Change, 2, doi:10.1038/nclimate1372.   link   SharedIt   video   press release   bibtex

    Friedrich T. , A. Timmermann, T. Decloedt, D. S. Luther, and A. Mouchet (2011), The effect of topography-enhanced diapycnal mixing on ocean and atmospheric circulation and marine biogeochemistry, Ocean Modelling, 3-4, doi:10.1016/j.ocemod.2011.04.012.  link  bibtex

    Timmermann, A., J. Knies, O. Elison Timm, A. Abe-Ouchi, and T. Friedrich (2010), Promotion of glacial ice sheet buildup 60-115 kyr B.P. by precessionally paced Northern Hemispheric meltwater pulses, Paleoceanography, doi:10.1029/2010PA001933.  link  bibtex

    Friedrich, T., A. Timmermann, L. Menviel, O. Elison Timm, A. Mouchet, and D. M. Roche (2010), The mechanism behind internally generated centennial-to-millennial scale climate variability in an earth system model of intermediate complexity, Geosci. Model Dev., 3, 377-389.  pdf  bibtex

    Steinhoff, T., T. Friedrich, S. E. Hartmann, A. Oschlies, D. W. R. Wallace, and A. Körtzinger (2010), Estimating mixed layer nitrate in the North Atlantic Ocean, Biogeosciences, 7, 795-807.  pdf  bibtex

    Watson, A. J., U. Schuster, D. C. E. Bakker, N. R. Bates, A. Corbière, M. González-Dávila, T. Friedrich, C. Heinze, T. Johannessen, A. Körtzinger, N. Metz, J. Olafsson, A. Olsen, A. Oschlies, B. Pfeil, J. M. Santana-Casiano, T. Steinhoff, M. Telszewski. A. F. Rios, D. W. R. Wallace, and R. Wanninkhof (2009), Tracking the variable North Atlantic sink for atmospheric CO₂, Science, 326, doi:10.1126/science.1177394.  link  bibtex

    Friedrich, T., and A. Oschlies (2009), Basinscale pCO₂ maps estimated from ARGO float data - a model study, J. Geophys. Res., 114, C10012, doi:10.1029/2009JC005322.  link  bibtex

    Friedrich, T., and A. Oschlies (2009), Neural-network based estimates of North Atlantic surface pCO₂ from satellite data - a methodological study, J. Geophys. Res., 114, C03020, doi:10.1029/2007JC004646.  link  bibtex

    Friedrich, T., A. Oschlies, and C. Eden (2006), Role of wind stress and heat fluxes in generating interannual-to-decadal variability of air-sea CO₂ and O₂ fluxes in a North Atlantic model, Geophys. Res. Lett., 33, LS21S04, doi:10.1029/2006GL026538.  link  bibtex

  • other:

    Friedrich, T., and A. Timmermann (2015), Effects of Sea—Ice and Ocean—Circulation Changes on Deglacial Deep-Ocean Radiocarbon Trends, Nova Acta Leopoldina, 121, 65-69.

    Timmermann, A., and T. Friedrich (2015), Deglacial CO₂/Climate Feedbacks: Models, Myth, and Misconceptions, Nova Acta Leopoldina, 121, 235-239.

    Friedrich, T., U. Schuster, and T. Steinhoff (2014), CO₂ in the North Atlantic Ocean, section 5.2.3 of Ocean-Atmosphere Interactions of Gases and Particles, in press

    Friedrich, T., PhD thesis (2009): Dynamical interpolation of surface pCO₂ between lines of observation in the North Atlantic Ocean.

    Friedrich, T., Diploma thesis (2004): Biophysical driving mechanisms of seasonal and interannual-to-decadal variability of CO₂- and O₂-fluxes in a North Atlantic model.