Education

• 1998 - Ph.D. (Natural Sciences), Max Planck Institute of Meteorology, Hamburg, Germany
  Thesis: Modes of climate variability as simulated by a coupled general circulation model
• 1995 - Diploma Physics, University of Marburg, Germany
  Thesis: Photon-interferometry of the quark-gluon plasma (in German)
• 1992 - B.Sc. (Physics), University of Marburg, Germany

Research Interests

• ENSO dynamics
• Coral bleaching
• Stability of the thermohaline circulation
• Stochastic climate modeling
• Millennial-scale climate variability
• Climate predictability
• Paleo-modeling
• Holocene climate change
• Chaos theory and climate dynamics
• Biophysical interactions in the oceans
• Lake Kauhako

Professional Experience

• Associate Professor, Department of Oceanography, School of Ocean and Earth Science and Technology, University of Hawaii, August 2004–present
• Principal Investigator, DFG Research Group: "Centennial and Millennial Climate Variability", Institut fuer Meerskunde, Universitaet Kiel, Germany, since April 2001
• Postdoctoral Fellow, Visiting Assistant Researcher, International Pacific Research Center (IPRC), SOEST, University of Hawaii, USA, October 2000–March 2001
• Postdoctoral Fellow, Royal Dutch Meteorological Institute, Predictability of Weather and Climate (research division), Netherlands, October 1998–September 2000

Further Professional Experience

• CLIVAR workshop on "Western Tropical Pacific: Hatchery for ENSO and Global Teleconnections", Guangzhou, November 26–28, 2007
• Organizer of the WCRP/CLIVAR Workshop on Multidecadal to Centennial Global Climate Variability, November 15th–17th, 2006
• Chair of the International CLIVAR Pacific Panel, since January 2005
• Visiting Scientist, Leibniz Institut fuer Meereswissenschaften, IfM-GEOMAR, August, 2005
• Member of the Air-Sea Interaction Committee of the AMS, since December 2004
• Co-Chair, SPIE's international Asia-Pacific Symposium on remote sensing of the atmosphere, ocean, environment and space, Hanzhou, China, 2002
• Visiting Scientist, Department of Meteorology, University of Hawai'i, USA, 2001/2002
• Secretary, Nonlinear Processes section of the European Geophysical Society, 2000–present
• Organizer, International Workshop on Dynamical System Concepts in Climate Dynamics ,
  De Bilt,  Netherlands, 2000
• Co-author, Greenpeace report on coral bleaching, 2000
• Visiting Scientist, Scripps Institution of Oceanography, La Jolla, California, USA, 2000
• Co-author, IPCC Third Assessment Report, Chapter 2,7,9, 1999
• Lecturer, KNMI. Lecture series on Stochastic climate models, 1999
• Delegate, German Climate Expert Group, Jakarta, 1997
• Oceanographic research cruise ARC XII to the Arctic ocean, 1996
• Teaching assistant, University of Marburg, Germany. Subjects: cosmology and particle physics,
  1994–1995

Journal Reviews

Advances in Geophysics, Climate Change, Climate Dynamics, Climate of the Past, Geophysical Research Letters, Journal of Atmospheric Sciences, Journal of Climate, Journal of Geophys. Research, Nature,  NOAA/CLIVAR proposals, NSF, NWO/NERC proposals, Ocean Modeling, Paleoceanography, and Science

Awards and Honors

• 2006, Rosenstiel Award for Outstanding Achievement and Distinction in Oceanographic Science, University of Miami Rosenstiel School of Marine & Atmospheric Science, Florida
• 1995, Heraeus Prize, Marburg, Germany

Selected Publications

• Krebs, U., and A. Timmermann: Tropical air-sea interactions accelerate the recovery of the Atlantic Meridional Overturning Circulation after a major shutdown. J. Climate, in press.
• Menviel, L., A. Timmermann, A. Mouchet, and O. Timm: Climate and marine carbon cycle response to changes in the strength of the Southern Hemispheric westerlies. Paleoceanography, in press.
• Timm, O., A. Timmermann, A. Abe-Ouchi, F. Saito, and T. Segawa: On the definition of seasons in paleoclimate simulations with orbital forcing. Paleoceanography, in press.
• Xie, S.-P., Y. Okumura, T. Miyama, and A. Timmermann: Influences of Atlantic climate change on the tropical Pacific via the Central American Isthmus. J. Climate, in press.
• Menviel, L., A. Timmermann, A. Mouchet, and O. Timm, 2008: Meridional reorganizations of marine and terrestrial productivity during glacial Heinrich events. Paleoceanography, 23, doi:10.1029/2007PA001445.
• Krebs, U., and A. Timmermann, 2007: Fast advective recovery of the Atlantic meridional overturning circulation after a Heinrich event. Paleoceanography, 2, PA1220/doi 10.1029/2005PA001259.
• Lamy, F., J. Kaiser, H. Arz, U. Ninnemann, O. Timm, A. Timmermann, and D. Hebbeln, 2007: Modulation of the bipolar seesaw in the Southeast Pacific during Termination 1. Earth Planetary Science Letters, 259, 400-413.
• Pahnke, K., J. Sachs, L. Keigwin, A. Timmermann, and S.-P. Xie, 2007: Eastern tropical Pacific hydrological changes during the past 27,000 years from D/H ratios in alkenones. Paleoceanography, 22, PA4214, doi:10.1029/2007PA001468.
• Stocker, T.F., A. Timmermann, M. Renold, and O. Timm, 2007: Effects of salt compensation on the climate model response in simulations of large changes of the Atlantic meridional overturning circulation. J. Climate, 20, 5912–1928.
• Stott, L., A. Timmermann, and R. Thunell, 2007: Southern Hemisphere and deep sea warming led deglacial atmospheric CO2 rise and tropical warming. Science, DOI: 10.1126/1143791.
• Timm, O., and A. Timmermann, 2007: Simulation of the last 21,000 years using accelerated transient boundary conditions. J. Climate, 20, 4377–4401.
• Timmermann, A., S. Lorenz, S.-I. An, A. Clement, and S.-P. Xie, 2007: The effect of orbital forcing on the mean climate and variability of the tropical Pacific, J. Climate, 20, 4147–4149.
• Timmermann, A., Y. Okumura, S.-I. An, A. Clement, B. Dong, E. Guilyardi, A. Hu, J.H. Jungclaus, M. Renold, T.F. Stocker, R.J. Stouffer, R. Sutton, S.-P. Xie, and J. Yin, 2007: The influence of a shutdown of the Atlantic meridional overturning circulation on ENSO. J. Climate, 20, 4899–4919.
• An, S.-I. J.-S. Kug, A. Timmermann, I.-S. Kang, and O. Timm, 2006: The influence of ENSO on the generation of decadal variability in the North Pacific. J. Climate, 20, 667–680.
• Goosse, H., O. Arzel, J, Luterbacher, M. E. Mann, H. Renssen, N. Riedwyl, A. Timmermann, E. Xoplaki, and H. Wanner, 2006: The Origin of the "European Medieval Warm Period". Climate of the Past, 2, 99–113.
• Goosse, H., H. Renssen, A. Timmermann, R.S. Bradley, and M.E. Mann, 2006: Using paleoclimate proxy-data to select an optimal realisation in an ensemble of simulations of the climate of the past millennium. Climate Dynamics, doi 10.1007/s00382-006-0128-6.
• Jin, F.-F., L. Lin, A. Timmermann, J. Zhao, 2006 : Ensemble-mean dynamics of the ENSO Recharge Oscillator under state-dependent stochastic forcing. Geophys. Res. Lett., 34, L03807, doi:10.1029/2006GL027372.
• Justino, F., A. Timmermann, U. Merkel and R.W. Peltier, 2006: An initial intercomparison of atmospheric and oceanic climatology for the ICE-5G and ICE-4G models of LGM paleotopography. J. Climate, 19, 3–14.
• Goosse, H.,  H. Renssen, A. Timmermann, and R.S. Bradley, 2005: Internal and forced climate variability during the last millennium: a model-data comparison using ensemble simulations. Quarternary Science Reviews, 24, 1345–1360.
• Justino, F., A. Timmermann, U. Merkel, and E.P. Sousa, 2005: Synoptic Reorganization of atmospheric flow during the Last Glacial Maximum. J. Climate, 18, 2826–2846.
• Marzeion, B., A. Timmermann, R. Murtugudde, and F.-F. Jin, 2005: Bio-physical feedbacks in the tropical Pacific. J. Climate, 18, 58–70.
• Reuning, L., J.J.G. Reijmer, C. Betzler, A. Timmermann, and S. Steph, 2005: Sub-Milankovitch cycles in periplatform carbonates from the early Pliocene Great Bahama Bank. Paleoceanography, PA1017 doi:10.1029/2004PA001075.
• Timmermann, A., S.-I. An, U. Krebs, and H. Goosse, 2005: ENSO suppression due to a weakening of the North Atlantic thermohaline circulation. J. Climate, 18, 3122–3139.
• Timmermann, A. U. Krebs, F. Justino, H. Goosse, T. Ivanochko, 2005: Mechanisms for millennial-scale global synchronization during the last glacial period. Paleoceanography, 20 (4), PA4008, doi: 10.1029/2004PA00109.
• Abshagen, J., and A. Timmermann, 2004: An Organizing Center for Thermohaline Excitability, J. Phys. Oceanogr., 34, 2756–2760.
• An, S.-I., A. Timmermann, L. Bejarano, F.-F. Jin, F. Justino. Z. Liu, and S. Tudhope, 2004: ENSO dynamics during the Last Glacial Maximum. Paleoceanography, 19, PA4009, doi:10.1029/2004PA001020.
• Eden, C., and A. Timmermann, 2004: The influence of the Galapagos Islands on tropical temperatures, currents and the generation of tropical instability waves. Geophys. Res. Lett., 21, 10.120/2004GL200600.
• Gamez, A.J., C.S. Zhou, A. Timmermann, and J. Kurths, 2004: Nonlinear dimensionality reduction in climate data.  Nonlinear Processes in Geophysics, 11, 393–398.
• Knutti, R., J. Flueckiger, T.F. Stocker, and A. Timmermann, 2004: Strong hemispheric coupling of glacial climate through continental freshwater discharge and ocean circulation. Nature, 430, 851–856.
• Schulz, M., A. Paul, and A. Timmermann, 2004: Glacial-Interglacial Contrast in Climate Variability at Centennial-to-Millennial Timescales: Observations and Conceptual Model. Quaternary Science Reviews, 23, 2219–2230.
• Timmermann, A., and H. Goosse, 2004: Is the wind-stress forcing essential for the meridional overturning circulation? Geophys. Res. Lett., 31, L04303, doi: 10.1029/2003GL01877.
• Timmermann, A., F.-F. Jin, and M. Collins, 2004: Intensification of the annual cycle in the tropical Pacific due to greenhouse warming. Geophys. Res. Lett., 31, L12208, doi: 10.1029/2004GL019442.
• Jin, F.-F., S.I. An, A. Timmermann, and X. Zhang, 2003: Strong El Niño events and nonlinear dynamical heating. Geophys. Res. Lett., 30, doi:10.1029/2002GL016356.
• Miller, A.J., M.A. Alexander, G.J. Boer, F. Chai, K. Denman, D.J. Erickson, R. Frouin, A.J. Gabric, E.A. Laws, M.R. Lewis, Z. Liu, R. Murtugudde, S. Nakamoto, D.J. Neilson, J.R. Norris, J.C. Ohlmann, R.I. Perry, N. Schneider, K.M. Shell, and A. Timmermann, 2003: Potential feedbacks between Pacific Ocean ecosystems and interdecadal climate variations. Bull. Amer. Meteor. Soc., 84, 617–633.
• Timmermann, A., 2003: Decadal ENSO Amplitude Modulations: A Nonlinear Mechanism. Global Planet. Changes, 135–156.
• Timmermann, A., and F.-F. Jin, 2003: A Nonlinear Theory for El Niño Bursting. J. Atmos. Sci., 60, 152–165.
• Timmermann, A., M. Schulz, H. Gildor, and E. Tziperman, 2003: Coherent Resonant millennial-scale climate transitions triggered by massive meltwater pulses. J. Climate, 16 (15), 2569–2585.
• Pasmanter, R., and A. Timmermann, 2002: Cyclic Markov Chains with an Application to ENSO Predictability. Nonlinear Processes in Geophysics, 9, 1–14.
• Schulz, M., A. Timmermann, and A. Paul, 2002: Relaxation oscillators in concert: A conceptual framework for late Pleistocene millennial-scale climate variability. Geophys. Res. Lett., 29, 2193, doi: 10.1029/2002GL016144.
• Timmermann, A., and F.-F. Jin, 2002: A Nonlinear Mechanism for Decadal El Niño Amplitude Changes. Geophys. Res. Lett., 10.1029/2001GL013369.
• Timmermann, A., and F.-F. Jin, 2002: Phytoplankton influences on tropical climate, Geophys. Res. Lett., 29, doi: 10.10129/2002GL15434.
• Timmermann, A., and F.-F. Jin, 2002: Predictability of Coupled Processes. ECMWF annual seminar series.
• Monahan, A.H., A. Timmermann, and G. Lohmann, 2001: Comments on "Noise-Induced Transitions in a simplified model of the thermohaline circulation." J. Phys. Oceanogr., 32, 1112–1116.
• Timmermann, A., 2001: Changes of ENSO stability due to Greenhouse Warming, Geophys. Res. Lett., 28, 2064–2066.
• Timmermann, A., H. Voss, and R. Pasmanter, 2001: Empirical Dynamical System Modeling of ENSO using Nonlinear Inverse Techniques. J. Phys. Oceanogr., 31, 1579–1598.
• Contributing Author of "Projections Future Climate Change," in Third Assessment Report, IPCC, 2000.
• Contributing Author, " Physical Climate Processes and Feedbacks" in Third Assessment Report, IPCC, 2000.
• Contributing Author, "Observed Climate Variability and Change" in Third Assessment Report, IPCC, 2000.
• Hoegh-Guldberg, O., H. Hoegh-Guldberg, D.K. Stout, H. Cesar, and A. Timmermann, 2000: Pacific in Peril: Biological, Economic and Social Impacts of Climate Change on Pacific Coral Reefs. Greenpeace report. ISBN 1876221100.
• Grötzner, A., M. Latif, A. Timmermann, and R. Voss, 1999: Interannual to Decadal Predictability in a Coupled Ocean-Atmosphere General Circulation Model. J. Climate, 12, 2607-2624.
• Timmermann, A., 1999: Detecting the Nonstationary Response of ENSO to Greenhouse Warming. J.  Atmos. Sci., 56, 2313–2325.
• Timmermann, A., and M. Latif, 1999: Modes of Climate Variability as simulated by the coupled atmosphere-ocean model ECHAM3/LSG, Part I: ENSO-like climate variability, Clim. Dyn., 15, 605–618.
• Timmermann, A., M. Latif, A. Bacher, J. Oberhuber, and E. Roeckner, 1999: Increased El Niño frequency in a climate model forced by future greenhouse warming. Nature, 398, 694–696.
• Timmermann, A., and G. Lohmann, 1999: Noise-Induced Transitions in a simplified model of the thermohaline circulation, J. Phys. Oceanogr., 30, 1891–1900.
• Timmermann, A., M. Latif , R.Voss, and A. Grötzner, 1998: Northern Hemispheric Interdecadal Variability: A coupled Air-Sea Mode. J. Climate, 11, 1906–1931.
• Arbex, N., M. Pluemer, U. Ornik, A. Timmermann, and R.M. Weiner, 1995: Thermal photon production in heavy ion collisions. Figure 1,Figure 2. Phys. Lett., B345, 307–312.
• Timmermann, A., M. Pluemer, L.V. Razumov, and R.M. Weiner, 1994: Photon Interferometry of quark-gluon dynamics reexamined. Phys. Review, C50 (6), 3060.