Axel Timmermann

Axel Timmermann
Director
Distinguished Professor
Research Group
Earth System Dynamics
Education
  • Ph.D. 1999: Meteorology. University of Hamburg, Germany
  • M.S. 1995: Theoretical Physics. University of Marburg, Germany
  • B.S. 1992: Physics. University of Marburg, Germany
Work Experience
  • 2017 Director of the IBS Center for Climate Physics, Pusan National University
  • 2017 Distinguished Professor, Pusan National University
  • 2009-2016: Full Professor in Physical Oceanography, University of Hawaii 
  • 2004–2009: Associate Professor in Physical Oceanography, University of Hawaii
  • 2001–2005: Associate Researcher, IfM-GEOMAR, University of Kiel, Germany
  • 2000–2001: Postdoc, International Pacific Research Center, Hawaii, USA
  • 1998–2000: Postdoc, Royal Dutch Meteorological Institute, the Netherlands
  • 1995-1998: Research Assistant, Max Planck Institute of Meteorology, Hamburg
Fellowships, Awards, and Honors
  • 2017: Milankovic Medal of the European Geosciences Union
  • 2015: Elected Fellow of the American Geophysical Union
  • 2015: University of Hawaii, Regents' Medal for Excellence in Research
  • 2007: Rosenstiel Award of the Rosenstiel School for Marine and Atmospheric Science (RSMAS), Miami
Research Interests
  • El Niño
  • Human migration and climate
  • Climate/carbon cycle interactions
  • Glacial Dynamics
  • Abrupt Climate Change
  • Sea level rise
  • Ice-sheet instabilities
  • Climate Predictability
Publications
  1. Revisiting ENSO/Indian Ocean Dipole phase relationships, M Stuecker, A Timmermann, FF Jin, Y Chikamoto, W Zhang, Geophysical Research Letters 44, DOI: 10.1002/2016GL072308, 2017
  2. Nonlinear climate sensitivity and its implications for future greenhouse warming, T Friedrich, A Timmermann, M Tigchelaar, O Elison Timm, A Ganopolski, Science Advances 2 (11), DOI: 10.1126/sciadv.1501923, 2016
  3. Unraveling El Niño's impact on the East Asian Monsoon and Yangtze River summer flooding, W Zhang, FF Jin, MF Stuecker, AT Wittenberg, A Timmermann, HL Ren, Geophysical Research Letters, DOI 10.1002/2016GL071190, 2016
  4. Tropical Pacific SST drivers of recent Antarctic sea ice trends, A Purich, M England, W Cai, Y Chikamoto, A Timmermann, J Fyfe, Journal of Climate, DOI: 10.1175 JCLI-D-16, 2016
  5. Strong middepth warming and weak radiocarbon imprints in the equatorial Atlantic during Heinrich 1 and Younger Dryas, S Weldeab, T Friedrich, A Timmermann, R Schneider Paleoceanography 31, doi:10.1002/2016PA002957, 2016
  6. Potential tropical Atlantic impacts on Pacific decadal climate trends, Y Chikamoto, T Mochizuki, A Timmermann, M Kimoto, M Watanabe, Geophysical Research Letters 43, 10.1002/2016GL069544, 2016
  7. The climate response of the Indo‐Pacific warm pool to glacial sea level, PN Di Nezio, A Timmermann, JE Tierney, FF Jin, B Otto‐Bliesner, Paleoceanography, DOI: 10.1002/2015PA002890, 2016
  8. Reply to “Comments on Combination Mode Dynamics of the Anomalous Northwest Pacific Anticyclone”, MF Stuecker, FF Jin, A Timmermann, S McGregor J. Climatehttp://dx.doi.org/10.1175/JCLI-D-15-0558, 2016
  9. Late Pleistocene climate drivers of early human migration A Timmermann, To. Friedrich, Nature, doi: 10.1038/nature19365, 2016
  10. Mixed-Mode Oscillations of El Niño–Southern Oscillation A Roberts, J Guckenheimer, E Widiasih, A Timmermann, CKRT Jones Journal of the Atmospheric Sciences 73, 1755-1766, 2016
  11. Volcanic eruptions boost tropical Pacific biological productivity MO Chikamoto, A Timmermann, M Yoshimori, L F., A Laurian, Geophysical Research Letter 43, 10.1002/2015GL067359, 2016
  12. Millennial to orbital-scale variations of drought intensity in the Eastern Mediterranean M Stockhecke, A Timmermann, R Kipfer, GH Haug, O Kwiecien Quaternary Science Reviews 133, 77-95, 2016
  13. Charging El Niño with off-equatorial westerly wind events S McGregor, A Timmermann, FF Jin, WS Kessler Climate Dynamics 45, DOI 10.1007/s00382-015-2891-8, 2015
  14. The El Nino-Southern Oscillation frequency cascade, MF Stuecker F -F Jin, and A TimmermannProceedings of the National Academy of Sciences, 112, doi:10.1073/pnas.1508622112 2015
  15. Abrupt onset and prolongation of aragonite undersaturation events in the Southern Ocean, C Hauri, T Friedrich, A TimmermannNature Climate Change, 5, doi:10.1038/NCLIMATE2844, 2015
  16. Future extreme sea level seesaws in the tropical Pacific, M Widlansky, A Timmermann, W Cai, Science Advances 1 (8), doi:10.1126/sciadv.1500560,  2015
  17. An Atlantic-Pacific ventilation seesaw across the last deglaciation, E Freeman, LC Skinner, A Tisserand, T Dokken, A Timmermann, Earth and Planetary Science Letters 424, 237-244, 2015
  18. Skilful multi-year predictions of tropical trans-basin climate variability, Y Chikamoto, A Timmermann, JJ Luo, T Mochizuki, M Kimoto, Nature Communications, doi: 10.1038/ncomms7869, 2015
  19.  The response of ENSO flavors to mid-Holocene climate: Implications for proxy interpretation, C Karamperidou, PM Di Nezio, A Timmermann, FF Jin, KM Cobb, Paleoceanography, 30, doi, 10.1002/2014PA002742, 2015
  20.  Combination Mode Dynamics of the Anomalous Northwest Pacific Anticyclone, MF Stuecker, FF Jin, A Timmermann, S McGregor, Journal of Climate 28 (3), 1093-1111, 3, 2015
  21. Decadal predictability of soil water, vegetation, and wildfire frequency over North America, Y Chikamoto, A Timmermann, S Stevenson, P DiNezio, S Langford, Climate Dynamics, 5, doi: 10.1007/s00382-015-2469-5, 2015
  22. Abrupt changes in the southern extent of North Atlantic DeepWater during Dansgaard-Oeschger events, J Gottschalk, LC Skinner, S Misra, C Waelbroeck, L Menviel, A. TimmermannNature Geoscience, doi:10.1038/ngeo2558, 2015
  23. Mechanisms rectifying the annual mean response of tropical Atlantic rainfall to precessional forcing, M Tigchelaar, A Timmermann, Climate Dynamics, doi: 10.1007/s00382-015-2835-3, 2015
  24. Tropospheric Biennial Oscillation (TBO) indistinguishable from white noise, M Stuecker, A Timmermann, J Yoon, FF Jin, Geophysical Research Letters, doi:10.1002/2015GL065878, 2015
  25. ENSO and greenhouse warming, Wenju Cai, Agus Santoso, Guojian Wang, Sang-Wook Yeh, Soon-Il An, Kim M. Cobb, Mat Collins, Eric Guilyardi, Fei-Fei Jin, Jong-Seong Kug, Matthieu Lengaigne, Michael J. McPhaden, Ken Takahashi, Axel Timmermann, Gabriel Vecchi, Masahiro Watanabe, Lixin Wu, Nature Climate Change 5, 849-859, 2015
  26. Increased frequency of extreme La Niña events under greenhouse warming, W Cai, G Wang, A Santoso, MJ McPhaden, L Wu, FF Jin, A Timmermann, M Collins, G Vecchi, M Lengaigne, MH England, D Dommenget, K Takahashi and E Guilyardi, Nature Climate Change, DOI: 10.1038/NCLIMATE2492, 2014 
  27. The Holocene temperature conundrum, Z Liu, J Zhu, Y Rosenthal, X Zhang, BL Otto-Bliesner, A TimmermannProceedings of the National Academy of Sciences 111 (34), E3501-E3505, 2014
  28. Evolution and Forcing Mechanisms of El Niño over the Last 21,000, Z Liu, Z Lu, X Wen, BL Otto-Bliesner, A Timmermann, K. M. CobbNature, 515, 550-553, 2014.
  29. Millennial-scale Atlantic/East Pacific sea surface temperature linkages during the last 100,000 years, N Dubois, M Kienast, SS Kienast, A Timmermann, Earth and Planetary Science Letters 396, 134-142, 2014
  30. Assessing divergent SST behavior during the last 21 ka derived from alkenones and G. ruber Mg/Ca in the Equatorial PacificA Timmermann, J Sachs, O Elison Timm, Paleoceanography, DOI: 10.1002/2013PA002598, 2014
  31. Millennial-scale variability in Antarctic ice-sheet discharge during the last deglaciation, ME Weber, PU Clark, G Kuhn, A Timmermann, D Sprenk, R Gladstone, Nature 510, 134-138, 2014
  32. The role of soil processes in δ18O terrestrial climate proxies, LC Kanner, NH Buenning, LD Stott, A Timmermann, D Noone, Global Biogeochemical Cycles 28 (3), 239-252, 2014
  33. Recent intensification of wind-driven circulation in the Pacific and the ongoing warming hiatus, MH England, S McGregor, P Spence, GA Meehl, A Timmermann, W Cai, Nature Climate Change 4 (3), 222-227, 2014
  34. Modeling Obliquity and CO2 Effects on Southern Hemisphere Climate during the Past 408 kaA Timmermann, T Friedrich, OE Timm, MO Chikamoto, A Abe-Ouchi, Journal of Climate 27 (5), 1863-1875, 2014
  35. CO2 radiative forcing and Intertropical Convergence Zone influences on western Pacific warm pool climate over the past 400 ka, K Tachikawa, A Timmermann, L Vidal, C Sonzogni, OE Timm, Quaternary Science Reviews 86, 24-34, 2014
  36. Using palaeo-climate comparisons to constrain future projections in CMIP5, GA Schmidt, JD Annan, PJ Bartlein, BI Cook, E Guilyardi, JC Hargreaves, SP Harrison, M Kageyama, AN LeGrande, B Konecky, S Lovejoy, ME Mann, V Masson-Delmotte, C Risi, D Thompson, A Timmermann, LB Tremblay, and P Yiou, Climate of the Past 10 (1), 221-250, 2014
  37. Deglacial ice/sheet meltdown: orbital pacemaking and CO2 effects, M Heinemann, A Timmermann, OE Timm, F Saito, A Abe-Ouchi, Climate of the Past 10, 1567–1579, 2014
  38. An interhemispheric tropical sea level seesaw due to El Niño Taimasa, MJ Widlansky, A Timmermann, S McGregor, MF Stuecker, W Cai, Journal of Climate 27 (3), 1070-1081, 2014
  39. Dynamics of the Atlantic meridional overturning circulation. Part 2: Forcing by winds and buoyancy, F Schloesser, R Furue, JP McCreary, A Timmermann, Progress in Oceanography 120, 154-176, 2014
  40. Increasing frequency of extreme El Niño events due to greenhouse warming, W Cai, S Borlace, M Lengaigne, P Van Rensch, M Collins, G Vecchi, A TimmermannNature Climate Change 4, 111-116, 2014
  41. Hindcasting the continuum of Dansgaard/Oeschger variability: mechanisms, patterns and timing, L Menviel, A Timmermann, T Friedrich, MH England, Climate of the Past 10 (1), 63-77, 2014
  42. Recent Walker circulation strengthening and Pacific cooling amplified by Atlantic warming, S McGregor, A Timmermann, MF Stuecker, MH England, M Merrifield, Nature Climate Change 4, doi:10.1038/nclimate2330, 2014
  43. ENSO seasonal synchronization theory, K Stein, A Timmermann, N Schneider, FF Jin, MF Stuecker, Journal of Climate, 27, 5285–5310, 2014
  44. Improved Representation of Tropical Pacific Ocean/Atmosphere Dynamics in an Intermediate Complexity Climate Model, RL Sriver, A Timmermann, ME Mann, K Keller, H Goosse, Journal of Climate 27 (1), 168-185, 2014
  45. Near collapse of the meridional SST gradient in the eastern equatorial Pacific during Heinrich Stadial 1, SS Kienast, T Friedrich, N Dubois, PS Hill, A Timmermann, AC Mix, , Paleoceanography 28 (4), 663-674, 2013
  46. Zonal phase propagation of ENSO sea surface temperature anomalies: Revisited, J Boucharel, A Timmermann, FF Jin Geophysical Research Letters 40 (15), 4048-4053, 2013
  47. Information from paleoclimate archives. In Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate ChangeV Masson-Delmotte, M Schulz, A Abe-Ouchi, J Beer, A Ganopolski, JF González Rouco, E Jansen, K Lambeck, J Luterbacher, T Naish, T Osborn, B Otto-Bliesner, T Quinn, R Ramesh, M Rojas, X Shao, and A Timmermann, 2013:. T.F. Stocker, D. Qin, G.-K. Plattner, M. Tignor, S.K. Allen, J. Doschung, A. Nauels, Y. Xia, V. Bex, and P.M. Midgley, Eds. Cambridge University Press, 383-464, doi::10.1017/CBO9781107415324.013.
  48. Inferred changes in El Niño-Southern Oscillation variance over the past six centuries, S McGregor, A Timmermann, MH England, O Elison Timm, AT Wittenberg, Climate of the Past 9 2269-2284, 2013.
  49. A combination mode of the annual cycle and the El Niño/Southern Oscillation, MF Stuecker, A Timmermann, FF Jin, S McGregor, HL Ren, Nature Geoscience, 6, 540–544, 2013
  50. 37. Estimated strength of the Atlantic overturning circulation during the last deglaciation, SP Ritz, TF Stocker, JO Grimalt, L Menviel, A TimmermannNature Geoscience, 6, 208–212, 2013
  51. Links between tropical rainfall and North Atlantic climate during the last glacial period, G Deplazes, A Lueckge, LC Peterson, A Timmermann, Y Hamann, KA Hughen, Nature Geoscience, 6, 213–217 ,2013
  52. Changes in South Pacific rainfall bands in a warming climate, MJ Widlansky, A Timmermann, K Stein, S McGregor, N Schneider, MH England, Nature Climate Change, 3, 417–423 , 2012
  53. Millennial-scale glacial meltwater pulses and their effect on the spatiotemporal benthic d18O variability, T Friedrich, A Timmermann, Paleoceanography 27 (3), doi: 10.1029/2012PA002330, 2012
  54. Dynamics of the Atlantic meridional overturning circulation. Part 1: Buoyancy-forced response, F Schloesser, R Furue, JP McCreary Jr, A Timmermann, Progress in Oceanography 101 (1), 33-62, 2012
  55. More extreme swings of the South Pacific convergence zone due to greenhouse warming, W Cai, M Lengaigne, S Borlace, M Collins, T Cowan, MJ McPhaden, A Timmermann , Nature 488 (7411), 365-369,  2012
  56. The Effect of the South Pacific Convergence Zone on the Termination of El Niño Events and the Meridional Asymmetry of ENSO, S McGregor, A Timmermann, N Schneider, MF Stuecker, MH England, Journal of Climate 25 (16), 5566-5586, 2012
  57. Role of the Bering Strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability, A Hu, GA Meehl, W Han, A Timmermann, B Otto-Bliesner, Z Liu, WM Washington , Proceedings of the National Academy of Sciences 109 (17), 6417-6422, 2012
  58. Climate change dynamics of present and past in the North Pacific and its northern marginal seas, N Harada, K Takahashi, A Timmermann, T Sakamoto, Deep Sea Research Part II: Topical Studies in Oceanography 61, 1-3, 2012
  59. Sea surface temperature changes in the Okhotsk Sea and adjacent North Pacific during the last glacial maximum and deglaciation, N Harada, M Sato, O Seki, A Timmermann, H Moossen, J Bendle, Y Nakamura, K , Deep Sea Research Part II: Topical Studies in Oceanography 61, 93-105, 2012
  60. Variability in North Pacific intermediate and deep water ventilation during Heinrich events in two coupled climate models, MO Chikamoto, L Menviel, A Abe-Ouchi, R Ohgaito, A Timmermann, Y Okazaki, N , Deep Sea Research Part II: Topical Studies in Oceanography 61, 114-126, 2012
  61. Removing the North Pacific halocline: effects on global climate, ocean circulation and the carbon cycle, L Menviel, A Timmermann, O Elison Timm, A Mouchet, A Abe-Ouchi, MO Chikamoto , Deep Sea Research Part II: Topical Studies in Oceanography 61, 106-113, 2012
  62. Quantifying the ocean's role in glacial CO2 reductions, MO Chikamoto, A Abe-Ouchi, A Oka, R Ohgaito, A Timmermann, Climate of the Past 8 (2), 545-563, 2012
  63. Regional Patterns of Tropical Indo-Pacific Climate Change: Evidence of the Walker Circulation Weakening, H Tokinaga, SP Xie, A Timmermann, S McGregor, T Ogata, H Kubota, YM Okumura, Journal of Climate 25 (5), 1689-1710, 2012
  64. Enhanced warming over the global subtropical western boundary currents, L Wu, W Cai, L Zhang, H Nakamura, A Timmermann, T Joyce, MJ McPhaden, M  Nature Climate Change 2 (3), 161-166, 2012
  65. Detecting regional anthropogenic trends in ocean acidification against natural variability, T Friedrich, A Timmermann, A Abe-Ouchi, NR Bates, MO Chikamoto, MJ Church , Nature Climate Change 2 (3), 167-171, 2012
  66. Impacts of ocean gateway and basin width on tertiary tropical climate variability in a prototype model, SI An, JH Park, BM Kim, A Timmermann, FF Jin, Theoretical and Applied Climatology 107 (1-2), 155-164, 2012
  67. The effect of topography-enhanced diapycnal mixing on ocean and atmospheric circulation and marine biogeochemistry, T Friedrich, A Timmermann, T Decloedt, DS Luther, A Mouchet, Ocean Modelling 39 (3), 262-274, 2011
  68. Phase synchronization of the El Niño-Southern Oscillation with the annual cycle, K Stein, A Timmermann, N Schneider, Physical Review Letters 107 (12), 128501, 2011
  69. Reduced interannual rainfall variability in East Africa during the last ice age, C Wolff, GH Haug, A Timmermann, JSS Damst_, A Brauer, DM Sigman, MA Cane, D , Science 333 (6043), 743-747, 2011
  70. Evidence for 800years of North Atlantic multi-decadal variability from a Puerto Rican speleothem, A Winter, T Miller, Y Kushnir, A Sinha, A Timmermann, MR Jury, C Gallup, H , Earth and Planetary Science Letters 308 (1), 23-28, 2011
  71. Deconstructing the Last Glacial termination: the role of millennial and orbital-scale forcings, L Menviel, A Timmermann, OE Timm, A Mouchet, Quaternary Science Reviews 30 (9), 1155-1172, 2011
  72. The effect of explosive tropical volcanism on ENSO, S McGregor, A Timmermann, Journal of Climate 24 (8), 2178-2191, 2011
  73. Interactions between marine biota and ENSO: a conceptual model analysis, M Heinemann, A Timmermann, U Feudel, Nonlinear Processes in Geophysics 18 (1), 29-40, 2011
  74. Hypothesized link between glacial/interglacial atmospheric CO2 cycles and storage/release of CO2-rich fluids from deep-sea sediments, L Stott, A Timmermann, Geophysical Monograph Series 193, 123-138, 2011
  75. Promotion of glacial ice sheet buildup 60?115 kyr BP by precessionally paced Northern Hemispheric meltwater pulsesA Timmermann, J Knies, OE Timm, A Abe-Ouchi, T Friedrich, Paleoceanography 25 (4), 2010
  76. Climate and biogeochemical response to a rapid melting of the West Antarctic Ice Sheet during interglacials and implications for future climate, L Menviel, A Timmermann, OE Timm, A Mouchet, Paleoceanography 25 (4), 2010
  77. Geochemical and climate modeling evidence for Holocene aridification in Hawaii: dynamic response to a weakening equatorial cold tongue, J Uchikawa, BN Popp, JE Schoonmaker, A Timmermann, SJ Lorenz, Quaternary Science Reviews 29 (23), 3057-3066, 2010
  78. Seasonal Synchronization of ENSO Events in a Linear Stochastic Model, K Stein, N Schneider, A Timmermann, FF Jin, Journal of Climate 23 (21), 5629-5643, 2010
  79. Warming seas in the Coral Triangle: coral reef vulnerability and management implications, E McLeod, R Moffitt, A Timmermann, R Salm, L Menviel, MJ Palmer, ER Selig , Coastal Management 38 (5), 518-539, 2010
  80. The mechanism behind internally generated centennial-to-millennial scale climate variability in an earth system model of intermediate complexity, T Friedrich, A Timmermann, L Menviel, O Elison Timm, A Mouchet, DM Roche, Geoscientific Model Development 3 (2), 377-389, 2010
  81. Wind effects on past and future regional Sea level trends in the Southern Indo-PacificA Timmermann, S McGregor, FF Jin, Journal of Climate 23 (16), 4429-4437, 2010
  82. Deepwater formation in the North Pacific during the last glacial termination, Y Okazaki, A Timmermann, L Menviel, N Harada, A Abe-Ouchi, MO Chikamoto, A , Science 329 (5988), 200-204, 2010
  83. Early Pliocene increase in thermohaline overturning: A precondition for the development of the modern equatorial Pacific cold tongue, S Steph, R Tiedemann, M Prange, J Groeneveld, M Schulz, A Timmermann, D , Paleoceanography 25 (2), 2010
  84. The impact of global warming on the tropical Pacific Ocean and El Niño, M Collins, SI An, W Cai, A Ganachaud, E Guilyardi, FF Jin, M Jochum, M Lengaigne, S Power, A TimmermannNature Geoscience 3 (6), 391-397, 2010
  85. Reconstructing surface temperature changes over the past 600 years using climate model simulations with data assimilation, H Goosse, E Crespin, A de Montety, ME Mann, H Renssen, A Timmermann, Journal of Geophysical Research 115 (D9), D09108, 2010
  86. Mechanisms for the Onset of the African Humid Period and Sahara Greening 14.5-11 ka BP, Timm, P Koehler, A Timmermann, L Menviel, Journal of Climate 23 (10), 2612-2633, 2010
  87. Impact of diurnal atmosphere-ocean coupling on tropical climate simulations using a coupled GCM, YG Ham, JS Kug, IS Kang, FF Jin, A Timmermann, Climate Dynamics 34 (6), 905-917, 2010
  88. The inverse effect of annual-mean state and annual-cycle changes on ENSO, SI An, YG Ham, JS Kug, A Timmermann, J Choi, IS Kang, Journal of Climate 23 (5), 1095-1110, 2010
  89. Towards a quantitative understanding of millennial-scale Antarctic warming eventsA Timmermann, L Menviel, Y Okumura, A Schilla, U Merkel, O Timm, A Hu, B , Quaternary Science Reviews 29 (1), 74-85, 2010
  90. A unified proxy for ENSO and PDO variability since 1650, S McGregor, A Timmermann, O Timm, Climate of the Past 6 (1), 1-17, 2010
  91. Orbital modulation of millennial-scale climate variability in an earth system model of intermediate complexity, T Friedrich, A Timmermann, O Timm, A Mouchet, DM Roche, Climate of the Past Discussions 5 (4), 2019-2051, 2009
  92. What Drives Climate Flip-Flops?, A Timmermann, L Menviel, Science 325 (5938), 273-274, 2009
  93. Effects of biologically induced differential heating in an eddy/permitting coupled ocean-ecosystem model, U Loeptien, C Eden, A Timmermann, H Dietze, Journal of Geophysical Research: Oceans (1978-2012) 114 (C6) , 2009
  94. Radiocarbon age anomaly at intermediate water depth in the Pacific Ocean during the last deglaciation, L Stott, J Southon, A Timmermann, A Koutavas, Paleoceanography 24 (2), doi: 10.1029/2008PA001690, 2009
  95. The Roles of CO2 and Orbital Forcing in Driving Southern Hemispheric Temperature Variations during the Last 21 000 YrA Timmermann, O Timm, L Stott, L Menviel, Journal of Climate 22 (7), 1626-1640, 2009
  96. North Pacific climate response to freshwater forcing in the subarctic North Atlantic: Oceanic and atmospheric pathways, YM Okumura, C Deser, A Hu, A Timmermann, SP Xie, Journal of Climate 22 (6), 1424-1445, 2009
  97. A mid-Holocene transition in the nitrogen dynamics of the western equatorial Pacific: Evidence of a deepening thermocline? M Kienast, MF Lehmann, A Timmermann, E Galbraith, T Bolliet, A Holbourn, C , Geophysical Research Letters 35 (23), L23610, 2008
  98. Climate and marine carbon cycle response to changes in the strength of the Southern Hemispheric westerlies, L Menviel, A Timmermann, A Mouchet, O Timm, Paleoceanography 23 (4), 2008
  99. Influences of Atlantic Climate Change on the Tropical Pacific via the Central American Isthmus, SP Xie, Y Okumura, T Miyama, A Timmermann, Journal of Climate 21 (15), 3914-3928, 2008
  100. On the definition of seasons in paleoclimate simulations with orbital forcing, Timm, A Timmermann, A Abe-Ouchi, F Saito, T Segawa, Paleoceanography 23 (2), PA2221, 2008
  101. Meridional reorganizations of marine and terrestrial productivity during Heinrich events, L Menviel, A Timmermann, A Mouchet, O Timm, Paleoceanography 23 (1), 2008
  102. Effects of Salt Compensation on the Climate Model Response in Simulations of Large Changes of the Atlantic Meridional Overturning Circulation, TF Stocker, A Timmermann, M Renold, O Timm, Journal of Climate 20 (24), 5912-5928, 2007
  103. Eastern tropical Pacific hydrologic changes during the past 27,000 years from D/H ratios in alkenones, K Pahnke, JP Sachs, L Keigwin, A Timmermann, SP Xie, Paleoceanography 22 (4), 2007
  104. Southern hemisphere and deep-sea warming led deglacial atmospheric CO2 rise and tropical warming, L Stott, A Timmermann, R Thunell, Science 318 (5849), 435-438, 2007
  105. Tropical air-sea interactions accelerate the recovery of the Atlantic meridional overturning circulation after a major shutdown, U Krebs, A Timmermann, Journal of Climate 20 (19), 4940-4956 , 2007
  106. The influence of a weakening of the Atlantic meridional overturning circulation on ENSO, A Timmermann, Y Okumura, SI An, A Clement, B Dong, E Guilyardi, A Hu, JH , Journal of Climate 20 (19), 4899-4919, 2007
  107. Simulation of the Last 21 000 Years Using Accelerated Transient Boundary Conditions, Timm, A Timmermann, Journal of Climate 20 (17), 4377-4401, 2007
  108. The effect of orbital forcing on the mean climate and variability of the tropical Pacific, A Timmermann, SJ Lorenz, SI An, A Clement, SP Xie, Journal of Climate 20 (16), 4147-4159, 2007
  109.  Modulation of the bipolar seesaw in the Southeast Pacific during Termination 1, F Lamy, J Kaiser, HW Arz, D Hebbeln, U Ninnemann, O Timm, A Timmermann, JR , Earth and Planetary Science Letters 259 (3), 400-413, 2007
  110.  Fast advective recovery of the Atlantic meridional overturning circulation after a Heinrich event, U Krebs, A Timmermann, Paleoceanography 22 (1), doi: 10.1029/2005PA001259, 2007
  111.  The Influence of ENSO on the Generation of Decadal Variability in the North Pacific, SI An, JS Kug, A Timmermann, IS Kang, O Timm, Journal of Climate 20 (4), 667-680, 2007
  112.  Ensemble-mean dynamics of the ENSO recharge oscillator under state-dependent stochastic forcing, FF Jin, L Lin, A Timmermann, J Zhao, Geophysical Research Letters 34 (3), 2007
  113. Using paleoclimate proxy-data to select optimal realisations in an ensemble of simulations of the climate of the past millennium, H Goosse, H Renssen, A Timmermann, RS Bradley, ME Mann, Climate Dynamics 27 (2-3), 165-184, 2006
  114. Sub-Milankovitch cycles in periplatform carbonates from the early Pliocene Great Bahama Bank, L Reuning, JJG Reijmer, C Betzler, A Timmermann, S Steph, Paleoceanography 21 (1), 2006
  115. Predictability of coupled processesA Timmermann, FF Jin, Predictability of Weather and Climate, 251-274, 2006
  116. An initial intercomparison of atmospheric and oceanic climatology for the ICE-5G and ICE-4G models of LGM paleotopography, F Justino, A Timmermann, U Merkel, WR Peltier, Journal of Climate 19 (1), 3-14, 2006
  117. The origin of the" European Medieval Warm Period", H Goosse, O Arzel, J Luterbacher, ME Mann, H Renssen, N Riedwyl, A Timmermann, E Xoplaki, H Wanner, Climate of the Past 2, 99-113, 2006
  118. Mechanisms for millennial-scale global synchronization during the last glacial periodA Timmermann, U Krebs, F Justino, H Goosse, T Ivanochko, Paleoceanography 20 (4), doi: 10.1029/2004PA0010902005, 2005
  119. Synoptic Reorganization of Atmospheric Flow during the Last Glacial Maximum, F Justino, A Timmermann, U Merkel, EP Souza, Journal of climate 18 (15), 2826-2846, 2005
  120. ENSO Suppression due to Weakening of the North Atlantic Thermohaline CirculationA Timmermann, SI An, U Krebs, H Goosse, Journal of Climate 18 (16), 3122-3139, 2005
  121. Internal and forced climate variability during the last millennium: a model-data comparison using ensemble simulations, H Goosse, H Renssen, A Timmermann, RS Bradley, Quaternary Science Reviews 24 (12), 1345-1360, 2005
  122. Biophysical feedbacks in the tropical Pacific, B Marzeion, A Timmermann, R Murtugudde, FF Jin, Journal of Climate 18 (1), 58-70, 2005
  123. An organizing center for thermohaline excitability, J Abshagen, A Timmermann, Journal of Physical Oceanography 34 (12), 2756-2760, 2004
  124. Modeling evidence for enhanced El Niño-Southern Oscillation amplitude during the Last Glacial Maximum, SI An, A Timmermann, L Bejarano, FF Jin, F Justino, Z Liu, AW Tudhope,Paleoceanography 19 (4), 2004
  125. Glacial-interglacial contrast in climate variability at centennial-to-millennial timescales: observations and conceptual model, M Schulz, A Paul, A Timmermann, Quaternary Science Reviews 23 (20), 2219-2230, 2004
  126. Nonlinear dimensionality reduction in climate data, AJ Gamez, CS Zhou, A Timmermann, J Kurths, Nonlinear Processes in Geophysics 11 (3), 393-398, 2004
  127. Surface temperature control in the North and tropical Pacific during the last glacial maximumA Timmermann, F Justino, FF Jin, U Krebs, H Goosse, Climate dynamics 23 (3-4), 353-370, 2004
  128. Strong hemispheric coupling of glacial climate through freshwater discharge and ocean circulation, R Knutti, J Flueckiger, TF Stocker, A TimmermannNature 430 (7002), 851-856, 2004
  129. The influence of the Galapagos Islands on tropical temperatures, currents and the generation of tropical instability waves, C Eden, A Timmermann, Geophysical Research Letters 31 (15), 2004
  130. Intensification of the annual cycle in the tropical Pacific due to greenhouse warming, A Timmermann, FF Jin, M Collins, Geophysical Research Letters 31 (12), 2004
  131. Is the wind stress forcing essential for the meridional overturning circulation?, A Timmermann, H Goosse, Geophysical Research Letters 31 (4), 2004
  132.  Coherent resonant millennial-scale climate oscillations triggered by massive meltwater pulsesA Timmermann, H Gildor, M Schulz, E Tziperman, Journal of Climate 16 (15), 2569-2585, 2003
  133. Decadal ENSO amplitude modulations: A nonlinear paradigmA Timmermann, Global and Planetary Change 37 (1), 135-156, 2003
  134. Potential feedbacks between Pacific Ocean ecosystems and interdecadal climate variations, AJ Miller, MA Alexander, GJ Boer, F Chai, K Denman, DJ Erickson III, R Frouin, A. Gabruc, EA Laws, MR Lewis, Z Liu, R Murtugudde, S Nakamoto, DJ Neilson, JR Norris, JC Ohlmann, RI Perry, N Schneider, KM Shell, A Timmermann, Bulletin of the American Meteorological Society 84 (5), 617-633, 2003
  135. Strong El Niño events and nonlinear dynamical heating, FF Jin, SI An, A Timmermann, J Zhao, Geophysical research letters 30 (3), 20-1-20-1, 2003
  136. Cyclic Markov Chains with an Application to ENSO Predictability, R Pasmanter, A Timmermann, Nonlinear Processes Geophysics, 201-214, 2003
  137. A nonlinear theory for El Niño burstingA Timmermann, FF Jin, J Abshagen, Journal of the Atmospheric Sciences 60 (1), 152-165, 2003
  138. Relaxation oscillators in concert: A framework for climate change at millennial timescales during the late Pleistocene, M Schulz, A Paul, A Timmermann, Geophysical Research Letters 29 (24), 2193, 2002
  139. Phytoplankton influences on tropical climateA Timmermann, FF Jin, Geophysical Research Letters 29 (23), 2104, 2002
  140. Comments on “Noise-induced transitions in a simplified model of the thermohaline circulation” AH Monahan, A Timmermann, G Lohmann, Journal of Physical Oceanography 32 (3), 1112-1116, 2002
  141. A nonlinear mechanism for decadal El Niño amplitude changes, A Timmermann, FF Jin, Geophysical Research Letters 29 (1), 1003, 2002
  142. Empirical dynamical system modeling of ENSO using nonlinear inverse techniquesA Timmermann, HU Voss, R Pasmanter, Journal of Physical Oceanography 31 (6), 1579-1598, 2001
  143. Changes of ENSO stability due to greenhouse warmingA Timmermann, Geophysical Research Letters 28 (10), 2061-2064, 2001
  144. . Noise-induced transitions in a simplified model of the thermohaline circulationA Timmermann, G Lohmann, Journal of Physical Oceanography 30 (8), 1891-1900, 2000
  145. Modes of climate variability as simulated by a coupled general circulation model. Part I: ENSO-like climate variability and its low-frequency modulation, A Timmermann, M Latif, A Groetzner, R Voss, Climate Dynamics 15 (8), 605-618, 1999
  146.  Interannual to decadal predictability in a coupled ocean-atmosphere general circulation model, A Groetzner, M Latif, A Timmermann, R Voss, Journal of Climate 12 (8), 2607-2624, 1999
  147.  Detecting the nonstationary response of ENSO to greenhouse warming, A Timmermann, Journal of the Atmospheric Sciences 56 (14), 2313-2325, 1999
  148.  Increased El Niño frequency in a climate model forced by future greenhouse warmingA Timmermann, J Oberhuber, A Bacher, M Esch, M Latif, E Roeckner, Nature 398 (6729), 694-697, 1999
  149.  Northern hemispheric interdecadal variability: a coupled air-sea modeA Timmermann, M Latif, R Voss, A Groetzner, Journal of Climate 11 (8), 1906-1931, 1998
  150.  Thermal photon production in heavy-ion collisions, N Arbex, U Ornik, M Pluemer, A Timmermann, RM Weiner, Physics Letters B 345 (3), 307-312, 1995
  151.  Photon interferometry of quark-gluon dynamics reexaminedA Timmermann, M Pluemer, L Razumov, RM Weiner, Physical Review C 5