Gary Shaffer

Gary Shaffer

Professor emeritus


  1. 2021
  2. Published

    Impacts of Changes in Atmospheric O2 on Human Physiology. Is There a Basis for Concern?

    Keeling, R. F., Powell, F. L., Shaffer, Gary, Robbins, P. A. & Simonson, T. S., 2 Mar 2021, In: Frontiers in Physiology. 12, 16 p., 571137.

    Research output: Contribution to journalReviewResearchpeer-review

  3. Published

    Regional patterns and temporal evolution of ocean iron fertilization and CO2 drawdown during the last glacial termination

    Lambert, F., Opazo, N., Ridgwell, A., Winckler, G., Lamy, F., Shaffer, Gary, Kohfeld, K., Ohgaito, R., Albani, S. & Abe-Ouchi, A., 15 Jan 2021, In: Earth and Planetary Science Letters. 554, 9 p., 116675.

    Research output: Contribution to journalLetterResearchpeer-review

  4. 2020
  5. Published

    Is there warming in the pipeline? A multi-model analysis of the Zero Emissions Commitment from CO2

    MacDougall, A. H., Frolicher, T. L., Jones, C. D., Rogelj, J., Matthews, H. D., Zickfeld, K., Arora, V. K., Barrett, N. J., Brovkin, V., Burger, F. A., Eby, M., Eliseev, A., Hajima, T., Holden, P. B., Jeltsch-Thommes, A., Koven, C., Mengis, N., Menviel, L., Michou, M., Mokhov, I. I., Oka, A., Schwinger, J., Seferian, R., Shaffer, Gary, Sokolov, A., Tachiiri, K., Tjiputra, J., Wiltshire, A. & Ziehn, T., 15 Jun 2020, In: Biogeosciences. 17, 11, p. 2987-3016 30 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    The Magnitude of Surface Ocean Acidification and Carbon Release During Eocene Thermal Maximum 2 (ETM-2) and the Paleocene-Eocene Thermal Maximum (PETM)

    Harper, D. T., Hönisch, B., Zeebe, R. E., Shaffer, Gary, Haynes, L. L., Thomas, E. & Zachos, J. C., 1 Feb 2020, In: Paleoceanography and Paleoclimatology. 35, 2, 18 p., e2019PA003699.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 2018
  8. Published

    In and out of glacial extremes by way of dust-climate feedbacks

    Shaffer, Gary & Lambert, F., 27 Feb 2018, In: Proceedings of the National Academy of Sciences of the United States of America. 115, 9, p. 2026-2031

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. 2017
  10. Published

    Implementation of methane cycling for deep-time global warming simulations with the DCESS Earth system model (version 1.2)

    Shaffer, Gary, Fernandez Villanueva, E., Rondanelli, R., Pedersen, J. O. P., Olsen, S. M. & Huber, M., 10 Nov 2017, In: Geoscientific Model Development. 10, 11, p. 4081-4103

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    An improved land biosphere module for use in the DCESS Earth system model (version 1.1) with application to the last glacial termination

    Eichinger, R., Shaffer, Gary, Albarran, N., Rojas, M. & Lambert, F., 22 Sep 2017, In: Geoscientific Model Development. 10, 9, p. 3481-3498

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Assessing the Impact of Retreat Mechanisms in a Simple Antarctic Ice Sheet Model Using Bayesian Calibration

    Ruckert, K. L., Shaffer, Gary, Pollard, D., Guan, Y., Wong, T. E., Forest, C. E. & Keller, K., 12 Jan 2017, In: PLOS ONE. 12, 1, e0170052.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. 2016
  14. Published

    Deep time evidence for climate sensitivity increase with warming

    Shaffer, Gary, Huber, M., Rondanelli, R. & Pedersen, J. O. P., 28 Jun 2016, In: Geophysical Research Letters. 43, 12, p. 6538-6545

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Regional Sea-Level Change along the Chilean Coast in the 21st Century

    Albrecht, F. & Shaffer, Gary, 11 Apr 2016, In: Journal of Coastal Research. 32, 6, p. 1322-1332

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. 2015
  17. Published

    Dust fluxes and iron fertilization in Holocene and Last Glacial Maximum climates

    Lambert, F., Tagliabue, A., Shaffer, Gary, Lamy, F., Winckler, G., Farias, L., Gallardo, L. & De Pol-Holz, R., 28 Jul 2015, In: Geophysical Research Letters (Online). 42, 14, p. 6014-6023

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. 2014
  19. Published

    Formulation, calibration and validation of the DAIS model (version 1), a simple Antarctic ice sheet model sensitive to variations of sea level and ocean subsurface temperature

    Shaffer, Gary, 1 Jan 2014, In: Geoscientific Model Development. 7, 4, p. 1803-1818

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. 2013
  21. Published

    Long-Term Climate Change Commitment and Reversibility: An EMIC Intercomparison

    Zickfeld, K., Eby, M., Weaver, A. J., Alexander, K., Crespin, E., Edwards, N. R., Elissev, A. V., Feulner, G., Fichefet, T., Forest, C. E. & Shaffer, Gary, 1 Aug 2013, In: Journal of Climate. 26, 16, p. 5782-5809

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Carbon dioxide and climate impulse response functions for the computation of greenhouse gas metrics: a multi-model analysis

    Joos, F., Roth, R., Fuglestvedt, J. S., Peters, G. P., Enting, I. G., von Bloh, W., Brovkin, V., Burke, E. J., Eby, M., Edwards, N. R., Friedrich, T. & Shaffer, Gary, 10 Jan 2013, In: Atmospheric Chemistry and Physics. 13, 5, p. 2793-2825

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Historical and idealized climate model experiments: an intercomparison of Earth system models of intermediate complexity

    Eby, M., Weaver, A. J., Alexander, K., Zickfeld, K., Abe-Ouchi, A., Cimatoribus, A. A., Crespin, E., Drijfhout, S. S., Edwards, N. R., Eliseev, A. V., Feulner, G., Fichefet, T., Forest, C. E., Goosse, H., Holden, P. B., Joos, F., Kawamiya, M., Kicklighter, D., Kienert, H., Matsumoto, K., Mokhov, I. I., Monier, E., Olsen, S. M., Pedersen, J. O. P., Perrette, M., Philippon-Berthier, G., Ridgwell, A., Schlosser, A., von Deimling, T. S., Shaffer, Gary, Smith, R. S., Spahni, R., Sokolov, A. P., Steinacher, M., Tachiiri, K., Tokos, K., Yoshimori, M., Zeng, N. & Zhao, F., 2 Jan 2013, In: Climate of the Past. 9, 3, p. 1111-1140

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. 2010
  25. Published

    Long-term effectiveness and consequences of carbon dioxide sequestration

    Shaffer, Gary, 1 Jul 2010, In: Nature Geoscience. 3, 7, p. 464-467 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. 2009
  27. Published

    Long time management of fossil fuel resources to limit global warming and avoid ice age onsets

    Shaffer, Gary, 2009, In: Geophysical Research Letters. 36, p. L03704

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Long-term ocean oxygen depletion in response to carbon dioxide emissions from fossil fuels

    Shaffer, Gary, Olsen, S. M. & Pedersen, J. O. P., 2009, In: Nature Geosciences. 2, 2, p. 105-109 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. 2005
  30. Published

    Ocean oxygen isotope constraints on mechanisms for millennial-scale climate variability

    Olsen, S. M., Shaffer, Gary & Bjerrum, Christian J., 2005, In: Paleoceanography. 20, p. 001063

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. 2004
  32. Published

    Circulation and variability in the Chile Basin

    Shaffer, Gary, Hormazabal, S., Pizarro, O. & Ramos, M., 2004, In: Deep Sea Research - Part I - Oceanographic Research Papers. 51, p. 1367-1386

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Coastal transition zone off Chile

    Hormazabal, S., Shaffer, Gary & Leth, O. K., 2004, In: Journal of Geophysical Research - Oceans. 109, p. C01021

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Hydrography of the eastern South Pacific Ocean: results from the sonne 102 cruise, May-June 1995

    Leth, O. K., Shaffer, Gary & Ulloa, O., 2004, In: Deep Sea Research - Part II - Topical Studies in Oceanography. 51, 20-21, p. 2349-2369

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Ocean subsurface warming as a mechanism for coupling Dansgaard-Oeschger climate cycles and ice-rafting events

    Shaffer, Gary, Olsen, S. M. & Bjerrum, Christian J., 2004, In: Geophysical Research Letters. 31, L24202, p. 1-4

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. 2002
  37. Published

    Dynamics of seasonal and interannual variability of the Peru-Chile undercurrent

    Pizarro, O., Shaffer, Gary, Dewitte, B. & Ramos, M., 2002, In: Geophysical Research Letters. 29, 12, p. 1581

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Tropical Pacific control of intraseasonal oscillation off Chile by way of oceanic and atmospheric pathways

    Hormazabal Fritz, S. E., Shaffer, Gary & Pizarro, O., 2002, In: Geophysical Research Letters. 29, no. 6, p. 10.1029/2001GL013481

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. 2001
  40. Published

    A numerical study of the seasonal variability in the circulation off central Chile

    Leth, O. K. & Shaffer, Gary, 2001, In: Journal of Geophysical Research - Oceans. Vol. 106, no. C10, p. 22, 229-22,248

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    Antarctic Intermediate Water mass formation in Ocean General Circulation Models

    Sørensen, J. V. T., Ribbe, J. & Shaffer, Gary, 2001, In: Journal of Physical Oceanography. 31, p. 3295-3311

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Coupled oscillationsin Antarctic sea ice and atmosphere in the South Pacific sector

    Venegas, S. A., Drinkwater, M. R. & Shaffer, Gary, 2001, In: Geophysical Research Letters. Vol. 28, no. 17, p. 3301-3304

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Local and remote forcing of sea surface temperature in the coastal upwelling system off Chile

    Hormazabal Fritz, S. E., Shaffer, Gary, Letelier, J. & Ulloa, O., 2001, In: Journal of Geophysical Research - Oceans. Vol. 106, no. C8, p. 16,657-16,671

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Millenial-scale climate variability controlled by vertical exchange in the ocean

    Shaffer, Gary, Olsen, S. M. & Bjerrum, Christian J., 2001.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  45. Published

    Sensitivity of the thermohaline circulation and climate to ocean exchanges in a simple coupled model

    Shaffer, Gary & Olsen, S. M., 2001, In: Climate Dynamics. 17, p. 433-444

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. 2000
  47. Published

    The international at-sea intercomparison of ƒCO2 system during the R/V Meteor Cruise 36/1 in the North Atlantic Ocean

    Körtzinger, A., Mintrop, L., Wallace, D. W. R., Johnson, K. M., Neill, C., Tilbrook, B., Towler, P., Inoue, H. Y., Ishii, M., Shaffer, Gary, Saavedra, R. F. T., Ohtaki, E., Yamashita, E., Poisson, A., Brunet, C., Schauer, B., Goyet, C. & Eischeid, G., 2000, In: Marine Chemistry. 72, p. 171-192

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Warming and circulation change in the eastern South Pacific Ocean

    Shaffer, Gary, Leth, O. K., Ulloa, O., Bendtsen, J., Daneri, G., Dellarossa, V., Hormazabal Fritz, S. E. & Sehlstedt, P. I., 2000, In: Geophysical Research Letters. Vol. 27, No. 9, p. 1247-1250

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. 1999
  50. Published

    Fractionation during remineralization of organic matter in the ocean

    Shaffer, Gary, Bendtsen, J. & Ulloa, O., 1999, In: Deep Sea Research - Part I - Oceanographic Research Papers. 46, p. 185-204

    Research output: Contribution to journalJournal articleResearch

  51. Published

    Seasonal and interannual variability of currents and temperature off central Chile

    Shaffer, Gary, Hormazabal Fritz, S. E., Pizarro, O. & Salinas, S., 1999, In: Journal of Geophysical Research - Oceans. Vol 104, No. C12, p. 29,951-29,961

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. 1998
  53. Published

    Wind-Driven, Coastal-Trapped Waves off the Island of Gotland, Baltic Sea

    Shaffer, Gary & Pizarro, O., 1998, In: Journal of Physical Oceanography. Volume 28, p. 2117-2129

    Research output: Contribution to journalJournal articleResearch

  54. 1997
  55. Published

    Cirkulation and Low-frequency Variability near the Chilean Coast: Remotely Forced Fluctuations during the 1991-92 El Niño

    Shaffer, Gary, Pizarro, O., Djurfeldt, L., Salinas, S. & Rutllant, J., 1997, In: Journal of physical Oceangraphy. Vol. 27, No. 2, p. 217-235

    Research output: Contribution to journalJournal articleResearch

  56. 1994
  57. Published

    Role of the Bering Strait in controlling North Atlantic ocean circulation and climate

    Shaffer, Gary & Bendtsen, J., 1994, In: Nature. Vol 357, 27. januar, p. 354-357

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 9143