Fudge, Tyler Jeffrey (T.J.)
Research Associate Professor, Earth and Space Sciences, University of Washington
University of Washington, Seattle, WA Earth and Space Sciences PHD 2013 University of Minnesota, Minneapolis, MN Concentration in Finance MBA 2007 University of Wyoming, Laramie, WY Geology MS 2005
Bowdoin College, Brunswick, ME Geology and Environmental Studies AB 2002
Academic Appointments
2024 – present Research Associate Professor, University of Washington 2017 – 2024 Research Assistant Professor, University of Washington
2013 – 2017 Postdoctoral Researcher, University of Washington
2007 – 2013 Graduate Research Assistant, University of Washington
Select Publications
- Fudge T, Markle B, Cuffey K, Buizert C, Taylor K, Steig E, Waddington E, Conway H,
Koutnik M. Variable relationship between accumulation and temperature in West Antarctica for the past 31,000 years. Geophysical Research Letters. 2016 April 28; 43(8):3795-3803. Available from: http://doi.wiley.com/10.1002/2016GL068356 DOI: 10.1002/2016GL068356 - Fudge T, Taylor K, Waddington E, Fitzpatrick J, Conway H. Electrical stratigraphy of the WAIS Divide ice core: Identification of centimeter‐scale irregular layering. Journal of Geophysical Research: Earth Surface. 2016 July 12; 121(7):1218-1229. Available from: https://onlinelibrary.wiley.com/doi/10.1002/2016JF003845 DOI: 10.1002/2016JF003845
- Fitzpatrick J, Voigt D, Fegyveresi J, Stevens N, Spencer M, Cole-Dai J, Alley R, Jardine G,
Cravens E, Wilen L, Fudge T, Mcconnell J. Physical properties of the WAIS Divide ice core. Journal of Glaciology. 2017 July 10; 60(224):1181-1198. Available from:
https://www.cambridge.org/core/product/identifier/S0022143000201706/type/journal_article DOI: 10.3189/2014JoG14J100 - Sigl M, Fudge T, Winstrup M, Cole-Dai J, Ferris D, McConnell J, Taylor K, Welten K,
Woodruff T, Adolphi F, Bisiaux M, Brook E, Buizert C, Caffee M, Dunbar N, Edwards R, Geng L, Iverson N, Koffman B, Layman L, Maselli O, McGwire K, Muscheler R, Nishiizumi K, Pasteris D, Rhodes R, Sowers T. The WAIS Divide deep ice core WD2014 chronology – Part 2: Annual-layer counting (0–31 ka BP). Climate of the Past. 2016 March 30; 12(3):769-786. Available from: https://cp.copernicus.org/articles/12/769/2016/ DOI: 10.5194/cp-12-769-2016 - Winski D, Fudge T, Ferris D, Osterberg E, Fegyveresi J, Cole-Dai J, Thundercloud Z, Cox T, Kreutz K, Ortman N, Buizert C, Epifanio J, Brook E, Beaudette R, Severinghaus J, Sowers T, Steig E, Kahle E, Jones T, Morris V, Aydin M, Nicewonger M, Casey K, Alley R, Waddington E, Iverson N, Dunbar N, Bay R, Souney J, Sigl M, McConnell J. The SP19 chronology for the South Pole Ice Core – Part 1: volcanic matching and annual layer counting. Climate of the Past. 2019 October 08; 15(5):1793-1808. Available from: https://cp.copernicus.org/articles/15/1793/2019/ DOI: 10.5194/cp-15-1793-2019
- Lilien D, Fudge T, Koutnik M, Conway H, Osterberg E, Ferris D, Waddington E, Stevens C. Holocene Ice‐Flow Speedup in the Vicinity of the South Pole. Geophysical Research Letters. 2018 July 06; 45(13):6557-6565. Available from:
https://onlinelibrary.wiley.com/doi/10.1029/2018GL078253 DOI: 10.1029/2018GL078253 - Fudge T, *Biyani S, Clemens‐Sewall D, Hawley R. Constraining Geothermal Flux at Coastal Domes of the Ross Ice Sheet, Antarctica. Geophysical Research Letters. 2019 November 19; 46(22):13090-13098. Available from: https://onlinelibrary.wiley.com/doi/10.1029/2019GL084332 DOI: 10.1029/2019GL084332
- Kahle E, Steig E, Jones T, Fudge T, Koutnik M, Morris V, Vaughn B, Schauer A, Stevens C, Conway H, Waddington E, Buizert C, Epifanio J, White J. Reconstruction of Temperature, Accumulation Rate, and Layer Thinning From an Ice Core at South Pole, Using a Statistical Inverse Method. Journal of Geophysical Research: Atmospheres. 2021 June 23; 126(13):-. Available from: https://onlinelibrary.wiley.com/doi/10.1029/2020JD033300 DOI:
10.1029/2020JD033300 - Onset of deglacial warming in West Antarctica driven by local orbital forcing. Nature. 2013; 500(7463):440-444. Available from: http://www.nature.com/articles/nature12376 DOI: 10.1038/nature12376
- Buizert C, Fudge T, Roberts W, Steig E, Sherriff-Tadano S, Ritz C, Lefebvre E, Edwards J, Kawamura K, Oyabu I, Motoyama H, Kahle E, Jones T, Abe-Ouchi A, Obase T, Martin C, Corr H, Severinghaus J, Beaudette R, Epifanio J, Brook E, Martin K, Chappellaz J, Aoki S, Nakazawa T, Sowers T, Alley R, Ahn J, Sigl M, Severi M, Dunbar N, Svensson A, Fegyveresi J, He C, Liu Z, Zhu J, Otto-Bliesner B, Lipenkov V, Kageyama M, Schwander J. Antarctic surface temperature and elevation during the Last Glacial Maximum. Science. 2021 June 03; 372(6546):1097-1101. Available from: https://www.sciencemag.org/lookup/doi/10.1126/science.abd2897 DOI: 10.1126/science.abd2897
SYNERGISTIC ACTIVITIES
Member of the Hercules Dome Science Coordination team
Chair the Science Advisor Board, Ice Drilling Program
Member (and past chair) of the Ice Core Working Group, Ice Drilling Program
Member of the Ice Core Allocation Committee
Research mentor for undergraduate students through OGIVE – Oppurtunities in Glacier InVEstigation at the University of Washington; the Cooperative Institute for Climate, Ocean, Ecosystem Studies (CICOES) REU; Center for Oldest Ice Exploration (COLDEX) REU, and the NASA Washington Space Grant Summer Undergraduate Research Program
Publications (not including in review and preparation): 50 publications, 1646 citations, H-index 23
* indicates UW graduate student supported by one of the above grants
^ indicates UW undergraduate that I advised
+ indicates UW postdoc supported by one of the above grants
# indicates high school student that I advised
In Review
Bingham, R.G., J.A. Bodart, and many others (including T.J. Fudge), Antarctica’s internal architecture: Towards a radiostratigraphically-informed age–depth model of the Antarctic ice sheets, The Cryosphere
Hills, B.H.*, N.D. Holschuh, A. Hoffman*, T.J. Fudge, A. Horlings*, E. Erwin, L. Kirkpatrick, E. Steig, and K. Christianson, in review, Radar-derived crystal orientation fabric suggests divide stability at Hercules Dome during the last ice-sheet deglaciation, Journal of Geophysical Research – Earth Surface
Published
Eswaran, A.#, O. Truax, and T.J. Fudge, Positive Late 20th-century Trend in Antarctic Snow Accumulation Drives Modest Mitigation of Sea Level Rise, Geophysical Research Letters, 10.1029/2023GL106991
Fudge, T.J., R. Sauvage^, L. Vu^, B. Hills, M. Severi, and E. Waddington, in review, Effective Diffusivity of sulfuric acid in Antarctic ice cores, Climate of the Past Discussions
Fudge, T.J., Ice Core Borehole Temperature Records, Encyclopedia of Quaternary Science 3rd Edition, Elsevier
Hoffman, A.*, N. Holschuh, M. Mueller, J. Paden, A. Muto, G. Ariho, C. Brigham, J.E. Christian*, L. Davidge, E. Heitmann, B. Hills*, A. Horlings*, S. Morey, G. O’Connor*, T.J. Fudge, E. Steig, K. Christianson, in press, Scars of tectonism promote ice-sheet nucleation from Hercules Dome into West Antarctica, Nature Geoscience
Stevens, C. M.+, D. Lilien+, H. Conway, T.J. Fudge, M. Koutnik, and E. Waddington, 2023, A new model for dry firn densification constrained by continuous strain measurements near South Pole, Journal of Glaciology
Jones, Tyler, K Cuffey, W Roberts, B Markle, E Steig, C Stevens+, P Valdes, T.J. Fudge, M. Sigl, A Hughes, V Morris, B Vaughn, J Garland, B Vinther, K Rozmiarek, C Brashear, J White, 2023. Seasonal temperatures in West Antarctica during the Holocene, Nature
Fudge T.J., B. Hills*, A. Horlings*, N. Holschuh+, J. Christian*, L. Davidge*, A. Hoffman*, G. O’Connor*, K. Christianson, and E. Steig,(2022). A site for deep ice coring at West Hercules Dome: results from ground-based geophysics and modeling. Journal of Glaciology 1–14. doi.org/10.1017/jog.2022.80
Morgan, J., C Buizert, T.J. Fudge, K Kawamura, J Severinghaus, and
C Trudinger, (2022). Gas isotope thermometry in the South Pole and Dome Fuji ice cores provides evidence for seasonal rectification of ice core gas records. The Cryosphere, 16, 2947–2966 doi.org/10.5194/tc-16-2947-2022
Hills, B. H. *, Christianson, K., Hoffman*, A. O., Fudge, T.J., Holschuh, N.+, Kahle, E.C. *, et al. (2022). Geophysics and thermodynamics at South Pole Lake indicate stability and a regionally thawed bed. Geophysical Research Letters, 49, e2021GL096218. 10.1029/2021GL096218
Buizert C, Fudge T.J., Roberts W, Steig E, Sherriff-Tadano S, Ritz C, Lefebvre E, Edwards J, Kawamura K, Oyabu I, Motoyama H, Kahle E, Jones T, Abe-Ouchi A, Obase T, Martin C, Corr H, Severinghaus J, Beaudette R, Epifanio J, Brook E, Martin K, Chappellaz J, Aoki S, Nakazawa T, Sowers T, Alley R, Ahn J, Sigl M, Severi M, Dunbar N, Svensson A, FegyveresiJ, He C, Liu Z, Zhu J, Otto-Bliesner B, Lipenkov V, Kageyama M, Schwander J. Antarctic surface temperature and elevation during the Last Glacial Maximum. Science. 2021 June 03; 372(6546):1097-1101.
Kahle E*, Steig E, Jones T, Fudge T, Koutnik M, Morris V, Vaughn B, Schauer A, Stevens C+, Conway H, Waddington E, Buizert C, Epifanio J, White J. Reconstruction of Temperature, Accumulation Rate, and Layer Thinning From an Ice Core at South Pole, Using a Statistical Inverse Method. Journal of Geophysical Research: Atmospheres. 2021 June 23; 126(13): doi/10.1029/2020JD033300
Cole-Dai, J., Ferris, D. G., Kennedy, J. A., Sigl, M., McConnell, J. R., Fudge, T. J., et al. (2021). Comprehensive record of volcanic eruptions in the Holocene (11,000 years) from the WAIS Divide, Antarctica ice core. Journal of Geophysical Research: Atmospheres, 126, e2020JD032855. 10.1029/2020JD032855
Souney JM et al. (2021). Core handling, transportation and processing for the South Pole ice core (SPICEcore) project. Annals of Glaciology 62(84), 118–130. doi.org/10.1017/aog.2020.80
Epifanio, J.A., and 16 others (including T.J. Fudge), 2020. The SP19 chronology for the South Pole Ice Core – Part 2: gas chronology, Δage, and smoothing of atmospheric records, Climate of the Past, doi.org/10.5194/cp-16-2431-2020
Lee, J. and 17 others (including T.J. Fudge), An 83,000 year old ice core from Roosevelt Island, Ross Sea, Antarctica, Climate of the Past, 16, 1691-1713, doi.org/10.5194/cp-16-1691-2020
Badgeley, J., E*. Steig, G. Hakim, T.J. Fudge, Greenland temperature and precipitation over the last 20,000 years using data assimilation, Climate of the Past, 16, 1325-1346, doi.org/10.5194/cp-16-1325-2020
Fudge, T.J., D. Lilien*, M. Koutnik, H. Conway, M. Stevens+, E. Waddington, E. Steig, and A. Schauer, Advection (non-climate) impact on the South Pole Ice Core, Climate of the Past, 16, 819-832, doi.org/10.5194/cp-16-819-2020
Fudge, T.J., S. Biyani^, D. Clemens-Sewall, and R. Hawley, 2019. Constraining Geothermal Flux at Coastal Domes of the Ross Ice Sheet, Antarctica. Geophysical Research Letters, 10.1029/2019GL084332
Winski, D., T.J. Fudge, and 29 others, The SP19 chronology for the South Pole Ice Core – part 1: volcanic matching and annual layer counting. Climate of the Past, 15, 1793–1808
Hartmann, L.H. and 11 others (including T.J. Fudge), 2019. Volcanic glass properties from the 1459 CE volcanic event in South Pole ice core dismiss Kuwae caldera as a potential source, Scientific Reports, 9, 14437
Beeman, J., L Gest, F Parrenin, D Raynaud, T.J. Fudge, C. Buizert, and E Brook (2019). Antarctic temperature and CO2: near-synchrony yet variable phasing during the last deglaciation, Climate of the Past, 15, 913–926, doi.org/10.5194/cp-15-913-2019
Buizert, C, and 18 others (including T.J. Fudge), 2018. Abrupt ice-age shifts in southern westerly winds and Antarctic climate forced from the north, Nature, 563, 681-685.
Lilien, D. A.*, T.J. Fudge, M.R. Koutnik, H. Conway, E. Osterberg, D.G. Ferris, E.D. Waddington, and C.M. Stevens, 2018. Holocene ice-flow speedup in the vicinity of South Pole, Geophysical Research Letters.
Winstrup, M. and 27 others (including T.J. Fudge), 2019. A 2700-year annual timescale and accumulation history for an ice core from Roosevelt Island, West Antarctica, Climate of the Past, 15, 751–779
Bertler, N.A.N., and 66 others (including T.J. Fudge), 2018. The Ross Sea Dipole-temperature, snow accumulation and sea ice variability in the Ross Sea region, Antarctica, over the past 2700 years. Climate of the Past, 14(2), 193-214068356
Thomas, E.R., and 15 others (including T.J. Fudge), 2017. Regional Antarctic snow accumulation over the past 1000 years. Climate of the Past, 13(11), 1491-1513
McConnell, J. R. and 28 authors (including T.J. Fudge), 2017. Synchronous volcanic eruptions and abrupt climate change ~17.7 ka plausibly linked by stratospheric ozone depletion.
Markle, B.R., E.J. Steig, C. Buizert, S.W. Schoenemann, C.M. Bitz, T.J. Fudge, J.B. Pedro, Q. Ding, T.R. Jones, J.W.C. White, and T. Sowers, 2017, Global atmospheric teleconnections during Dansgaard-Oeschger events, Nature Geoscience, 10(1), 36-40.
Cuffey, K.M., G.D. Clow, E.J. Steig, C. Buizert, T.J. Fudge, M. Koutnik, E.D. Waddington, R.B. Alley, J.P. Severinghaus, 2016. Deglacial temperature history of West Antarctica, Proceedings of the National Academy of Sciences, 113(50), 14249-14254. doi:10.1073/pnas.1609132113
Fudge, T.J., Bradley R. Markle, Kurt M. Cuffey, Christo Buizert, Kendrick C. Taylor, Eric J. Steig, Edwin D. Waddington, Howard Conway, and Michelle Koutnik, 2016. Variable Relationship between accumulation and temperature in West Antarctica for the past 31,000 years, Geophysical Research Letters, 10.1002/2016GL068356
Fudge, T.J., K.C. Taylor, E.D. Waddington, J. Fitzpatrick, and H. Conway, 2016, Electrical stratigraphy of the WAIS Divide ice core: identification of cm-scale irregular layering.
Koutnik, M., T.J. Fudge, H. Conway, E.D. Waddington, T. Neumann, K. Cuffey, C. Buizert, and K. Taylor, 2016, Holocene accumulation and ice flow near the West Antarctic Ice Sheet Divice ice-core site. Journal of Geophysical Research. 121, 907–924, doi:10.1002/2015JF003668
Aydin, M., J. E. Campbell, T. J. Fudge, K. M. Cuffey, M. R. Nicewonger, K. R. Verhulst, and E. S. Saltzman (2016), Changes in atmospheric carbonyl sulfide over the last 54,000 years inferred from measurements in Antarctic ice cores, Journal of Geophysical Research – Atmospheres, 121, 1943–1954, doi:10.1002/2015JD024235.
Sigl, M., T.J. Fudge and 25 others, 2015. The WAIS Divide deep ice core WD2014 chronology Part 2: Annual-layer counting (0-31 ka BP), Climate of the Past Discussions, 11, 3425-3474.
Geng, L., M.C. Zatko, B. Alexander, T.J. Fudge, A.J. Schauer, L.T. Murray, L.J.Mickley, 2015. Effects of postdepositional processing on nitrogen isotopes of nitrate in the Greenland Ice Sheet Project 2 ice core, Geophysical Research Letters, 42(13), 5346-5354.
WAIS Divide Project Members and 81 others (including T.J. Fudge), 2015. Precise interpolar phasing of abrupt climate change during the last ice age. Nature, 520(7549), 662-664.
Buizert, C. and 17 others (including T.J. Fudge), 2015. The WAIS-Divide deep ice core WD2014 chornology: 1. Methane synchronization (68-31 ka BP) and the gas age – ice age difference. Climate of the Past. 11(2), 153-173.
Riedel, J., S. Wilson, B. Baccus, M.A. Larrabee, T.J. Fudge, and A.G. Fountain. 2015. Glacier status and contribution to streamflow in the Olympic Mountains, Washington U.S.A. Journal of Glaciology, 61(225), 8-16.
Fudge, T.J., E.D. Waddington, H. Conway, J.M.D. Lundin, and K. Taylor. 2014. Interpolations methods for Antarctic ice-core timescales: application to Byrd, Siple Dome, and Law Dome ice cores. Climate of the Past, 10, 1195-1209.
Fudge, T.J., H. Conway, and 8 others. 2014. Identifying flow lines and limitations of flux analyses in the interior of Thwaites Glacier. Annals of Glaciology, 55, 107–114.
Aydin, M., T.J. Fudge, K.R. Verhulst, M. Nicewonger, E. Waddington, and E.S. Saltzman, 2014. Carbonyl sulfide hydrolysis in Antarctic ice cores and an atmospheric history for the last 8,000 years. Journal of Geophysical Research – Atmospheres, 119, 8500-8514.
Casey, K.A., T.J. Fudge, T.A. Neumann, E.J. Steig, M.G.P. Cavitte, and D.D. Blankenship, 2014. The 1500 m South Pole Ice Core: Recovering a 40,000 year environmental record, Annals of Glaciology, 55(68), 137-146.
Fitzpatrick, J.J. and 11 others (including T.J. Fudge), 2014. Physical properties of the WAIS Divide ice core. Journal of Glaciology, 60(224), 1181-1198.
Marcott, S. and 14 others (including T.J. Fudge), 2014. Centennial Scale Changes in the Global Carbon Cycle during the Last Deglaciation. Nature, 514, 616-619.
WAIS Divide Project Members, T.J. Fudge, and 41 others. 2013. Onset of deglacial warming in West Antarctica driven by local insolation forcing. Nature, 500, 440-444.
Steig, E.J. and 21 others (including T.J. Fudge). 2012. Recent climate and ice-sheet changes in West Antarctica compared with the past 2000 years. Nature Geoscience, 6(5), 372-375.
Fudge, T.J. and B.E. Smith, 2010. Light propagation in Firn: Application to Borehole Video. Journal of Glaciology, 56(198), 614-624.
Fudge, T.J., J.T. Harper, N.F. Humphrey, and W.T. Pfeffer. 2009. Rapid Glacier Sliding, Reverse Ice Motion, and Subglacial Water Pressure During an Autumn Rain Storm. Annals of Glaciology, Volume 50(52), 101-108.
Fudge, T.J., N.F. Humphrey, J.T. Harper, and W.T. Pfeffer. 2008. Diurnal Fluctuations in Borehole Water Levels: Configuration of the Drainage System Beneath Bench Glacier, Alaska, Journal of Glaciology, 54(185), 297-306.
Fudge, T.J., J.T. Harper, N.F. Humphrey, and W.T. Pfeffer. 2005. Diurnal water-pressure fluctuations: timing and pattern of termination below Bench Glacier, Alaska. Annals of Glaciology, 40, 102-106.
J.T. Harper, N.F. Humphrey, W.T. Pfeffer, T.J. Fudge, and S. O’Neel. 2005. Evolution of subglacial water pressure along a glacier’s length, Annals of Glaciology, 40, 31-36.
White Papers and Science Planning Documents
Badgeley, J., T.J. Fudge, B. Koffman, and S. Rupper, 2022. Early career perspectives on ice core science, Past Global Changes Magazine
Martin, K.C., S. Barnett, T.J. Fudge, M.E. Helmick, 2002. Putting time in the time machine: methods for dating ice cores, Past Global Changes Magazine
Kountik, M.R., M. R. Albert, S. Campbell, L. Childress, T.J. Fudge, J. Holt, A. Johson, M. Mellon, J. Priscu, T. Schuur, H. Smith, M. Sori, Zacny, K. 2021. First Ice Cores from Mars, Mars Ice Core Working Group Report for NASA, March 2021
Fudge, T.J., Brent C Christner, Juliana D’Andrilli, John Fegyveresi, Andrei Kurbatov, Mark S Twickler, 2020. Community Recommendations for the NSF Ice Core Facility. Ice Drilling Program
Tyler R Jones, Sarah Aarons, Edward Brook, Christo Buizert, Jihong Cole-Dai, T.J. Fudge, John Higgins, Kaitlin Keegan, Andrei Kurbatov, Peter D Neff, Erich Osterberg, Vasilii Petrenko, Jeffrey P Severinghaus, Eric J Steig, 2020. Paleoclimate Ice Core Research Priorities in Antarctica. Ice Drilling Program,
Erich Osterberg, Jessica Badgeley, Christo Buizert, Juliana D’Andrilli, T.J. Fudge, Tyler R Jones, Karl Kreutz, Vasilii Petrenko, Erin Pettit, Dominic Winski, 2020. Ice Core Research P riorities in Greenland. Ice Drilling Program Ice
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