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Climate Change Institute


Daniel Dixon

Post-Doctoral Research Fellow

Daniel Dixon

Contact Information

Phone:
207-659-0659

Email/web:
Daniel.Dixon@umit.maine.edu
Download CV

Address:
5790 Bryand Global Sciences Center
University of Maine 
Orono, ME  04469

Biosketch

I am a climatologist working to understand how the Antarctic ice sheet behaves over long and short timescales and how these changes could affect global climate. My research focuses on reconstructing atmospheric circulation using the chemistry contained in snow and ice. A major component of my research involves the collection and analysis of Antarctic ice cores, but I also conduct field work in New Zealand and South America.

Antarctica is a major component of the Earth’s climate system. Understanding its behavior over long and short timescales will allow us to better predict future global climate change. For example, whether West Antarctica, the only marine ice sheet remaining from the last glacial maximum and which contains enough grounded ice to raise sea levels ~5m, is likely to collapse into the ocean.

In the lab, cores are processed without contamination on the University of Maine continuous melter system and the new ultra high resolution laser ablation system. The resulting high-resolution, multi-parameter, glaciochemical data is used to determine atmospheric chemical transport pathways over various spatial and temporal scales. Ultimately, these data are used to reconstruct paleoclimate.

I am a recent PhD graduate in the climate change field and I consider public outreach a high priority. Continued development of a wide range of dissemination media is critical for reaching as wide an audience as possible.
    
    

Publications

In Press

  • Dixon, D.A., P.A. Mayewski, I. Goodwin, G.J. Marshall, R. Freeman, K.A. Maasch, and S.B. Sneed. 2011. An ice-core proxy for northerly air mass incursions into West Antarctica. Int. J. Climatol. In press.

    For more information: Download file (PDF)

Additional Publications

  • Sneed, S.B., P.A. Mayewski and D.A. Dixon. 2011. An emerging technique: multi-ice-core multi-parameter correlations with Antarctic sea-ice extent. Ann. Glaciol. 52, 57, 347-354, doi: 10.3189/172756411795931822.

    For more information: Download file (PDF)

  • Dixon, D.A., P.A. Mayewski, E. Korotkikh, S.B. Sneed, M.J. Handley, D.S. Introne, and T.A. Scambos. 2011. A spatial framework for assessing current conditions and monitoring future change in the chemistry of the Antarctic atmosphere. The Cryosphere Discuss. 5, 1-66, doi: 10.5194/tcd-5-1-2011.

    For more information: Download file (PDF)

  • Eisen, O., M. Frezzotti, C. Genthon, E. Isaksson, O. Magand, M.R. vandenBroeke, D.A. Dixon, A. Ekaykin, P. Holmlund, T. Kameda, L. Karlof, S. Kaspari, V.Y. Lipenkov, H. Oerter, S. Takahashi, D.G. Vaughan. 2008. Ground-based measurements of spatial and temporal variability of snow accumulation in East Antarctica. Rev. Geophys., 46, RG2001, doi:10.1029/2006RG000218.

    For more information: Read abstract or Download file (PDF)

  • Monaghan, A.J., D.H. Bromwich, R.L. Fogt, S.-H. Wang, P.A. Mayewski, D.A. Dixon, A. Ekaykin, M. Frezzotti, I. Goodwin, E. Isaksson, S.D. Kaspari, V.I. Morgan, H. Oerter, T.D. Van Ommen, C.J. Van der Veen, and J. Wen. 2006. Insignificant Change in Antarctic Snowfall Since the International Geophysical Year. Science, 313, 827-831.

    For more information: Read abstract or Download file (PDF)

  • Schneider, D.P., E.J. Steig, T.D. van Ommen, D.A. Dixon, P.A. Mayewski, J.M. Jones, C.M. Bitz. 2006. Antarctic temperatures over the past two centuries from ice cores. Geophys. Res. Lett., 33, L16707, doi:10.1029/2006GL02705.

    For more information: Read abstract or Download file (PDF)

  • Dixon, D., P.A. Mayewski, S. Kaspari, K. Kreutz, G. Hamilton, K. Maasch, S.B. Sneed and M.J. Handley. 2005. A 200-year sulfate record from sixteen Antarctic ice cores and associations with Southern Ocean sea ice extent. Ann. Glaciol., 41, 155-166.

    For more information: Read abstract or Download file (PDF)

  • Bertler, N., P.A. Mayewski, A. Aristarain, P. Barrett, S. Becagli, R. Bernardo, S. Bo, Xiao C., M. Curran, Qin D., D. Dixon, F. Ferron, H. Fischer, M. Frey, M. Frezzotti, F. Fundel, C. Genthon, R. Gragnani, G. Hamilton, M. Handley, S. Hong, E. Isaksson, Kang J., Ren J., K. Kamiyama, S. Kanamori, E. Karkas, L. Karlof, S. Kaspari, K. Kreutz, A. Kurbatov, E. Meyerson, Y. Ming, Zhang M., H. Motoyama, R. Mulvaney, H. Oerter, E. Osterberg, M. Proposito, A. Pyne, U. Ruth, J. Simoes, B. Smith, S. Sneed, K. Teinila, F. Traufetter, R. Udisti, A. Virkkula, O. Watanabe, B. Williamson, J-G. Winther, Li Y., E. Wolff, Li Z., A. Zielinski. 2005. Snow chemistry across Antarctica. Ann. Glaciol., 41, 167-179.

    For more information: Read abstract or Download file (PDF)

  • Conway, H., T.A. Neumann, S. Price, E.D. Waddington, D. Morse, K. Taylor, P.A. Mayewski, D. Dixon, E. Pettit and E.J. Steig. 2005. Candidate drill sites near the Ross-Amundsen ice divide, West Antarctica. Report presented to the Ice Core Working Group Meeting, Madison, Wisconsin, 10p.
  • Kaspari, S., P.A. Mayewski, D.A. Dixon, S.B. Sneed and M.J. Handley. 2005. Sources and transport pathways of marine aerosol species into West Antarctica. Ann. Glaciol., 41, 1-9.

    For more information: Read abstract or Download file (PDF)

  • Mayewski, P.A., K.A. Maasch, Y. Yan, S. Kang, E.A. Meyerson, S.B. Sneed, S.D. Kaspari, D.A. Dixon, E.C. Osterberg, V.I. Morgan, T. van Ommen, M.A.J. Curran. 2005. Solar Forcing of the Polar Atmosphere. Ann. Glaciol., 41, 147-154.

    For more information: Read abstract or Download file (PDF)

  • Steig, E.J., P.A. Mayewski, D.A. Dixon, M.M. Frey, S.D. Kaspari, D.P. Schneider, S.A. Arcone, G.S. Hamilton, V.B. Spikes, M. Albert, D. Meese, A.J. Gow, C.A. Shuman, J.C.W. White, S. Sneed, J. Flaherty, M. Wumkes. 2005. High-resolution ice cores from US ITASE (West Antarctica); development and validation of chronologies and estimatation of precision and accuracy. Ann. Glaciol., 41, 77-84.

    For more information: Read abstract or Download file (PDF)

  • Dixon, D., P.A. Mayewski, S. Kaspari, S. Sneed and M. Handley. 2004. A 200-year sub-annual record of the primary sources of sulfate in West Antarctica. Ann. Glaciol., 39, 545-556.

    For more information: Read abstract or Download file (PDF)

  • Kaspari, S., P.A. Mayewski, D.A. Dixon, V.B. Spikes, S.B. Sneed, M.J. Handley and G.S. Hamilton. 2004. Climate variability in West Antarctica derived from annual accumulation rate records from ITASE firn/ice cores. Ann. Glaciol., 39, 585-594.

    For more information: Read abstract or Download file (PDF)

  • Dixon, D., P.A. Mayewski, S. Kaspari, S. Sneed and M. Handley. 2002. Preliminary investigation of US ITASE glaciochemical records, EOS (Trans. Am. Geophys. Union), accepted.
  • Kaspari, S., P.A. Mayewski, S. Sneed, M. Handley, D. Dixon and K. Maasch. 2002. Chemical fingerprinting of a Weddell Sea storm, EOS (Trans. Am. Geophys. Union), accepted.
  • Dixon, D., P.A. Mayewski, S. Kaspari, K.J. Kreutz, G.S. Hamilton, S. Sneed and Z. Smith. 2001. Spatial soluble ion variability along a central West Antarctic snowpit transect. EOS (Trans. Am. Geophys. Union), 82(20), p.S233.
  • Spikes, B., S.A. Arcone, G.S. Hamilton, P.A. Mayewski and D. Dixon. 2001. Examining the causes of reflecting horizons in high-resolution radar profiling of polar firn. EOS (Trans. Am. Geophys. Union), accepted.
  • Dixon, D. 2000. Surficial clay mineral assemblages. In Kenyon, N.H., M.K. Ivanov, A.M. Akhmetzhanov and G.G. Akhmanov, eds. Multidisciplinary study of geological processes on the North East Atlantic and Western Mediterranean margins. IOC Technical Series, 56, UNESCO, 2000, 42-75.

Service

University Service

  • 2004 to 2005 — Parking and Transportation Committee
  • 2004 to 2005 — Graduate Student Government
  • 2005 to 2009 — Sustainability Alliance

Education

Current: Post-Doctoral Research Fellow - Climate Change Institute, University of Maine, USA. {2010: PhD} - Climate Change Institute, Department of Earth Sciences, University of Maine, USA. {2005: MSc} - Climate Change Institute, University of Maine, USA.

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