Has the Problem of a Permanent El Niño been Resolved for the Mid-Pliocene?

References

• Allan, R. J., J. Lindesay, and D. E. Parker, 1996: El Nino Southern Oscillation & Climatic Variability, CSIRO, Collingwood, Victoria, 416pp
   Google Scholar
• Bonham, S. G, A. M. Haywood, D. L. Lunt, et al., 2009: El Nino-Southern Oscillation, Pliocene climate and equifinality, Philos. Trans. Roy. Soc. London, 367, 127–156, doi: 10.1098/rsta.2008.0212
   Google Scholar
• Dowsett, H. J., and M. M. Robinson, 2009: Mid-Pliocene equatorial Pacific sea surface temperature reconstruction: A multi-proxy perspective, Phiosl. Trans. Roy. Soc. London, 367, 109–125, doi: 10.1098/rsta.2008.0206
   Google Scholar
• Dowsett, H. J., M. M. Robinson, and K. M. Foley, 2009: Pliocene three-dimensional global ocean temperature reconstruction, Climate Past, 5, 769–783
   Google Scholar
• Dowsett, H. J., M. M. Robinson, A. M. Haywood, et al., 2010: The PRISM3D paleoenvironmental reconstruction, Stratigraphy, 7, 123–139
   Google Scholar
• Fedorov, A. V., P. S. Dekens, M. Mccarthy, et al., 2006: The Pliocene paradox (mechanisms for a permanent El Nino), Science, 312, 1485–1489, doi: 10.1126/science.1122666
   Google Scholar
• Haywood, A. M., H. J. Dowsett, B. Otto-Bliesner, et al., 2010: Plio-cene Model Intercomparison Project (PlioMIP): Experimental design and boundary conditions (Experiment 1), Geosci. Model Dev., 3, 227–242, doi: 10.5194/gmd-3-227-2010
   Google Scholar
• Haywood, A. M., H. J. Dowsett, M. M. Robinson, et al., 2011: Plio-cene Model Intercomparison Project (PlioMIP): Experimental design and boundary conditions (Experiment 2), Geosci. Model Dev., 4, 571–577, doi: 10.5194/gmd-4-571-2011
   Google Scholar
• Haywood, A. M., P. J. Valdes, and V. L. Peck, 2007: A permanent El Nifio-like state during the Pliocene? Paleoceanography, 22, PA1213, doi: 10.1029/2006PA001323
   Google Scholar
• Jansen, E., J. Overpeck, K. R. Briffa, et al., 2007: Palaeoclimate, in: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the In-tergovernmental Panel on Climate Change, S. Solomon et al. (Eds.), Cambridge University Press, Cambridge and New York
   Google Scholar
• Meehl, G. A., T. F. Stocker, W. D. Collins, et al., 2007: Global climate projections, in: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth As-sessment Report of the Intergovernmental Panel on Climate Change, S. Solomon et al. (Eds.), Cambridge University Press, Cambridge and New York
   Google Scholar
• Molnar, P., and M. A. Cane, 2002: El Nifio's tropical climate and teleconnections as a blueprint for pre-Ice Age climates, Paleo-ceanography, 17(2), 1021, doi: 10.1029/2001PA000663
   Google Scholar
• Ravelo, A. C., P. S. Dekens, and M. Mccarthy, 2006: Evidence for El Nifio-like conditions during the Pliocene, GSA Today, 16, 4–11, doi: 10.1130/1052-5173(2006)0162.0.00;2
   Google Scholar
• Rayner, N. A., D. E. Parker, E. B. Horton, et al., 2003: Global anal-yses of sea surface temperature, sea ice, and night marine air temperature since the late nineteenth century, J. Geophys. Res., 108, 4407, doi: 10.1029/2002JDO02670
   Google Scholar
• Rickaby, R. E. M., and P. Halloran, 2005: Cool La Nina during the warmth of the Pliocene? Science, 307, 1948–1952, doi: 10.1126/science.1104666
   Google Scholar
• Scroxton, N., S. G. Bonham, R. E. M. Rickaby, et al., 2011: Persis-tent El Nifio-Southern Oscillation variation during the Pliocene Epoch, Paleoceanography, 26, PA2215, doi: 10.1029/2010PA002097
   Google Scholar
• Trenberth, K. E., 1997: The definition of El Nifio, Bull. Amer Me-teor. Soc., 78, 2771–2777
   Google Scholar
• von der Heydt, A. S., A. Nnafie, and H. A. Dijkstra, 2011: Cold tongue/Warm pool and ENSO dynamics in the Pliocene, Climate Past, 7, 903–915, doi: 10.5194/cp-7-903-2011
   Google Scholar
• Wara, M. W., A. C. Ravelo, and M. L. Delaney, 2005: Permanent El Nifio-like conditions during the Pliocene warm period, Science, 309, 758–761, doi: 10.1126/science.1112596
   Google Scholar
• Watanabe, T., A. Suzuki, S. Minobe, et al., 2011: Permanent El Nifio during the Pliocene warm period not supported by coral evidence, Nature, 471, 209–211, doi: 10.1038/nature09777
   Google Scholar
• Zhang, Z.-S., K. Nisancioglu, M. Bentsen, et al., 2012: Pre-indu-strial and mid-Pliocene simulations with NorESM-L, Geosci. Model Dev., 5, 523–533, doi: 10.5194/gmd-5-523-2012
   Google Scholar
• Zhang, Z.-S., and Q. Yan, 2012: Pre-industrial and mid-Pliocene simulations with NorESM-L: AGCM simulations, Geosci. Model Dev., 5, 1033–1043, doi: 10.5194/gmd-5-1033-2012
   Google Scholar