Stephen Yeager

Research Interests

  • Decadal climate variability & prediction
  • Large-scale ocean dynamics
  • Atlantic meridional overturning circulation
  • Air-sea interaction
  • Global ocean modelling

Publications

  • Yeager, S., 2014: Topographic coupling of the Atlantic overturning and gyre circulations, J. Phys. Oceanogr. , submitted.
  • Karspeck, A., S. Yeager, G. Danabasoglu, and H. Teng, 2014: Evaluation of experimental initialized decadal predictions using CCSM4, Clim. Dyn. , submitted.
  • Yeager, S., and G. Danabasoglu, 2014: The origins of late 20th century variations in the large-scale North Atlantic circulation, J. Climate, 27, 3222-3247, doi:10.1175/JCLI-D-13-00125.1.
  • Meehl, G. A., L. Goddard, B. Kirtman, G. Branstator, G. Danabasoglu, E. Hawkins, A. Kumar, T. Rosati, D. Smith, R. Sutton, G. Boer, R. Burgman, C. Cassou, S. Corti, A. Karspeck, N. Keenlyside, M. Kimoto, D. Matei, J. Mignot, R. Msadek, A. Navarra, H. Pohlmann, M. Rienecker, E. Schneider, C. Tebaldi, H. Teng, G. J. van Oldenborgh, G. Vecchi, and S. Yeager, 2014: Decadal Climate Prediction: An Update from the Trenches, Bull. Amer. Meteor. Soc., in press, doi:10.1175/BAMS-D-12-00241.1.
  • Danabasoglu, G., S. Yeager, D. Bailey, et al., 2014: North Atlantic Simulations in Coordinated Ocean-ice Reference Experiments phase II (CORE-II). Part I: Mean States. Ocean Modelling, 73, 76-107, doi:10.1016/j.ocemod.2013.10.005.
  • Yeager, S, 2013: Understanding and predicting changes in North Atlantic Sea Surface Temperature, PhD thesis, University of Colorado, 176pp., pdf.
  • Karspeck, A., S. Yeager, G. Danabasoglu, T. Hoar, N. Collins, K. Raeder, J. Anderson, and J. Tribbia, 2013: An Ensemble Adjustment Kalman Filter for the CCSM4 Ocean Component. J. Climate, 26, 7392-7413, doi:10.1175/JCLI-D-12-0040.1.
  • Msadek, R., W. E. Johns, S. G. Yeager, G. Danabasoglu, T. L. Delworth, and A. Rosati, 2013: The Atlantic Meridional Heat transport at 26.5N and its relationship with the MOC in the RAPID array and the GFDL and NCAR coupled models. J. Climate, 26, 4335-4356, doi:10.1175/JCLI-D-12-00081.1.
  • Bates, S. C., B. Fox-Kemper, S. R. Jayne, W. G. Large, S. Stevenson, and S. G. Yeager, 2012: Mean biases, variability, and trends in air-sea fluxes and sea surface temperature in the CCSM4. J. Climate, 25, 7781-7801, doi:10.1175/JCLI-D-11-00442.1.
  • Large, W. G., and S. G. Yeager, 2012: On the Observed Trends (1984-2006) and Changes in Global Sea Surface Temperature and Air-Sea Heat Fluxes. J. Climate, 25, 6123-6135, doi:10.1175/JCLI-D-11-00148.1.
  • Yeager, S., A. Karspeck, G. Danabasoglu, J. Tribbia, and H. Teng, 2012: A Decadal Prediction Case Study: Late 20th Century North Atlantic Ocean Heat Content. J. Climate, 25, 5173-5189, doi:10.1175/JCLI-D-11-00595.1.
  • Danabasoglu, G., S. G. Yeager, Y.-O. Kwon, J. Tribbia, A. Phillips, and J. Hurrell, 2012: Variability of the Atlantic meridional overturning circulation in CCSM4. J. Climate, 25, 5153-5172, doi:10.1175/JCLI-D-11-00463.1.
  • Danabasoglu, G., S. Bates, B. P. Briegleb, S. R. Jayne, M. Jochum, W. G. Large, S. Peacock, and S. G. Yeager, 2012: The CCSM4 Ocean Component. J. Climate, 25, 1361-1389, doi:10.1175/JCLI-D-11-00091.1.
  • Yeager, S. G., and G. Danabasoglu, 2012: Sensitivity of Atlantic Meridional Overturning Circulation variability to parameterized Nordic Sea overflows in CCSM4. J. Climate, 25, 2077-2103, doi:10.1175/JCLI-D-11-00149.1.
  • Lee S.-K., W. Park, E. van Sebille, M. O. Baringer, C. Wang, D. B. Enfield, S. Yeager, and B. P. Kirtman, 2011: What Caused the Significant Increase in Atlantic Ocean Heat Content Since the mid-20th Century?. Geophys. Res. Lett., 38, L17607, doi:10.1029/2011GL048856.
  • Stevenson, S., B. Fox-Kemper, M. Jochum, B. Rajagopalan, and S. G. Yeager, 2010: ENSO Model Validation Using Wavelet Probability Analysis. J. Climate, 22, 5540-5547, doi:10.1175/2010JCLI3609.1.
  • Han, W., G. Meehl, B. Rajagopalan, J. Fasullo, A. Hu, J. Lin, W. Large, J. Wang, X. Quan, L. Trenary, A. Wallcraft, T. Shinoda, and S. Yeager, 2010: Patterns of Indian Ocean sea-level change in a warming climate. Nat. Geo., 3, 546-550, doi:10.1038/ngeo901.
  • Jochum, M., S. G. Yeager, K. Lindsay, K. Moore, and R. Murtugudde, 2009: Quantification of the feedback between phytoplankton and ENSO in the Community Climate System Model. J. Climate, 23, 2916-2925, doi:10.1175/2010JCLI3254.1.
  • Yeager, S. G., and M. Jochum, 2009: The Connection between Labrador Sea Buoyancy Loss, Deep Western Boundary Current Strength, and Gulf Stream Path in an Ocean Circulation Model. Ocean Modelling, 30, 207-224, doi:10.1016/j.ocemod.2009.06.014.
  • Gent, P., S. Yeager, R. Neale, S. Levis, and D. Bailey, 2009: Improvements in a Half Degree Atmosphere/Land version of the CCSM. Clim. Dyn., doi:10.1007/s00382-009-0614-8.
  • Griffies, S. M., A. Biastoch, C. Böning, F. Bryan, G. Danabasoglu, E. Chassignet, M. England, R. Gerdes, H. Haak, R. Hallberg, W. Hazeleger, J. Jungclaus, W. Large, G. Madec, A. Pirani, B. Samuels, M. Scheinert, A. Gupta, C. Severijns, H. Simmons, A. Treguier, M. Winton, S. Yeager, and J. Yin, 2009: Coordinated Ocean-ice Reference Experiments (COREs). Ocean Modelling, 26, 1-46, doi:10.1016/j.ocemod.2008.08.007.
  • Large, W. G., and S. G. Yeager, 2009: The Global Climatology of an Interannually Varying Air-Sea Flux Data Set. Clim. Dyn., 33, 341-364, doi:10.1007/s00382-008-0441-3.
  • Yeager, S. G., and W. G. Large, 2007: Observational evidence of winter spice injection. J. Phys. Oceanogr. , 37, 2895-2919, doi:10.1175/2007JPO3629.1.
  • Doney, S. C., S. G. Yeager, G. Danabasoglu, W. G. Large, and J. C. McWilliams, 2007: Mechanisms governing interannual variability of upper ocean temperature in a global ocean hindcast simulation. J. Phys. Oceanogr. , 37, 1918-1938, doi:10.1175/JPO3089.1.
  • Yeager, S. G., C. A. Shields, W. G. Large, and J. J. Hack, 2006: The low-resolution CCSM3. J. Climate, 19, 2545-2566, doi:10.1175/JCLI3744.1.
  • Hack, J. J., J. M. Caron, S. G. Yeager, K. W. Oleson, M. M. Holland, J. E. Truesdale, and P. J. Rasch , 2006: Simulation of the global hydrological cycle in the CCSM Community Atmosphere Model version 3 (CAM3): Mean features. J. Climate, 19, 2199-2221, doi:10.1175/JCLI3755.1.
  • Yeager, S. G., and W. G. Large, 2004: Late-winter generation of spiciness on subducted isopycnals. J. Phys. Oceanogr., 34, 1528-1547, doi:10.1175/1520-0485(2004)034<1528:LGOSOS>2.0.CO;2.
  • W. G. Large and S. G. Yeager, 2004: Diurnal to decadal global forcing for ocean and sea-ice models: The data sets and flux climatologies. Technical Report TN-460+STR, NCAR, 105pp.
  • Doney, S. C., S. G. Yeager, G. Danabasoglu, W. G. Large, and J. C. McWilliams, 2003: Modeling global oceanic inter-annual variability (1958-1997): Simulation design and model-data evaluation. Technical Report TN-452+STR, NCAR, 48pp.