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Gabriel Lau

Interactions between the Responses of North American Climate to El Nino/La Nina and to Secular Warming Trend in the Indian-Western Pacific Oceans. Gabriel Lau. Geophysical Fluid Dynamics Laboratory/NOAA Princeton University. CORRELATION: SST(FMA) vs NINO INDEX(NDJ) MODEL. OBSERVATION.

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Gabriel Lau

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  1. Interactions between the Responses of North American Climate to El Nino/La Nina and to Secular Warming Trend in the Indian-Western Pacific Oceans Gabriel Lau Geophysical Fluid Dynamics Laboratory/NOAA Princeton University

  2. CORRELATION: SST(FMA) vs NINO INDEX(NDJ) MODEL OBSERVATION (Alexander et al. 2002, J.Clim., Fig.2) (Alexander et al. 2002, J.Clim., Fig.3)

  3. 200 mb Z JJA(1) IWP-CLIMO

  4. Correlation with Great Plains Precipitation 200 mb Z Schubert et al. 2004

  5. CORRELATION: 200 mb [Z] vs NINO3.4 in Jan(1)

  6. SST

  7. SST Sensitivity Runs • Name of • ExperimentSST Forcing • EN El Niño • LN La Niña • T(IWP) 50-yr Trend in Indo-Western Pacific • T(IWP)+EN Sum of IWP Trend and El Niño • T(IWP)+LN Sum of IWP Trend and La Niña • C Climatological

  8. C20C A1B

  9. C20C A1B

  10. The Atmospheric Bridge

  11. Experiment Design SST Predicted by Mixed Layer Model SST Anomaly Prescribed SST Climatology Prescribed 1950 1999 Total of 16 realizations GFDL R30 14-Layer GCM Prescribed SST in Deep Tropical Central / Eastern Pacific Two-way coupling with a variable-depth ocean mixed-layer elsewhere

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