Rossby wave model of the east Pacific thermocline

Rossby wave model of the east Pacific thermocline

Other relevant pages:
  • Main EPAC page
  • Winds
  • Sverdrup Balance
  • Mountain-gap winds (NSCAT!)
  • Quikscat winds
  • Paper figures page
  • Bv=fdw/dz page

    The integral is solved using FSU average annual cycle winds and an eastern boundary condition of the 1 cpy harmonic of observed Z20 along the coast. Integrating westward, dx is negative.
      Coastal boundary condition:
    1. 1 cpy harmonic of Z20, showing the phase along the coast
    2. Another way of showing the coastal harmonic (These values were used to compute the coastal BC for the model).
    3. Z20(t) along coast
    4. Mean coastal BC from winds (Sverdrup) and obs (AOML XBT Z20)
          Annual cycle from ERS and FSU (doesn't work -> not a equilibrium balance)
          (Also see figures on the winds page dealing with coastal work).

    5. Observed and modeled amplitude and phase for various c (KW speed):
          No damping:  c=1.5 m/s   c=2.0 m/s   c=2.5 m/s   c=3.0 m/s    c=2.0 m/s (wind part only)
          9-month damping (c=2.0 m/s): Model/obs  Add difference amp/phase  Blank phase for low amplitude 
    6. Harmonics shown as vectors: (4 panels = Obs, Total, Wind part, BC part):
         No damping:  c=1.5 m/s  c=2.0 m/s  c=2.5 m/s  c=3.0 m/s  
         9-month damping: c=2.0 m/s  c=2.0 m/s (correlations)  c=2.5 m/s  
         24-month damping: c=2.0 m/s  c=2.5 m/s  
         Curl extrapolated to coast (rwint5): c=2.0 m/s, d=9 months  Overlay rwint5 and rwint2
         ECMWF winds (rwint2-ec): c=2.0 m/s, d=9 months  Overlay FSU and ECMWF vectors
         ERS blended scat winds (rwint2-ers): c=2.0 m/s: d=9 months  d=9 months (smooth)  d=6 months (smooth)  d=24 months
            c=2.5 m/s: d=24 months  d=9 months (smooth)  d=6 months (smooth)
         Quikscat winds (rwint2-qs): c=2.0 m/s, d=9 mon  c=2.0 m/s, d=3 mon  c=2.5 m/s, d=9 mon  c=3.0 m/s, d=9 mon  c=3.0 m/s, d=5 mon  
         Quikscat winds as Amplitude and Phase: c=2.0 m/s, d=9 mon  c=2.0 m/s, d=3 mon  c=2.5 m/s, d=9 mon  c=3.0 m/s, d=9 mon  c=3.0 m/s, d=5 mon  
    7. Compare Rossby and Ekman solutions (1 cpy harmonic): Vectors: FSU  ERS  Amp/phaseFSU  ERS  
    8. Overlay obs/model vectors: c=2.0 m/s  Emphasize difference vectors  c=2.5 m/s 
    9. Compare W and W/O damping (overlay obs-model difference vectors): c=2.0 m/s  c=2.5 m/s  
    10. RW propagation speeds (BC and winds)

    11. Sverdrup thermocline from RW model: c=2.0 m/s  c=2.5 m/s

    12. Figures documenting the output of the model (x-t sections at all latitudes):
      Columns link to: Full values, Anomalies, Comparison with obs
      22.5°N  Full  Anomalies  Comparison
      21.5°N  Full  Anomalies  Comparison
      20.5°N  Full  Anomalies  Comparison
      19.5°N  Full  Anomalies  Comparison
      18.5°N  Full  Anomalies  Comparison
      17.5°N  Full  Anomalies  Comparison
      16.5°N  Full  Anomalies  Comparison
      15.5°N  Full  Anomalies  Comparison
      14.5°N  Full  Anomalies  Comparison
      13.5°N  Full  Anomalies  Comparison
      12.5°N  Full  Anomalies  Comparison
      11.5°N  Full  Anomalies  Comparison
      10.5°N  Full  Anomalies  Comparison
        9.5°N  Full  Anomalies  Comparison
        8.5°N  Full  Anomalies  Comparison
        7.5°N  Full  Anomalies  Comparison
        6.5°N  Full  Anomalies  Comparison
        5.5°N  Full  Anomalies  Comparison
        4.5°N  Full  Anomalies  Comparison
        3.5°N  Full  Anomalies  Comparison

    13. Compare obs Z20 and ERS RW solution (total only, 4 lats at a time):

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