PACS PI meeting September 2000: Seasonal and interannual modulation of mixed layer variability at 0 110W

Warning: This writeup was done to help organize my thoughts prior to the presentation.
The actual presentation may have been quite different!

PACS PI Meeting

Potomac, MD -- September 6 2000

  • Fig. 1: Title slide. (1.5min/1.5min)

    Seasonal and interannual modulation of mixed layer variability at 0 110W

    Meghan F. Cronin
    William S. Kessler

    NOAA/Pacific Marine Environmental Laboratory, Seattle, WA USA

    Acknowledgements: TAO Project Office

  • Fig. 2: TIME-LONGITUDE of SST&ws (1 min./2.5 min)
  • Fig. 3: EMP at 0 110W (1.5 min / 4 min)

  • Fig. 4: Inversions (1 min / 5 min)

  • Fig. 5: Diurnal cycle modulation (2 min / 7 min)

  • Fig. 6: Q0 seasonal climatologies at 0 110W (1.5 min / 8.5 min)

  • Fig. 7: Long time series (1.5 min / 10 min)

  • Fig. 8: Interannual variability (1 min / 11 min)

  • Fig. 9: Conclusion (1.5 min/12.5min)


    * Regime shift during 1997-98 ENSO. As SST rose above 28.5C, eastern Pac resembled WP

    * Temperature inversions (barrier layers) during final stages of El Nino (implications: extend warming?)

    * SST diurnal cycle has seasonal and interannual modulation...
    (implications for MLD, Q0, Qlat, Qsen, C02 flux)

    Note that CO2 flux estimates are sensitive to SST and what one calls SST. Can 5 m or 10 m temperature be used as the SST? During the warm season and during La Nina cold events there is strong diurnal warm layer.

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    Meghan F. Cronin
    Pacific Marine Environmental Laboratory
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    Seattle, WA 98115 USA
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