1 / 32

Clara Deser, NCAR

Symposium in Honor of Maurice Blackmon . Clara Deser, NCAR. Symposium in Honor of Maurice Blackmon . Mentor Extraordinaire. Clara Deser, NCAR. CDC Postdoc 1990-1991 Res. Sci. 1992-1996 NCAR Scientist 1997-. CGD Women Scientists Hired by Maurice Blackmon . Clara Deser.

ranee
Download Presentation

Clara Deser, NCAR

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Symposium in Honor of Maurice Blackmon Clara Deser, NCAR

  2. Symposium in Honor of Maurice Blackmon Mentor Extraordinaire Clara Deser, NCAR CDC Postdoc 1990-1991 Res. Sci. 1992-1996 NCAR Scientist 1997-

  3. CGD Women Scientists Hired by Maurice Blackmon Clara Deser Bette Otto-Bliesner Marika Holland

  4. Blackmon and Bjerknes:Air-Sea Interaction in the North Atlantic Clara Deser, NCAR

  5. Blackmon J.Bjerknes Synoptic Meteorology ENSO North Atlantic Air-Sea Interaction

  6. Composite SLP, SST High (1904, 1913, 1920) minus Low (1902, 1909, 1915) Year-to-year variability “Atlantic Air-Sea Interaction” Jacob Bjerknes, 1964, Adv. in Geophysics 82 pp 1920-1924 minus 1894-1898 Multi-decadal trends: Ocean forcing atmosphere?

  7. Composite SLP, SST High (1904, 1913, 1920) minus Low (1902, 1909, 1915) L C W Year-to-year variability: H 1920-1924 minus 1894-1898 Multi-decadal trends: Ocean forcing atmosphere? “Atlantic Air-Sea Interaction” Jacob Bjerknes, 1964, Adv. in Geophysics 82 pp

  8. Composite SLP, SST High (1904, 1913, 1920) minus Low (1902, 1909, 1915) L C W Year-to-year variability: Atmosphere forcing ocean H 1920-1924 minus 1894-1898 Multi-decadal trends: Ocean forcing atmosphere? “Atlantic Air-Sea Interaction” Jacob Bjerknes, 1964, Adv. in Geophysics 82 pp

  9. Composite SLP, SST High (1904, 1913, 1920) minus Low (1902, 1909, 1915) L C W Year-to-year variability: Atmosphere forcing ocean H L 1920-1924 minus 1894-1898 C Multi-decadal trends: Ocean forcing atmosphere? W H “Atlantic Air-Sea Interaction” Jacob Bjerknes, 1964, Adv. in Geophysics 82 pp

  10. Composite SLP, SST High (1904, 1913, 1920) minus Low (1902, 1909, 1915) L C W Year-to-year variability: Atmosphere forcing ocean H L 1920-1924 minus 1894-1898 C Multi-decadal trends: Ocean forcing atmosphere? W H

  11. Gulf Stream “Warming” (Bjerknes, 1964) +3 °C +3 °C 1890 1900 1910 1920 1930

  12. Composite SLP, SST High (1904, 1913, 1920) minus Low (1902, 1909, 1915) L C W Year-to-year variability: Atmosphere forcing ocean H L 1920-1924 minus 1894-1898 C Multi-decadal trends: Ocean forcing atmosphere? W H “Atlantic Air-Sea Interaction” Jacob Bjerknes, 1964, Adv. in Geophysics 82 pp

  13. North Atlantic Air-Sea Interaction Revisited “Surface Climate Variations over the North Atlantic Ocean during Winter: 1900-1989” Deser and Blackmon (J. Climate 1993) “Interdecadal Variations in North Atlantic Sea Surface Temperature and Associated Atmospheric Conditions” Kushnir (J. Climate 1994) Comprehensive Ocean-Atmosphere Data Set (COADS)NOAA OGP “Atlantic Climate Change Program”

  14. 1861-1880 1921-1940 COADS Data Coverage 1881-1900 1941-1960 1901-1920 1961-1980 Percent of months with data

  15. Warm minus Cold Years 50-60N Year-to-year variability: Atmosphere forcing ocean L W C C W H W Kushnir 1994 H L L C W H

  16. 1950-1964 minus 1970-1984 W Multi-decadal trends: Ocean forcing atmosphere? Kushnir 1994 L

  17. Deser and Blackmon (1993) Objective Analysis of Sea Surface Temperature Variability EOF 2 (1900-1989) + - Sea Ice SST 1960 1970 1980 1990

  18. Deser and Blackmon (1993) Objective Analysis of Sea Surface Temperature Variability EOF 2 (1900-1989) Associated Surface Winds + C - W Sea Ice SST 1960 1970 1980 1990

  19. Deser and Blackmon (1993) Objective Analysis of Sea Surface Temperature Variability EOF 2 (1900-1989) Associated Surface Winds + C - W SST, Air T Sea Ice SST 1960 1970 1980 1990

  20. Deser and Blackmon (1993) Objective Analysis of Sea Surface Temperature Variability EOF 2 (1900-1989) Associated Surface Winds ICE + C - W SST, Air T Sea Ice ICE SST SST 1960 1970 1980 1990 1960 1970 1980 1990

  21. Atmospheric Response toNorth Atlantic Sea Ice and Sea Surface Temperature Anomalies Recent Work

  22. Atmospheric Response toNorth Atlantic Sea Ice and Sea Surface Temperature Anomalies Recent Work Shiling Peng with Ting, Whittaker, Hoerling, Alexander, Li NOAA Climate Diagnostics Center “The Transient Atmospheric Circulation Response to North Atlantic SST and Sea Ice Anomalies” (Deser, Tomas and Peng: J. Climate 2007)

  23. Transient Atmospheric Response Atmospheric GCM Experiments (NCAR CCM3) Imposed SST Anomaly Dec 1 Apr 30 Initial Condition 1 SST climatology SST climatology + anomaly +6 °C Initial Condition 240 SST climatology SST climatology + anomaly

  24. Geopotential Height Response Day 1 Day 2 Day 3 Day 4 Day 5 PositiveNegative Contour interval = 10 m shading: 95% significance

  25. Weekly Response 1-5 6-10 11-15

  26. Weekly Response 1-5 Baroclinic  Barotropic Amplification Local  Hemispheric 6-10 11-15

  27. Spatial Correlations Between1000mb and 300mb Geopotential Height Responses Transition at 4 weeks Baroclinc Barotropic

  28. Geopotential Height Response Intrinsic Variability

  29. Geopotential Height Response Forced by Diabatic Heating Transient eddy vorticity flux convergence

  30. Equilibrium Geopotential Height Response + SST - SST + SST

  31. Symposium in Honor of Maurice Blackmon Clara Deser, NCAR

More Related