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Predictability » runs Contro l Initializ ed Observatio ns BIAS = mean ( Δ conc. )

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Predictability  » runs. Control. Observations. Initialized. BIAS = mean ( Δ conc . ). Southern Ocean : benefits from assimilation disappear rapidly (~2-3 months ). «  Initialized  » worse than « Control ». Performance of initialized run (Control run = 1). - PowerPoint PPT Presentation

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Page 1: Predictability  »  runs

 Predictability » runs

Control

Initialized

Observations

BIAS = mean ( Δ conc. )

Page 2: Predictability  »  runs

« Initialized » worse than « Control »

« Initialized » better than « Control »

Southern Ocean: benefits from assimilation disappear rapidly (~2-3

months)

Performance of initialized run(Control run = 1)

Page 3: Predictability  »  runs

« Initialized » worse than « Control »

« Initialized » better than « Control »

Arctic: re-emergence of low bias

7 Sep 2005

13 Sep 2006

Performance of initialized run(Control run = 1)

Page 4: Predictability  »  runs

« Initialized » worse than « Control »

« Initialized » better than « Control »

Arctic: re-emergence of low bias

6 Sep 2004

8 Sep 2005

Performance of initialized run(Control run = 1)

Page 5: Predictability  »  runs

Observed sea ice concentration, September 7th, 2005

Page 6: Predictability  »  runs

LIM3 (control) sea ice concentration, September 7th, 2005

Page 7: Predictability  »  runs

LIM3 (init. March 2005) sea ice concentration, September 7th, 2005

Page 8: Predictability  »  runs

Observed sea ice concentration, September 10th, 2007

Page 9: Predictability  »  runs

LIM3 (control) sea ice concentration, September 10th, 2007

Page 10: Predictability  »  runs

LIM3 (init. March 2007) sea ice concentration, September 10th, 2007