Online bias estimation in SSH assimilation - NASA Global Modeling ...
Online bias estimation in SSH assimilation - NASA Global Modeling ...
Online bias estimation in SSH assimilation - NASA Global Modeling ...
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Impact of <strong>assimilation</strong> on CGCM h<strong>in</strong>dcast skill<br />
• Old code with <strong>assimilation</strong> <strong>in</strong> model layers: 17-member EnKF<br />
• Assimilate T + <strong>SSH</strong> for February-April of each year of 1993-2002<br />
• Couple OGCM to AGCM & LSM after runn<strong>in</strong>g ODAS<br />
• 12-month CGCM h<strong>in</strong>dcasts <strong>in</strong>itialized us<strong>in</strong>g ocean states from EnKF runs<br />
(to save CPU time, CGCM h<strong>in</strong>dcasts have only 5 ensemble member)<br />
• Assess impact of <strong>assimilation</strong> on SST h<strong>in</strong>dcast skill<br />
• Compare to history of CGCMv1 May-start h<strong>in</strong>dcasts (problematic month)
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