Fourth Symposium on Integrated Observing Systems
    

Session 4

 Assimilation
 Organizer: Thomas Schlatter, NOAA/OAR, Boulder, CO
2:15 PM4.1The Development of NCEP 4D-Var System: Experimental Results Compared to those of 3D-Var  
X. Zou, Florida State Univ., Tallahassee, FL; and H. Liu, J. Derber, J. G. Sela, R. Treaton, and B. Wang
4.2Ensemble retrospective assimilation for a global nonlinear shallow-water model  
Yanqiu Zhu, NASA/GSFC, Greenbelt, MD; and R. Todling and S. E. Cohn
2:30 PM4.3Deterministic prediction of the error variance of a meteorological forecast  
Lars Peter Riishojgaard, JCET/Univ. of Maryland Baltimore County, Baltimore, MD
2:45 PM4.4Estimation of analysis error covariances from observation residuals  
Ricardo Todling, NASA/GSFC/DAO, Greenbelt, MD; and D. P. Dee
3:00 PM4.5Assimilation of SeaWinds scatterometer data in the GEOS data assimilation system  
Robert Atlas, NASA/GSFC, Greenbelt, MD; and E. Brin, S. C. Bloom, J. Ardizzone, J. Terry, J. C. Jusem, and D. Bungato
3:15 PMCoffee Break (Exhibit Hours 3:30-7:00 P.M.)  
3:45 PM4.6Design and validation of the GEOS ozone assimilation system  
Ivanka Stajner, NASA/GSFC, Greenbelt, MD; and L. P. Riishojgaard and R. B. Rood
4:00 PM4.7Development of a prognostic forecast error variance model for data assimilation  
Yong Li, NASA/GSFC, Greenbelt, MD; and S. E. Cohn, R. Todling, D. P. Dee, L. P. Riishojgaard, A. M. DaSilva, and Z. Toth
4:15 PM4.8Optimal Vorticity Forcing of Blocking Derived from A Variational Approach  
Shaoqing Zhang, Florida State Univ., Tallahassee, FL; and J. E. Ahlquist
4:30 PM4.9Producing unbiased analyses in the presence of forecast bias  
Ricardo Todling, NASA/GSFC, Greenbelt, MD; and D. P. Dee

Tuesday, 11 January 2000: 2:15 PM-4:45 PM

* - Indicates paper has been withdrawn from meeting

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