PowerPoint Presentation - COMPARISON OF ENSEMBLE-BASED AND VARIATIONAL-BASED DATA ASSIMILATION SCHEMES IN A QUASI-GEOSTROPHIC MODEL

Diagnosis of observation error statistics
(Desroziers et al, 2006, Navascues et al, 2006)

if the R and B statistics are correct and errors are uncorrelated

Desroziers et al, 2006, introduced two new statistical relationships:

Writing their inner products we obtain two equations which we can use to ÒobserveÓ R and :

(2)