TY - CPAPER
AU - C. Piccolo
BT - ECMWF Workshop on Diagnostics of data assimilation system performance, 15 - 17 June 2009
CY - Shinfield Park, Reading
DA - 2009
LA - eng
PB - ECMWF
PP - Shinfield Park, Reading
PY - 2009
SP - 27
EP - 36
T2 - ECMWF Workshop on Diagnostics of data assimilation system performance, 15 - 17 June 2009
TI - Evolution of forecast error covariances in the dD-Var and ETKF methods
ER -