Authors: Bouttier, F Kelly, G

Citation: F. Bouttier et G. Kelly, Observing-system experiments in the ECMWF 4D-Var data assimilation system, Q J R METEO, 127(574), 2001, pp. 1469-1488

Authors: Jarvinen, H Andersson, E Bouttier, F

Citation: H. Jarvinen et al., Variational assimilation of time sequences of surface observations with serially correlated errors, TELLUS A, 51(4), 1999, pp. 469-488

Authors: Derber, J Bouttier, F

Citation: J. Derber et F. Bouttier, A reformulation of the background error covariance in the ECMWF global data assimilation system, TELLUS A, 51(2), 1999, pp. 195-221