TY - JOUR A1 - Carrassi, A. A1 - Trevisan, A. A1 - Descamps, L. A1 - Talagrand, O. A1 - Uboldi, F. T1 - Controlling instabilities along a 3DVar analysis cycle by assimilating in the unstable subspace: a comparison with the EnKF JO - Nonlin. Processes Geophys. J1 - NPG VL - 15 IS - 4 SP - 503 EP - 521 Y1 - 2008/07/01 PB - Copernicus Publications SN - 1023-5809 UR - http://www.nonlin-processes-geophys.net/15/503/2008/ L1 - http://www.nonlin-processes-geophys.net/15/503/2008/npg-15-503-2008.pdf ER -