TY - GEN AU - Florence Rabier AU - A. McNally AU - Erik Andersson AU - P. Courtier AU - P. Undén AU - J. Eyre AU - A. Hollingsworth AU - F. Bouttier BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 01/1998 DO - 10.21957/spflvp223 LA - eng M1 - 242 PB - ECMWF PP - Shinfield Park, Reading PY - 1998 EP - 24 T2 - ECMWF Technical Memoranda TI - The ECMWF implementation of three dimensional variational assimilation. Part II: Structure functions UR - https://www.ecmwf.int/node/11799 ER -