TY - SLIDE KW - workshop KW - High performance computing KW - Lappeenranta University of Technology KW - HPC KW - 11th AU - H. Auvinen AU - H. Haario AU - T. Kauranne C1 - Events DA - 2004 LA - eng PY - 2004 TI - Optimal approximation of Kalman filtering with temporally local 4DVAR in operational weather forecasting ER -