TY - SLIDE KW - annual seminar AU - M. Rienecker AU - R. Gelaro AU - S. Pawson AU - R. Reichle BT - ECMWF Annual Seminar 2011 C1 - Events DA - 2011 LA - eng PY - 2011 T2 - ECMWF Annual Seminar 2011 T3 - ECMWF Annual Seminar TI - The global observing system in the assimilation context ER -