TY - CPAPER AU - P.L. Houtekamer BT - Workshop on Representing Model Uncertainty and Error in Numerical Weather and Climate Prediction Models, 20-24 June 2011 CY - Shinfield Park, Reading DA - 2011 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 2011 SP - 163 EP - 174 T2 - Workshop on Representing Model Uncertainty and Error in Numerical Weather and Climate Prediction Models, 20-24 June 2011 TI - The use of multiple parameterizations in ensembles ER -