TY - GEN AU - C. Blondin AU - H. Böttger BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 09/1987 DO - 10.21957/11771uwxr LA - eng M1 - 135 PB - ECMWF PP - Shinfield Park, Reading PY - 1987 EP - 48 T2 - ECMWF Technical Memoranda TI - The surface and sub-surface scheme in the ECMWF forecasting model: Revision andoperational assessment UR - https://www.ecmwf.int/node/8246 ER -