TY - CPAPER AU - M. Jarraud AU - Adrian Simmons AU - M. Kanamitsu BT - Seminar/Workshop on Observation, Theory and Modelling of Orographic effects. Seminar: 15-19 September 1986, Workshop: 19-20 September 1986 CY - Shinfield Park, Reading DA - 1986 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1986 SP - 81 EP - 128 T2 - Seminar/Workshop on Observation, Theory and Modelling of Orographic effects. Seminar: 15-19 September 1986, Workshop: 19-20 September 1986 TI - The concept, implementation and impact of an envelope orography VL - 2 ER -