TY - GEN AU - P. Undén BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 12/1983 DO - 10.21957/0vdqwerkp LA - eng M1 - 82 PB - ECMWF PP - Shinfield Park, Reading PY - 1983 EP - 36 T2 - ECMWF Technical Memoranda TI - A method of correcting tidal biases in the data assimilation system UR - https://www.ecmwf.int/node/12865 ER -