TY - JOUR A1 - Niwa, Y. A1 - Tomita, H. A1 - Satoh, M. A1 - Imasu, R. A1 - Sawa, Y. A1 - Tsuboi, K. A1 - Matsueda, H. A1 - Machida, T. A1 - Sasakawa, M. A1 - Belan, B. A1 - Saigusa, N. T1 - A 4D-Var inversion system based on the icosahedral grid model (NICAM-TM 4D-Var v1.0) – Part 1: Offline forward and adjoint transport models JO - Geosci. Model Dev. J1 - GMD VL - 10 IS - 3 SP - 1157 EP - 1174 Y1 - 2017/03/17 PB - Copernicus Publications SN - 1991-9603 UR - https://gmd.copernicus.org/articles/10/1157/2017/ L1 - https://gmd.copernicus.org/articles/10/1157/2017/gmd-10-1157-2017.pdf DO - 10.5194/gmd-10-1157-2017 ER -