This file is the raw output of Ariane software." ; "ntraj correponds to particle number, nb_output corresponds to time coordinate, which is relative to the release time of the particle." ; " To get the trajectory relative to the simulation t0 time, refer to 2016_2020_x1_traj_lonlat_init_t0_SMOC_UO_Utide_UStokes_scenario4_1d_0.0010_stop.nc file"