data_vars ["v"]# v# alt_names 'vz' 'v3d' cmap 'cmo.delta:piv0' name None squeeze None search_order 'sn' loc None add_loc False exclude False ["attrs"] standard_name 'sea_water_y_velocity' 'northward_sea_water_velocity' long_name 'Sea water velocity along Y' 'Northward velocity' units 'm s-1' ["add_coords_loc"] Empty dictionary ["select"] Empty dictionary