The Boundary Data Series form for the salinity boundary condition is identical with the general form discussed in External Forcing Data except for the View All Layers check box which the user can uncheck this which can be unchecked to remove the Layer columns.
The Salinity data for Open boundary if missing may be downloaded from online open sources are described in Download Online Data for Open Boundary Conditions. Users are able to select to apply the downloaded data for whole model time range or just fill some missing periods.
Figure 1. Boundary Data Series form for Salinity .