19 | | SALSA can be run with horizontal boundary conditions that differ from the remaining PALM code. See the respective boundary condition parameters like [wiki:doc/app/salsa_parameters#bc_aer_n bc_aer_n]. For example, it is possible to: |
20 | | * Use non-cyclic boundary conditions for the SALSA variables, while cyclic conditions are used for all other variables |
21 | | * Disable self-nesting for SALSA variables and run SALSA e.g., only within a child domain (see [wiki:doc/app/salsa_parameters#nesting_salsa nesting_salsa]) |
22 | | * Disable offline nesting for SALSA variables (see [wiki:doc/app/salsa_parameters#nesting_offline_salsa nesting_offline_salsa]) |
| 19 | == Boundary conditions for the SALSA variables == |
| 20 | |
| 21 | SALSA can be run with horizontal boundary conditions that differ from the remaining PALM code. For example, it is possible to: |
| 22 | |
| 23 | * Use non-cyclic boundary conditions for the SALSA variables, while cyclic conditions are used for all other variables. If there are aerosol sources/sinks in the simulation domain, using cyclic conditions for the SALSA variables would lead to accumulation and a constant increase/decrease of concentrations in the domain. |
| 24 | * Disable self-nesting for SALSA variables and run SALSA e.g., only within a child domain (see [wiki:doc/app/salsa_parameters#nesting_salsa nesting_salsa]). |
| 25 | * Disable offline nesting for SALSA variables (see [wiki:doc/app/salsa_parameters#nesting_offline_salsa nesting_offline_salsa]). |
| 26 | |
| 27 | All the scanerios above require setting the respective boundary condition parameters [wiki:doc/app/salsa_parameters#bc_aer_n bc_aer_n], [wiki:doc/app/salsa_parameters#bc_aer_s bc_aer_s], [wiki:doc/app/salsa_parameters#bc_aer_l bc_aer_l],[wiki:doc/app/salsa_parameters#bc_aer_r bc_aer_r], [wiki:doc/app/salsa_parameters#bc_aer_b bc_aer_b] and [wiki:doc/app/salsa_parameters#bc_aer_t bc_aer_t]. |