The variable ndflux_u is defined as:The variable ndflux_d is defined as:The variable ncflux_u is defined as:The variable ncflux_d is defined as:The variable ntrlflux_u is defined as:The variable ntrlflux_d is defined as:The variable ntflux_u is defined as:The variable ntflux_d is defined as:The variable nteflux_u is defined as:The variable nteflux_d is defined as: