& min_x_noflow_SOUTH, max_x_noflow_SOUTH,
_RL min_x_noflow_SOUTH, max_x_noflow_SOUTH
CALL WRITE_0D_RL( max_x_noflow_SOUTH, INDEX_NONE,
& (x .le. max_x_noflow_SOUTH)) THEN
max_x_noflow_SOUTH = 0.