!-----------------------------------------------------------------------
&nam_dynspg   !   surface pressure gradient   (CPP key only)
!-----------------------------------------------------------------------
!  "key_vvl"                     !  Activate the variable volume level
!  "key_dynspg_exp"              !  explicit free surface              
!  "key_dynspg_flt"              !  filtered free surface           
!  "key_dynspg_ts"               !  split-explicit free surface    
!  "key_dynspg_rl"               !  rigid-lid                  
/