| Symbol | Description | Uses |
| viscA4D | Biharmonic viscosity coeff. for mixing of momentum laterally | 16 |
| File | Line number | Procedure | Code |
| ./pkg/mom_vecinv/mom_vi_hdissip.F | 392 | MOM_VI_HDISSIP |
uD4 = viscA4D* |
| ./pkg/mom_vecinv/mom_vi_hdissip.F | 398 | MOM_VI_HDISSIP |
& + viscA4D* ( Dij-Dim )*recip_DYC(i,j,bi,bj) |