UV VIS2

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UV_VIS2
Option to activate/deactivate horizontal, harmonic viscosity of momentum. The hamonic mixing of momentum can be applied along terrain-following or geopotential levels. In ROMS, the viscosity is derived from the horizontal divergence of the deviatory stress tensor (Wajsowicz, 1993).
parameter = visc2(ng)
variable = visc2_p(:,:), visc2_r(:,:)
required = MIX_S_UV, MIX_GEO_UV
related = VISC_GRID
routine = uv3dmix2_s.h, uv3dmix2_geo.h, uv3dmix.F