Validation and testing of dissipative continuous and numerical approximations for geophysical flows.
Some slides: https://docs.google.com/presentation/d/1Vfu3KYTvz5GD12X_4dJPKFN_6IMJIdnir3KWWzifmag/edit?usp=sharing
Visualization of vorticity and a passive dye from a "inviscid" two-dimemsional simulation: