Non-linear Shallow-Water Model in a square

Optimal discretization of operators in the boundary region allows us to obtain the solution of a low-resolution model which averages and variability are very close to the solution of a high resolution (9 times smaller grid cells) model.

Some pictures
Averages
3 years averages of U and V velocity components and sea surface height in the classical low-resolution model
3 years averages of U and V velocity components and sea surface height in the classical high-resolution model
3 years averages of U and V velocity components and sea surface height in the classical low-resolution model with optimal boundary.

Variability
3 years MKE, EKE, and EPE in the classical low-resolution model
3 years MKE, EKE, and EPE in the classical high-resolution model
3 years MKE, EKE, and EPE in the classical low-resolution model with optimal boundary.

For more information,

Eugene.Kazantsev@imag.fr
Christine.Kazantsev@imag.fr


Last modified Jan 2010