Check out new work led by Dr. Rafael Santana of NIWA, published in Geoscientific Model Development,
https://gmd.copernicus.org/articles/16/3675/2023/
In this paper, Rafa looks at how assimilation of various ocean datasets can help (or hinder!) accurate simulation of the East Auckland Current region, one of the wilder Western Boundary Currents we have on our planet.
Seasick Suanda 