Inversion Study of Vertical Eddy Viscosity Coefficient Based on an Internal Tidal Model with the Adjoint Method

Figure 7

Optimization history for experiments of Group Two, about (a) the cost function normalized by its initial value , (b) the norm of gradient of the cost function with respect to the VEVC, and (c) the MAEs between the inverted and prescribed VEVCs.

(a)

(b)

(c)