Table 1.

Optimised hyperparameters of trained Gaussian process regression models.

	1st Model of {$L_e,r,\nu ,\theta$}	2nd Model of {$\mathrm{\Delta }L,r,\nu ,h$}
Basis function	Constant	Constant
Kernel function	Nonisotropic matern 5/2	Nonisotropic exponential
Kernel scale	1.4247	0.41212
σ	0.009315	0.00063918
Standardise	true	false