Github repo's
Multi-Fidelity EnKF
Github repository containing the code for the Multi-Fidelity Ensemble Kalman Filter (MF-EnKF) implementation, together with the Lorenz-2005 and QG test models and their ML surrogate models:
https://github.com/jcvandervoort/Multi_Fidelity_EnKF_with_ML_surrogateÂ