Precision and convergence speed of the ensemble Kalman filter-based parameter estimation: setting parameter uncertainty for reliable and efficient estimation

Progress in Earth and Planetary Science

Table 1 List of experimental settings

Experimental ID	μ_init	σ	Initial time
Exp. 1	0 (Cr = 130)	0.05 (ΔCr ~ 6.5)	T = 4 h
Exp. 2	0	0.1 (ΔCr ~ 13)	T = 4 h
Exp. 3	0	0.2 (ΔCr ~ 26)	T = 4 h
Exp. 4	0	0.4 (ΔCr ~ 49)	T = 4 h
Exp. 5	0.55 (Cr = 195)	0.05	Every 1 h from T = 7 h
Exp. 6	0.55	0.1	Every 1 h from T = 7 h
Exp. 7	0.55	0.2	Every 1 h from T = 7 h
Exp. 8	0.55	0.4	Every 1 h from T = 7 h
Exp. 9	− 0.55 (Cr = 65)	0.05	Every 1 h from T = 7 h
Exp. 10	− 0.55	0.1	Every 1 h from T = 7 h
Exp. 11	− 0.55	0.2	Every 1 h from T = 7 h
Exp. 12	− 0.55	0.4	Every 1 h from T = 7 h