The experiment setting is similar to Twin Experiment 3, but with an two extra algorithmalgorithms: Dud-EnKF and EnKF-GS. Like in Twin Experiment 3, the noise parameters used in the filters are identical with the ones used in generating the truth. Hence, the filters should provide the most accurate results as possibly allowed by the ensemble size (8 members).
The filter Dud-EnKF and EnKF-GS took 76 and 69 hours respectively to finish the simulation over the period of 2015 (EnKF took about 59 hours).
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At assimilation station
RMSE over 51 analyses
At all stations:
