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Earth, Planets and Space
Fig. 12 | Earth, Planets and Space

Fig. 12

From: Adjoint-based direct data assimilation of GNSS time series for optimizing frictional parameters and predicting postseismic deformation following the 2003 Tokachi-oki earthquake

Fig. 12

Daily misfit values. Misfit between the theoretical and the observed time series are daily summed up for all GNSS stations. The theoretical time series are calculated by using the first-guess values (pink circles), the optimum values when only frictional parameters are optimized (red circles), and the optimum values when frictional parameters and initial values are simultaneously optimized (orange circles), respectively

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