Fig. 2
From: Estimating GRACE terrestrial water storage anomaly using an improved point mass solution
RMSE maps for the respective TWSA products. The maps show the RMSE values expressing the noise level of the respective TWSA solutions between July 2004 and June 2010 for the CSR-M (a), GravIS (b), GSFC-M (c), HHU-IPM (d), and JPL-M (e) solutions. The areas in grey indicate the cells at which the RMSE values of GRACE solutions are equal to or larger than half of the standard deviation of the observations.
