Fig. 8From: Mass-related excitation of polar motion: an assessment of the new RL06 GRACE gravity field modelsDifferences of the excitation functions for the mass effects of the continental hydrosphere \(\chi ^{H}\), the oceans \(\chi ^{O}\), Antarctica \(\chi ^{A}\) and Greenland \(\chi ^{G}\) derived from GRACE RL05 (blue) and RL06 (red) data with respect to the mean excitation functionsBack to article page