Figure 2
From: Earth’s Subdecadal Angular Momentum Balance from Deformation and Rotation Data

The axial moments of inertia are defined for cylindrical annuli (grey shaded region) that lie outside a single cylinder.
From: Earth’s Subdecadal Angular Momentum Balance from Deformation and Rotation Data

The axial moments of inertia are defined for cylindrical annuli (grey shaded region) that lie outside a single cylinder.