The Earth's rotational modes revisited

• Published in: Geophysical and astrophysical fluid dynamics Vol. 117; no. 3; pp. 213 - 224
• Main Author: Seyed-Mahmoud, B.
• Format: Journal Article
• Language: English
• Published: Abingdon Taylor & Francis 04.05.2023; Taylor & Francis Ltd
• Subjects: Angular momentum; Angular velocity; Approximation; Differential equations; Dynamics; Earth; Earth core; Earth models; Earth rotation; free inner core nutation; inner core wobble; Linearization; Momentum; Nonlinear differential equations; Nutation; Rotating bodies; Rotation; Rotational modes

In the conventional treatment of the Earth's rotational dynamics using the Earth's angular momentum description (AMD), it is customary to assume that the velocity/displacement of a mass element in the liquid core (LC) has a displacement as well as an explicit rigid rotation component in ad...