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Selected chapters on geodynamo theory - NGEO100

Title:	Vybrané partie z teorie geodynama
Guaranteed by:	Department of Geophysics (32-KG)
Faculty:	Faculty of Mathematics and Physics
Actual:	from 2020
Semester:	winter
E-Credits:	3
Hours per week, examination:	winter s.:2/0, Ex [HT]
Capacity:	unlimited
Min. number of students:	unlimited
4EU+:	no
Virtual mobility / capacity:	no
State of the course:	taught
Language:	Czech, English
Teaching methods:	full-time
Teaching methods:	full-time
Additional information:	https://teams.microsoft.com/l/team/19%3ad1978d8616074396af8d3f267306c9c5%40thread.tacv2/conversations?groupId=53124b97-4754-4da8-8f0e-d76a9f476c29&tenantId=e09276da-f934-4086-bf08-8816a20414a2

Guarantor:	doc. RNDr. Jakub Velímský, Ph.D.

Opinion survey results Examination dates WS schedule Noticeboard

Annotation -

Last update: T_KG (01.05.2013)

Follow-up lecture to the NGEO080 presenting more details about the mechanism of generation of the magnetic fields of Earth, Sun, and planets.

Aim of the course -

Last update: T_KG (01.05.2013)

Extended knowledge of geodynamo theory.

Course completion requirements - Czech

Last update: doc. RNDr. Jakub Velímský, Ph.D. (09.09.2020)

Forma zkoušky: ústní nebo distanční (telecon)

Požadavky odpovídají sylabu v rozsahu prezentovaném na přednášce.

Literature - Czech

Last update: T_KG (01.05.2013)

George Backus, Robert Parker, Cathy Constable, Foundations of Geomagnetism, Cambridge University Press, 1996.

David Gubbins, Emilio Herrero-Bervera (Eds.), Encyclopedia of Geomagnetism and Paleomagnetism, Springer, 2007.

John Jacobs (Ed.), Geomagnetism, Volumes I-IV, Academic press, London, 1987, 1991.

Moffatt H. K., Magnetic field generation in electrically conducting fluid, Cambridge University Press, 1978.

Roberts P. H., Introduction to the Magnetohydrodynamics, Longmans, 1967.

Teaching methods -

Last update: doc. RNDr. Jakub Velímský, Ph.D. (06.10.2017)

Lecture

Syllabus -

Last update: T_KG (01.05.2013)

Equations of geodynamo in Boussinesq and anelastic approximation. Anti-dynamo theorems. Geostrophic and mangetostrophic approximation. Taylor's condition. Nearly symmetric dynamos. MHD waves, Alfvén waves, MAC waves. Torsional oscillations. Convection instabilities and Schwarzschild criteria for onset of convection. Numerical models of geodynamo, solar dynamo, and planetary dynamos.