GEODYNAMICS- SIO 234

http://topex.ucsd.edu/geodynamics

A general course on the dynamics and kinematics of the solidearth based on the text of Turcotte and Schubert.
Prerequisite: some familiarity with (or willingness to learn ) partial differential equations and fourier transforms.



David Sandwell; 1102 IGPP; dsandwell@ucsd.edu; Ph. 534-7109

Lecture course, 4-units, letter grade or S/U grade, homework, presentations, quizes, final.

MWF, 9:00 - 9:50 AM,  - Munk Conference Room

Typo contest for Appendix to Geodynamics: Please send page number and issue or any typo's
(equation, spelling, etc.) based on the latest on-line version of the Appendix.  The person finding the most issues will win a 2 Tb USB external disk drive.   Typo's will be counted until they are corrected in the on-line version (please refresh your browser.)


SYLLABUS
DATE
TOPIC
READING/HOMEWORK
LECTURER

Review complex numbers and contour integration
Problems


Introduction and Plate Tectonics


28 SEP
Class Overview
1.1 Observations related to plate tectonics
KML files
Read: T&S, Ch. 1.1 to 1.14 or
Plate Tectonics, S,T&O, Ch. 2.
HW1 Appendix: Ex. 1.1 - 1.5; Due 03 OCT
Sandwell
01 OCT
3.1 - 3.2 Plate Tectonic - Theory
Plate Map
Read: The Ocean basins: Their Structure 
and Evolution
, Chapter 2 (in IGPP Reading Room)

Reference: MORVEL Tectonic Model
Sandwell
03 OCT
3.3 - 3.7 Plate Motions on a Sphere
2.1- 2.4 Applications of Fourier Transforms
Functions of a Complex Variable (review);
Matlab Tutorial
HW2 Appendix: Ex. 3.2 - 3.5; Due 10 OCT
Sandwell
05 OCT
2.5 - 2.7 Properties of Fourier Transforms
HW3 Appendix: Ex. 2.6 - 2.9; Due 17 OCT Sandwell
08 OCT
4.1 - 4.6 Marine Magnetic Anomalies
Plate Motions, Reconstructions, and Plumes
Anti-plume hypothesis
View Videos on Plate Tectonics
Maria Seton
Dick Hey
John Tarduno
Sandwell

Heat Flow

10 OCT
Heat Conduction, Heat Flow Measurements, and Global Heat Budget
Read: T&S, Ch. 4.1 to 4.19
Sandwell
10 OCT
1-2 PM Optional Review of Math problems - Revelle Conference Room
Problems
12 OCT
Continental and Oceanic Geotherms
HW4
Heat Flow Papers for HW4
Sandwell
15 OCT
More heat from from T&S
Read: T&S, Ch. 4.19 to 4.26

Sandwell
17 OCT
5.1 - 5.3 Cooling of the Oceanic Lithosphere HW5 - Problems from T&S, Ch. 4
4-9, 4-10, 4-14, 4-23, 4-24, 4-36, 4-37
DUE 24 OCT
Sandwell
19 OCT
No Class
Selection of HF problem

22 OCT
5.4  Ocean Floor Topography
Read: Hasterok, 2013

Sandwell
24 OCT
Depth versus age
Buoyancy of the Lithosphere;

Dikes and sills;
Cooling of a Lava Lake (Stefan Problem)
Summary of Boundary Later Cooling
Parsons and Sclater, JGR, 1977
Stein and Stein, Nature, 1992
Doin and Fleitout, EPSL, 1996
Hillier and Watts, JGR, 2005

Sandwell
26 OCT
Subduction on Venus
6.1 - 6.6 Isostasy and Crustal Thickness
Read: Lateral Plate Shrinkage Sandwell

Isostasy, Rheology, and Flexure

29 OCT

7.1 - 7.5 Review Stress and Strain
Solutions to Exercises 7.1 and 7.2

Schubert and Sandwell, 1989
Flesch et al., 2001

Sandwell
31 OCT
Moment vs. Curvature
8.1 - 8.3 Flexure Theory
Read T&S, Ch3.1 to 3.9
Sandwell
02 NOV
8.3 Buckling and Yield Strength Envelope (YSE)
9.1 - 9.19 Flexure Examples
Brace and Kohlstedt, JGR, 1980
Burov and Watts
Burgmann and Dresen_2008
Read: T&S, Ch 3.9 to 3.12
HW6 -
Problems from T&S, Ch. 3
3-1, 3-7, 3-14, 3-19, 3-22
DUE 14 NOV
Sandwell
05 NOV
Presentations of heat flow problems Read: T&S, Ch. 3.13 to 3.18 A-Magnetics
C-Wine Cellar
07 NOV
Presentations of heat flow problems

HW7
Flexure Papers for HW7
F-Plume
G-Frictional Heating

Earthquakes

09 NOV 10.1 - 10.3 Strike-slip fault: deformation and moment Read: T&S Ch. 8.1 to 8.9 J-Vertical loading
Sandwell
12 NOV
Optional Field Trip - Pinon Flat
Please sign waiver
Pinon Guide
Radar Reflectors
KMZ  for reflectors

14 NOV
11.1 - 11.3 Heat Flow Paradox
Sandwell
16 NOV
Earthquake Cycle

Sandwell

Gravity

19 NOV
12.1 - 12.2 Global Gravity
13.1 - 13.5 Reference Earth Model
Read: T&S, Ch. 5.1 to 5.5
Treatise on Geophysics
Wieczorek - planetary geodesy
HW8 - due 03 DEC
Sandwell
21 NOV
15.1 - 15.3 Laplace's Equation and Satellite Altimetry
Read: Watts, JGR, 1978 Sandwell
26 NOV
16.1 - 16.6 Poisson's Equation and Bouguer Anomalies
Read: Parker, 1973
28 NOV
Presentations for HW6
E-lake loading
A-ice shelf flexure

30 NOV
Presentations for HW6 Read: T&S, Ch. 6.1 to 6.10
B-seamount flexure
C-trench flexure
03 DEC
17.1 - 17.5 Gravity/topography transfer function and Isostatic geoid anomalies

V-viscoelasticity
Sandwell

Fluid Mechanics


05 DEC
Channel Flow and Stream Function HW9 - Problems from T&S, Ch. 6
6-1, 6-3, 6-6, 6-11
Due Dec 8
Sandwell
07 DEC
18.1 Postglacial Rebound
Sandwell
08 DEC
Take Home Final Exam Due Dec 15
Do the following 11 Exercises from the Appendix to Geodynamics. Use any books, notes, or internet but do not consult with others.
2.3, 3.1, 4.2, 5.2, 6.3, 8.1, 11.1, (12.1 or 12.5), 16.1, 17.1, 18.1

Please download a fresh version of the Appendix dated December 8 2018.

Sandwell


SIO 234 SUGGESTED BOOKS:

Textbooks:

Geodynamics: Second Edition,  Turcotte, D. L. and Schubert, G., Cambridge University Press, 2002.
or
Geodynamics: Third Edition,
Turcotte, D. L. and Schubert, G.,
Cambridge University Press, 2014.

 

Reference Books:

Mantle Dynamics:    Mantle Convection in the Earth and Planets, Schubert, G., Turcotte, D. L. and P. Olson, Cambridge University Press, 2001

Fourier Transforms:    The Fourier Transform and its Application, Bracewell, R. N.,  McGraw-Hill Book Co., New York, 1978.  (Chapters 2, 6)

Marine Geophysics:    The Ocean Basins: Their Structure and Evolution, The Open  University , Pergamon Press, 1989.   (Chapters 2, 3)

General Ref.:     Physics of the Earth, Stacey, F. D.,  John Wiley & Sons, New  York, 1969.

Computer Homework:

Computer homework can be done using Fortran, C, or MATLAB which runs on most machines.  If you do not have a computer account we will set you up.