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 and Advanced Geodynamics
Prerequisite: some familiarity with
(or willingness to learn ) partial differential equations and
Fourier transforms.
David Sandwell; 1102 IGPP; dsandwell@ucsd.edu; Ph.
5347109 Cell. 8586639426
Lecture course, 4units, letter grade or S/U grade, homework, presentations, quizes, final.
The grades are based on 1020 points
for every problem. Homework, quiz, and final problems are all
1020 points each. The presentations are 50 points each.
DATE 
TOPIC 
READING/HOMEWORK 
LECTURER 
Review complex numbers and contour
integration 
Problems 

Introduction and
Plate Tectonics 

02 OCT 
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 Ex. 1.1  1.5 
Sandwell 
05 OCT 
3.1  3.2 Plate Tectonic 
Theory 
Read: The
Ocean basins: Their Structure and Evolution, Chapter 2 (in IGPP Reading Room) Reference: MORVEL Tectonic Model 
Sandwell 
07 OCT 
3.3  3.7 Plate Motions on a Sphere 2.1 2.4 Fourier Transforms 
Functions of a Complex
Variable (review); Matlab Tutorial HW2 Ex. 3.2  3.5 
Sandwell 
09 OCT 
2.5  2.7 Fourier
Transforms 
HW3
Ex. 2.3  2.9 Matlab Hints 
Sandwell 
12 OCT 
4.1  4.6 Marine Magnetic Anomalies Plate Motions, Reconstructions, and Plumes 
View
Videos on Plate Tectonics Maria Seton Dick Hey John Tarduno 
Sandwell 
Heat Flow  
14 OCT 
Heat
Conduction, Heat Flow Measurements, and Global Heat Budget 
Read: T&S, Ch. 4.1 to 4.19 
Sandwell 
16 OCT 
Continental and Oceanic
Geotherms 
HW4 Heat Flow Papers for HW4 
Sandwell 
19 OCT 
More heat from from T&S 
Read: T&S,
Ch. 4.19 to 4.26 
Sandwell 
21 OCT 
5.1  5.3 Cooling of the Oceanic Lithosphere  HW5
 Problems from T&S, Ch. 4 49, 410, 414, 423, 424, 437 
Sandwell 
23 OCT 
Quiz on Plate Tectonics and Fourier
Transforms 

26 OCT 
5.4  5.5 Thermal Subsidence 
Parsons and
Sclater, JGR, 1977 Stein and Stein, Nature, 1992 
Sandwell 
28 OCT 
5.6 Buoyancy of the
Lithosphere; Dikes and sills; Cooling of a Lava Lake (Stefan Problem) 
Doin
and Fleitout, EPSL, 1996 Hillier and Watts, JGR, 2005 
Sandwell 
30 OCT 
6.1  6.5
Review Stress and Strain Solutions to Exercises 6.1 and 6.2 

Sandwell 
Isostasy, Rheology, and Flexure  
02 NOV 
7.1  7.6 Isostasy and Swell Push Force 7.6 Rheology of the Lithosphere 
Flesch et al., 2001 
Sandwell 
04 NOV 
Moment vs.
Curvature 8.1  8.3 Flexure Theory 
Read T&S, Ch3.1 to 3.9 
Sandwell 
06 NOV 
9.1  9.3 Flexure Examples 
Burov and Watts Burgmann and Dresen_2008 Read: T&S, Ch 3.9 to 3.12 HW6  Problems from T&S, Ch. 3 31, 37, 314, 319, 322 
Sandwell 
09 NOV 
Presentations of heat flow problems  Read: T&S, Ch. 3.13 to 3.18  
13 NOV 
Presentations of heat flow problems 
HW7 Flexure Papers for HW7 

Earthquakes  

16 NOV 
10.1  10.3 Strikeslip fault: deformation and moment  Read: T&S Ch. 8.1 to 8.9  Sandwell 
18 NOV 
11.1  11.2 Heat Flow Paradox  Sandwell 

20 NOV 
Earthquake Cycle 
Sandwell  
Gravity  
23 NOV 
12.1  12.2 Global
Gravity 13.1  13.5 Reference Earth Model 
Sandwell  
25 NOV 
15.1  15.3 Laplace's
Equation and Satellite Altimetry 
HW8 Read: Watts, JGR, 1978 
Sandwell 
30 NOV 
16.1  16.7 Poisson's Equation and Bouguer
Anomalies 


02 DEC 
Presentations for HW7  
04 DEC 
Presentations
for HW7 
Read: T&S, Ch. 6.1 to 6.10 

07 DEC 
17.1  17.7 Gravity/topography transfer function and Isostatic geoid anomalies  HW9  Problems
from T&S, Ch. 6 61, 63, 66, 611 

Fluid Mechanics 

09 DEC 
Channel Flow and Stream Function  Sandwell 

11 DEC 
18.1  18.3 Postglacial Rebound  Sandwell 
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.
Advanced
Geodynamics: Fourier Transform Methods, Sandwell, D. T.,
Cambridge 2021.
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., McGrawHill 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 MATLAB or Python.