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.
5347109
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 

27 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 04 OCT 
Sandwell 
30 SEP 
3.1  3.2 Plate
Tectonic  Theory Plate Map Ivy Mike  Nuclear Test 
Read: The
Ocean basins: Their Structure and Evolution, Chapter 2 (in IGPP Reading Room) Reference: MORVEL Tectonic Model 
Sandwell 
02 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 11 OCT 
Sandwell 
04 OCT 
2.5  2.7
Properties of Fourier Transforms 
HW3
Appendix: Ex. 2.4  2.9; Due 18 OCT Matlab Hints 
Sandwell 
07 OCT 
4.1
 4.6 Marine Magnetic Anomalies Plate Motions, Reconstructions, and Plumes Antiplume hypothesis 
View
Videos on Plate Tectonics Maria Seton Dick Hey John Tarduno 
Sandwell 
Heat Flow  
09 OCT MUNK RM 
Heat
Conduction, Heat Flow Measurements, and Global Heat Budget 
Read: T&S, Ch. 4.1 to 4.19 
Sandwell 


11 OCT MUNK RM 
Continental and Oceanic
Geotherms 
HW4 Heat Flow Papers for HW4 
Sandwell 
14 OCT MUNK RM 
More heat from from T&S 
Read: T&S,
Ch. 4.19 to 4.26 
Sandwell 
16 OCT 
5.1  5.3 Cooling of the Oceanic Lithosphere  HW5
 Problems from T&S, Ch. 4 49, 410, 414, 423, 424, 436, 437 DUE 25 OCT 
Sandwell 
18 OCT 
Quiz on Plate Tectonics and Fourier
Transforms 

21 OCT 
5.4 Ocean Floor
Topography 
Parsons and
Sclater, JGR, 1977 Stein and Stein, Nature, 1992 
Sandwell 
23 OCT 
Depth versus age Buoyancy of the Lithosphere; Dikes and sills; Cooling of a Lava Lake (Stefan Problem) Summary of Boundary Later Cooling 
Doin
and Fleitout, EPSL, 1996 Hillier and Watts, JGR, 2005 
Sandwell 
25 OCT 
Subduction
on Venus 6.1  6.6 Isostasy and Crustal Thickness 
Read: Lateral Plate Shrinkage  Sandwell 
Isostasy, Rheology, and Flexure  
28 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 
30 OCT 
Moment vs.
Curvature 8.1  8.3 Flexure Theory 
Read T&S, Ch3.1 to 3.9 
Sandwell 
01 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 31, 37, 314, 319, 322 DUE 15 NOV 
Sandwell 
04 NOV 
Presentations of heat flow problems  Read: T&S, Ch. 3.13 to 3.18  
06 NOV Sea Cave Eckart 
Presentations of heat flow problems 
HW7 Flexure Papers for HW7 

Earthquakes  

08 NOV  10.1  10.3 Strikeslip fault: deformation and moment  Read: T&S Ch. 8.1 to 8.9  Sandwell 
11 NOV 
Optional Field Trip  Ridgecrest Earthquake Field Trip Plan, KMZfile, Please sign waiver 

13 NOV 
11.1  11.3 Heat Flow Paradox  Sandwell 

15 NOV 
Earthquake Cycle 
Sandwell  
Gravity  
18 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 
20 NOV 
15.1  15.3
Laplace's Equation and Satellite Altimetry 
Read: Watts, JGR, 1978  Sandwell 
22 NOV 
16.1  16.6
Poisson's Equation and Bouguer Anomalies 
Read: Parker, 1973  
25 NOV 
Presentations for HW7  

27 NOV 
Presentations for HW7  Read: T&S, Ch. 6.1 to 6.10 

29 NOV 
17.1  17.5
Gravity/topography transfer function and Isostatic geoid
anomalies 

Fluid Mechanics 

02 DEC 
Channel Flow and Stream Function  HW9  Problems from T&S, Ch. 6 61, 63, 66, 611 Due Dec 6 
Sandwell 
04 DEC 
18.1 Postglacial Rebound  Sandwell 

06 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 
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., 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 Fortran, C, or MATLAB which runs on most
machines. If you do not have a computer account we will
set you up.