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.

The grades are based on 10-20 points for every problem. Homework, quiz, and final problems are all 10-20 points each. The presentations are 50 points each.

MWF, 9:00 - 9:50 AM,  - 4301 IGPP, Revelle Conference Rm.

Please use this Google DOC form to enter typos in the appendix. Person that finds the most typos gets a prize.



SYLLABUS
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
Anti-plume 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
4-9, 4-10, 4-14, 4-23, 4-24, 4-36, 4-37
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
3-1, 3-7, 3-14, 3-19, 3-22
DUE 15 NOV
Sandwell
04 NOV
Presentations of heat flow problems Read: T&S, Ch. 3.13 to 3.18 B - Bal, Hung
C - Fabbrizzi, Wu

I - Bryant, Yu
06 NOV
Munk
Presentations of heat flow problems

HW7
Flexure Papers for HW7
F - Dunn, Witts
G - Yin


Earthquakes

08 NOV 10.1 - 10.3 Strike-slip fault: deformation and moment Read: T&S Ch. 8.1 to 8.9 Sandwell
11 NOV
Optional Field Trip - Ridgecrest Earthquake
Field Trip Plan,    KMZ-file,   Please sign waiver Geological_history


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
Sandwell
20 NOV
15.1 - 15.3 Laplace's Equation and Satellite Altimetry
HW8 - due 04 DEC
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
G- Yin, Dunn, Witts
C-Bal, Hung
B- Fabbrizzi, Wu

27 NOV
Presentations for HW7
17.1 - 17.5 Gravity/topography transfer function and Isostatic geoid anomalies
Read: T&S, Ch. 6.1 to 6.10
A - Bryant, Yu

Sandwell





Fluid Mechanics


02 DEC
Isostatic geoid anomalies
HW9 - Problems from T&S, Ch. 6
6-1, 6-3, 6-6, 6-11
Due Dec 11 inn my mailbox or by e-mail
Sandwell
04 DEC
Channel Flow and Stream Function
Sandwell
06 DEC
18.1 Postglacial Rebound
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.