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
John Orcutt; 2213 IGPP; Ph. 822-6378

Lecture course, 4-units, letter grade or S/U grade, homework, weekly and final quiz.

MWF, 8:50 - 9:40 AM,  - Munk Conference Room
class@ucsd.edu


SYLLABUS
DATE
TOPIC
READING/HOMEWORK
LECTURER

Introduction and Plate Tectonics


29 SEP
No Class - View Videos on Plate Tectonics
Maria Seton
Dick Hey
John Tarduno
Read: T&S, Ch.1. 1-55 or
Plate Tectonics, S,T&O, Ch. 2.
HW1
Orcutt
01 OCT
Plate Tectonics - Observations

Sandwell
03 OCT
Plate Tectonic - Theory
Read: The Ocean basins: Their Structure 
and Evolution
, Chapter 2 (in IGPP Reading Room)

Sandwell
05 OCT
Applications of fourier transforms; Functions of a Complex Variable (review);
Matlab Tutorial
HW2
Sandwell
08 OCT
Marine magnetic anomalies
Sandwell
10 OCT
Plate Motions, Reconstructions, and Plumes

Sandwell

Heat Flow


12 OCT
Heat conduction, heat flow measurements, and Global heat budget; Read: Heat Transfer, T&S, Ch. 4., 132-
HW3  publications for HW3
Sandwell
15 OCT
Quiz 1: Plate Tectonics and Fourier Transforms exercises

17 OCT
Cooling of the oceanic lithosphere;
Sandwell
19 OCT

Read: Heat Transfer, T&S, Ch. 4., 166-183 Orcutt
22 OCT
Ocean floor topography; 
Lateral Plate Shrinkage
Heat flow and hydrothermal circulation
HW4 Problems from T&S, Ch. 4
4-9, 4-14, 4-23, 4-25, 4-37
DUE 24 OCT
Sandwell
24 OCT
Buoyancy of the lithosphere;
Cooling of a lava lake (Stefan problem)
Summary of boundary later cooling

Read: Doin and Fleitout, EPSL, 1996
Read Hillier and Watts, JGR, 2005
Read: T&S, Ch. 2. 89-104
Sandwell

Isostasy, Rheology, and Flexure

26 OCT
Isostasy and crustal thickness;
Review Stress and Strain

Read: Brace and Kohlstedt, JGR, 1980
Burov and Watts
Burgmann and Dresen_2008
Sandwell
29 OCT
Presentations of heat flow problems
D - oceanic fracture zone
B - SAF heat flow
31 OCT
Presentations of heat flow problems
G - frictional heating during earthquake
A - marine magnetics
02 NOV
Presentations of heat flow problems

Rheology of the Lithosphere
Moment vs. Curvature
Read: Elasticity, T&S, Ch3, 105-120 C - wine cellar problem
05 NOV
Flexure Theory

Read: Flexure, T&S, Ch.3, 112-131;
HW5

07 NOV
Flexure Examples  
Sandwell

Earthquakes

09 NOV
Theories of faulting; 
Seismic cycle. 
Reading 
Interseismic deformation due to strike-slip faults
Class notes, T&S Chapter 8, 339-359;
Sandwell
12 NOV
Holiday - Veterans Day



14 NOV
Heat Flow Paradox of the San Andreas Fault Heat Flow Paradox
Sandwell

Gravity

16 NOV
Reference gravity
Gravity Anomalies
Read T&S, Gravity, 195-207
Sandwell
16 NOV
Visit RV/Revelle at MARFAC - 5:00PM to 7:00PM
Becker
19 NOV
Laplace's equation and satellite altimetry

Watts, JGR, 1978
Orcutt
21 NOV
Poisson's equation and Bouguer anomalies
HW6 Sandwell
23 NOV
Holiday - Thanksgiving


Fluid Mechanics


26 NOV
Gravity/topography transfer function; Isostatic geoid anomalies, Swell-push force Read T&S, Fluid Mechanics, 226-241
Sandwell
28 NOV
Channel Flow and Stream Function
HW7 Problems from T&S, Ch. 6
6-1, 6-3, 6-6, 6-11
Due Dec 10
Sandwell
30 NOV
Postglacial Rebound

Sandwell
10 DEC
Student presentations of flexure problems
E-Lake Loading
C-Trench
12 DEC
Student presentations of flexure problems
D-Fracture Zone
B-Seamount
F-Venus


SIO 234 SUGGESTED BOOKS:

Textbooks:

Geodynamics: Second Edition,  Turcotte, D. L. and Schubert, G., John Wiley & Sons, New York, 2002.
 

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.