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.
| DATE |
TOPIC |
READING/HOMEWORK |
LECTURER |
| Introduction and
Structure
of the Earth |
|||
| 25
SEP |
Introduction Lithospheric dynamics preview |
HW1 |
Sandwell Orcutt |
| 28 SEP |
Applications
of
fourier transforms; |
Functions
of a Complex Variable (review); Matlab Tutorial |
Sandwell |
| 30 SEP |
Global
tectonic
observations; Radial earth structure |
Read:
T&S,
Ch.1.
1-55
or Plate Tectonics, S,T&O, Ch. 2. |
Sandwell |
| 02 OCT |
Lab1-Fourier
Transforms in Matlab |
Sandwell |
|
| Plate Tectonics |
|||
| 05
OCT |
Flat earth kinematics and plate motions on a sphere; | Read:
The Ocean basins: Their
Structure and Evolution, Chapter 2 (in IGPP Reading Room) HW2 |
Sandwell |
| 07 OCT |
Crustal
generation
at
mid-ocean
ridges; Plate motion inversions; |
Orcutt |
|
| 09 OCT |
Quiz 1: Radial Earth Structure Marine magnetic anomalies |
Orcutt |
|
| Heat Flow |
|||
| 12 OCT |
Heat conduction, heat flow measurements, and Global heat budget; | Read:
Heat Transfer,
T&S, Ch. 4., 153-166 HW3 |
Sandwell |
| 14 OCT |
Solving
heat
conduction
problems |
Sandwell |
|
| 16 OCT |
Quiz
2: Plate Tectonics Cooling of dikes and sills |
Read: Heat Transfer, T&S, Ch. 4., 166-183 | Sandwell |
| 19 OCT |
Cooling of the oceanic lithosphere; | Lateral
Plate
Shrinkage |
Sandwell |
| 21 OCT |
Ocean floor
topography; Buoyancy of the lithosphere; |
Read: Doin and
Fleitout, EPSL, 1996 HW4 Problems from T&S, Ch. 4 4-9, 4-14, 4-23, 4-25, 4-37 DUE OCT 30 |
Sandwell |
| 23 OCT |
Cooling
of
a
lava
lake
(Stefan
problem) Movies |
Read Hillier and Watts, JGR, 2005 Read: T&S, Ch. 2. 89-104 |
Sandwell |
| Isostasy, Rheology, and Flexure | |||
| 26 OCT |
Isostasy and crustal thickness; | Sandwell |
|
| 28 OCT |
Review
of
Stress
and
Strain
Rheology of the Lithosphere |
Read:
Brace
and Kohlstedt, JGR, 1980 Burov and Watts Burgmann and Dresen_2008 |
Sandwell |
| 30 OCT |
Moment vs. Curvature | Read:
Elasticity,
T&S,
Ch3,
105-120 HW5 |
Sandwell |
| 02 NOV |
Flexure Theory | Read:
Flexure,
T&S,
Ch.3,
112-131;
|
Sandwell |
| 04 NOV |
Flexure Examples | Sandwell |
|
| 06 NOV |
Student Presentations of HW3 | H. Thermal Shrinkage Nicholas Trombetta Daniel Ebuna G. Earthquake Heat Diego Melgar Valeria Sahakian |
Orcutt/Stegman/Sandwell |
| 09 NOV |
Student Presentations of HW3 |
F. Plume Robert Peterson C. Wine Cellar Samer Naif Fernando Paolo |
Stegman |
| 11 NOV |
Holiday -
Veterans Day |
|
|
| 13 NOV |
Student Presentations of HW3 |
B. San Andreas fault Dylan Connell Weilan Liu A. Magnetics Jesse Vavrek Laura Sumiejski Natalie Juda |
Orcutt/Stegman |
| Earthquakes | |||
| 16 NOV |
Theories
of
faulting; Seismic cycle. |
Written HW3 due Reading Interseismic deformation due to strike-slip faults Class notes, T&S Chapter 8, 339-359; |
Sandwell |
| 18 NOV |
Earthquake
stress
drop
and
absolute
driving
stress; Heat flow paradox of the San Andreas fault |
Reading
Heat flow paradox Reading Stein and Wysession p. 215-245 T&S Chapter 8-12; |
Sandwell |
| Gravity | |||
| 20 NOV |
Reference
gravity
Gravity Anomalies |
Read T&S, Gravity, 195-207 | Sandwell |
| 23 NOV |
Laplace's
equation
and
satellite
altimetry Poisson's equation and Bouguer anomalies |
HW6 Watts, JGR, 1978 |
Sandwell |
| 25 NOV |
Gravity/topography transfer function; Isostatic geoid anomalies, Swell-push force | Sandwell |
|
| 27 NOV |
Holiday -
Thanksgiving |
||
| Fluid
Mechanics |
|||
| 30 NOV |
Chanel
Flow
and
Stream
Function |
Read T&S, Fluid
Mechanics, 226-241 |
Sandwell |
| 02 DEC |
Postglacial
Rebound |
HW7 |
Sandwell |
| 04 DEC |
Quiz
4: flexure gravity/topography transfer function post glacial rebound |
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.