EAS 6214: Aqueous Geochemistry

Professor: Ellery Ingall
Office: EST 2130
Office/Lab Hours: T, Th 2-3pm
Office Phone: 404-894-3883
Email: ingall@eas.gatech.edu

Text: Aqueous Environmental Chemistry, by Langmuir, D. (1997) Prentice-Hall Inc.
ISBN 0-02-367412-1

Good Books:

Principles and Applications of Aquatic Chemistry (Not required) by Morel, F.M.M and Hering, J.G. (1993) John Wiley & Sons Inc.
ISBN 0-471-54896-0

Aquatic Chemistry-Chemical Equilibria and Rates in Natural Waters, by Stumm, W. and Morgan, J.J. (1996) John Wiley & Sons Inc.
ISBN 0-471-51185-4

Global Environment-Water Air and Geochemical Cycles, by Berner, E.K. and Berner, R.A. (1996) Prentice-Hall Inc.
ISBN 0-13-301169-0

Grading: Homework Sets 50%, Midterm 25%, Final (Comprehensive) 25%

Syllabus

Introduction
Water Cycle, Properties, Origin
Natural Water Composition
Rain, Rivers, Estuaries, Ocean

Modeling Natural Water Systems
Mass Balance
Residence, Response times
Matrix Math Review
Coupled Linear Cycles

Thermodynamics Review
Equilibrium Constant
T and P Effects
Distribution Coefficients
Activity Models
Complexation

Acids and Bases
pH
Dissolved Carbon Dioxide
Alkalinity

Carbonate Chemistry
Calcite Solubility
Carbonate Distribution
Dolomite

Weathering & Water Chemistry
Relevant Minerals
Soils
Groundwaters

Clay Minerals
Important Clay Minerals
Structure
Occurrence/Composition

Adsorption-Desorption
Cation Exchange
Isotherms

Oxidation-Reduction
Natural Systems
Redox Classification
pH-pe diagrams

Organic Matter
Composition
DOC/DON/DOP

Metals
Speciation
Bioavailability/Toxicity

Applications
Problem Solving Methods
Computer Software
Rivers/Lakes/Oceans