Nov 30, 2023
GEOL 5270 - Water Geochemistry
Geochemical origin of major ions in natural waters and the role of fluid-mineral interactions in the evolution of sediments, the ocean, and the atmosphere. Major geochemical cycles. Introduction to thermodynamic equilibrium, kinetics, complexation, oxidation-reduction, and cation exchange. Case studies of important geochemical and environmental issues.
Credit Hours: 4
Repeat/Retake Information: May not be retaken.
Lecture/Lab Hours: 2.0 lecture, 2.0 laboratory
Grades: Eligible Grades: A-F,WP,WF,WN,FN,AU,I
- Graduate students will write a term paper about a topic assigned by the instructor or a field report about some additional field work assigned only to graduate students.
- Know basic laboratory methods for the determination of cations and anions in waters.
- Know field techniques for water sampling and measurement of physical-chemical parameters.
- Know how to determine alkalinity and acidity in waters.
- Know how to use of computer programs such as PHREEQCI to determine chemical speciation and saturation state of water with respect to different minerals.
- Know how to use of computer programs such as PHREEQCI to simulate mixing of waters.
- Know the geochemical origin of major ions in natural waters and the role of fluid-mineral interactions in the composition of water in groundwater, sediments, the ocean, and the atmosphere.
- Know the role of carbon dioxide in the composition of natural waters and weathering reactions.
- Know which species of carbonate, silica, aluminum, and iron are predominant at different pHs.
- Understand and apply the concepts of thermodynamic equilibrium, kinetics, complexation, oxidation-reduction, and cation exchange to problems in natural waters.
- Understand the role of mineral stability in the concentrations of carbonate species, silica, aluminum, iron in natural and contaminated waters.
- Understand the stability of minerals in a four dimensional space (P, T, pH, Eh).
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