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Topic List: To be modified based on student interest
• Background and Theory • Fractionation • Tracing the hydrologic cycle • Isotope effects• Paleothermometry• Rock-water interaction• Carbon Isotopes• Strontium• Cosmogenic • Sulfur• Nitrogen
Hydrogen Isotopes
• Example• 1H: Protium, no neutrons, mass = 1 amu; stable• 2H: Deuterium – extra neutron, mass = 2 amu;
stable• 3H: Tritium – two extra neutrons, mass = 3 amu,
radioactive t1/2 = 12.3 yr
Equilibrium Fractionation
Light Stable Isotopes
• Clark and Fritz, 1997
Isotopic variation
• Hoefs, 2004
Oxygen variation
• Hoefs, 2004
Hydrogen variation
• Hoefs, 2004
Carbon variation
• Hoefs, 2004
Nitrogen Variation
• Hoefs, 2004
Sulfur variation
• Hoefs, 2004
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