Topic List: To be modified based on student interest Background and Theory Fractionation Tracing the hydrologic cycle Isotope effects Paleothermometry.

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Presentation transcript:

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