Isotope Tutorial (title provided or enhanced by cataloger)

Diane Pataki, University of Utah, Department of Biology, University of Utah, Department of Biology

This isotope tutorial explains what isotopes are and what units are used to express them, how measurements of isotopes are made, and how natural variation in stable isotope abundances come about. The site describes processes affecting isotope ratios such as photosynthesis, evapotranspiration, and respiration; biosphere-atmosphere exchange of isotopes in water and carbon; and how stable isotopes are used to study environmental history. There is information on courses in stable isotopes and the Biosphere - Atmosphere Stable Isotope Network (BASIN) project aimed at improving understanding of carbon cycle processes at the ecosystem, regional, and global scale. Links are provided to analytical labs.

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Subject: Geoscience:Atmospheric Science, Geology:Geochemistry:Stable Isotopes, Biology, Geoscience:Atmospheric Science:Climate Change, Environmental Science:Global Change and Climate:Climate Change:Greenhouse gas emissions, Geoscience:Atmospheric Science:Meteorology:Atmospheric structure and composition, Geoscience:Atmospheric Science:Climate Change:Greenhouse gas emissions
Resource Type: Scientific Resources:Overview/Reference Work
Grade Level: College Upper (15-16), College Lower (13-14)
Topics: Solid Earth:Geochemistry:Stable Isotopes, Biosphere, Chemistry/Physics/Mathematics, Atmosphere, Human Dimensions/Resources
Theme: Teach the Earth:Course Topics:Geochemistry, Teach the Earth:Incorporating Societal Issues:Climate Change, Teach the Earth:Course Topics:Atmospheric Science, Environmental Science, Teach the Earth:Teaching Topics:Weather