Using stable isotopes to understand Earth systems
- We study the carbon cycle by measuring stable isotopes of greenhouse gases from a global air sampling network.
- We study climates of the past by measuring stable isotopes of water in ice cores from Greenland and Antarctica.
- We measure methane on a local scale as part of a study of the sustainability of oil and gas exctraction in the Rocky Mountain West.
- We continually improve our methods with new, automated techniques for measuring environmental stable isotopes.
- We provide analytical services to scientists and institutions around the world.
We excel at measurements of
- δ13C and δ18O in ambient or pure carbon dioxide
- δ13C of ambient methane (and soon we will measure dD as well!)
- water from ice cores as well as environmental waters
Our instrumentation includes dual-inlet and continuous-flow isotope-ratio mass spectrometers, as well as multiple laser-based cavity ring-down spectrometers.
Measuring stable isotopes since 1989!