ScienceDaily: A recent study of the global carbon cycle offers a new perspective of Earth's climate records through time. Scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science suggest that one of the current methods for interpreting ancient changes in the concentration of carbon dioxide in the atmosphere and oceans may need to be re-evaluated.
The UM Rosenstiel School researchers measured the abundance of carbon-12 and carbon-13 isotopes in both the organic matter and...