Appendix A. The mechanistic framework for using cellulose δ18O and δD to predict leaf water δ18O and δD and thereby calculate deuterium deviations from the global meteoric water line (Δd).

The mechanistic framework for using cellulose δ18O and δD to predict leaf water δ18O and δD and thereby calculate deuterium deviations from the global meteoric water line (Δd).