Investigating the link between variability in precipitation source, amount, and δ18O variability in the Southwest U.S. using an isotope enabled model that uses water tags

Corinne I Wong, Boston College, Chestnut Hill, MA, United States, Jesse M Nusbaumer, National Center for Atmospheric Research, Boulder, United States and Jay Banner, University of Texas at Austin, Environmental Science Institute and Department of Earth & Planetary Sciences, Jackson School of Geosciences, Austin, United States