Modelling oxygen isotopes in the University of Victoria Earth System Climate Model
C. E. Brennan1, A. J. Weaver1, M. Eby1, and K. J. Meissner21University of Victoria School of Earth and Ocean Sciences, Victoria, British Columbia, Canada 2University of New South Wales Climate Change Research Centre, Sydney, New South Wales, Australia
Abstract. Implementing oxygen isotopes (H218O, H216O) in coupled climate models provides both an important test of the individual model's hydrological cycle, and a powerful tool to mechanistically explore past climate changes while producing results directly comparable to isotope proxy records. Here we describe the addition of oxygen isotopes in the University of Victoria Earth System Climate Model (UVic ESCM). Equilibrium simulations are performed for preindustrial and Last Glacial Maximum conditions. The oxygen isotope content in the model preindustrial climate is compared against observations for precipitation and seawater. The distribution of oxygen isotopes during the LGM is compared against available paleo-reconstructions.
Brennan, C. E., Weaver, A. J., Eby, M., and Meissner, K. J.: Modelling oxygen isotopes in the University of Victoria Earth System Climate Model, Geosci. Model Dev. Discuss., 4, 2545-2576, doi:10.5194/gmdd-4-2545-2011, 2011.