2013 PWG Workshop Presentations Introductory Remarks Bette Otto-Bliesner, NCAR-CGD CESM and the PlioMIP project Nan Rosenbloom, NCAR-CGD Influence of reorganization of the tropical hydrologic cycle on Atlantic salinity and meridional overturning at the end of the last interglacial Ben Blazey The higher climate sensitivity during glacial inceptions in multi-millenial CCSM4 simulations Feng He Update on isotopic tracer development in the CESM Esther Brady Carbon isotopes in CESM Alexandra Jahn, NCAR-CGD Stable water isotopes in CAM5 Jesse Nusbaumer Updating volcanoes in CCSM4 Jean-Francois Lamarque, NCAR-CGD Last millennium community experiments with CESM Toby Ault, NCAR-CGD