2013 WAWG Workshop Presentations Emissions-based volcanic aerosol development Mike Mills, NCAR-ACD-CGD Polar stratospheric clouds modeling using SD-WACCM / CARMA model Yunqian Zhu Status and results from CCMI WACCM simulations Dan Marsh, NCAR-ACD, Doug Kinnison, NCAR-ACD Data assimilation in the Whole Atmosphere Community Climate Model Nick Pedatella Meteoric metal chemistry in WACCM Dan Marsh, NCAR-ACD Ionosphere variability due to lower atmosphere driving Hanli Liu, NCAR-HAO Discussion