Determination of stratospheric temperature and density by GOMOS: Verification with respect to high latitude LIDAR profiles from Thule, Greenland

High resolution temperature profiles (HRTP) have been derived from measurements performed by Global Ozone Monitoringby Occultationof Stars(GOMOS) onboard ENVISAT. HRTP are derived from measurements with two fast photometerswhose signal is sampled at 1 kHz, and allows investigating the role of irregularities in the density and temperature profiles, such as those associated with gravity waves. In this study high resolution temperature and density profiles measured at high latitude by GOMOS are compared with observations made with the ground-based aerosol/temperature LIDARat Thule, Greenland. The LIDARat Thule contributes to the Network for the Detection of Atmospheric Composition Change. The LIDARprofiles are analyzed in the height interval overlapping with GOMOS data (22-35 km), and the density and temperature profiles are obtained with 250 m vertical resolution. The comparison is focused on data collected during the 2008-2009 and 2009-2010 Arctic winters. Profiles measured within 6 hours and 500 km...