TY - JOUR A1 - Hurd, L. A1 - Larsen, M. F. A1 - Liu, A. Z. T1 - Overturning instability in the mesosphere and lower thermosphere: analysis of instability conditions in lidar data JO - Ann. Geophys. J1 - ANGEO VL - 27 IS - 7 SP - 2937 EP - 2945 Y1 - 2009/07/24 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/27/2937/2009/ L1 - https://angeo.copernicus.org/articles/27/2937/2009/angeo-27-2937-2009.pdf DO - 10.5194/angeo-27-2937-2009 ER -