Influence of a stratospheric turbulence layer on the penetration of mountain waves into the middle atmosphere

Andreas Dörnbrack1, Martina Bramberger2, Markus Rapp3, Johannes Wagner4, Bernd Kaifler4 and Natalie Kaifler4, (1)German Aerospace Center (DLR), Institute of Atmospheric Physics, Oberpfaffenhoffen, Germany, (2)North West Research Associates, Boulder, United States, (3)German Aerospace Center (DLR) Oberpfaffenhofen, Institute of Atmospheric Physics, Oberpfaffenhofen, Germany, (4)German Aerospace Center (DLR), Institute of Atmospheric Physics, Wessling, Germany