Variations of noctilucent cloud characteristics on centennial timescales
Franz-Josef Luebken1, Uwe Berger1 and Gerd Baumgarten2, (1)Leibniz Institute of Atmospheric Physics, Kühlungsborn, Germany, (2)Leibniz Institute of Atmospheric Physics at the University of Rostock, Optical and Rocket Soundings, Kühlungsborn, Germany