TY - JOUR A1 - Chen, D. A1 - Strube, C. A1 - Ern, M. A1 - Preusse, P. A1 - Riese, M. T1 - Global analysis for periodic variations of gravity wave squared amplitudes and momentum fluxes in the middle atmosphere JO - Ann. Geophys. Discuss. J1 - ANGEOD VL - 2019 SP - 1 EP - 36 Y1 - 2019/03/04 PB - Copernicus Publications SN - 2568-6402 UR - https://angeo.copernicus.org/preprints/angeo-2019-31/ L1 - https://angeo.copernicus.org/preprints/angeo-2019-31/angeo-2019-31.pdf DO - 10.5194/angeo-2019-31 ER -