Chau, J. L.; Röttger, J.; Rapp, M.: PMSE strength during enhanced D region electron densities: Faraday rotation and absorption effects at VHF frequencies. Journal of Atmospheric and Solar-Terrestrial Physics 118, S. 113 - 118 (2014)
Li, Q.; Rapp, M.; Röttger, J.; Latteck, R.; Zecha, M.; Strelnikova, I.; Baumgarten, G.; Hervig, M.; Hall, C.; Tsutsumi, M.: Microphysical parameters of mesospheric ice clouds derived from calibrated observations of polar mesosphere summer echoes at Bragg wavelengths of 2.8 m and 30 cm. Journal Geophysical Research 115, D00I13 (2010)
Hall, C. M.; Roettger, J.; Kuyeng, K.; Sigernes, F.; Claes, S.; Chau, J.: First results of the refurbished SOUSY radar: Tropopause altitude climatology at 78 degrees N, 16 degrees E, 2008. Radio Science 44, RS5008 (2009)
Hall, C. M.; Röttger, J.; Kuyeng, K.; Tsutsumi, M.; Dyrland, M.; Chau, J. L.: Polar mesospheric summer echoes at 78 degrees N, 16 degrees E, 2008: First results of the refurbished sounding system (SOUSY) Svalbard radar. Journal Geophysical Research 114, D11111 (2009)
Kuo, F. S.; Lue, H. Y.; Fern, C. L.; Röttger, J.; Fukao, S.; Yamamoto, M.: Statistical characteristics of AGW wave packet propagation in the lower atmosphere observed by the MU radar. Annales Geophysicae 27 (10), S. 3737 - 3753 (2009)
Kuo, F. S.; Lue, H. Y.; Fern, C. L.; Roettger, J.; Fukao, S.; Yamamoto, M.: Studies of vertical fluxes of horizontal momentum in the lower atmosphere using the MU-radar. Annales Geophysicae 26 (12), S. 3765 - 3781 (2008)
Kuo, F. S.; Röttger, J.: Horizontal wavelength of gravity waves in the lower atmosphere measured by the SOUSY Svalbard Radar. Chin. J. Phys. 43 (3), S. 464 - 480 (2005)
Nozawa, S.; Brekke, A.; Maeda, S.; Aso, T.; Hall, C. M.; Ogawa, Y.; Buchert, S. C.; Röttger, J.; Richmond, A. D.; Roble, R.et al.; Fujii, R.: Mean winds, tides, and quasi-2 day wave in the polar lower thermosphere observed in European Incoherent Scatter (EISCAT) 8 day run data in November 2003. Journal Geophysical Research 110 (A12), A12309 (2005)
Chen, J. S.; Hoffmann, P.; Zecha, M.; Röttger, J.: On the relationship between aspect sensitivity, wave activity, and multiple scattering centers of mesosphere summer echoes: a case study using coherent radar imaging. Annales Geophysicae 22 (3), S. 807 - 817 (2004)
Kuo, F. S.; Röttger, J.; Lue, H. Y.: Propagation of gravity wave packets in the lower atmosphere observed by the SOUSY-Svalbard Radar. Chin. J. Phys. 41 (4), S. 309 - 325 (2003)
Chen, J. S.; Röttger, J.; Chu, Y. H.: System phase calibration of VHF spaced antennas using the echoes of aircraft and incorporating the frequency domain interferometry technique. Radio Science 37 (5), 1080 (2002)
Hall, C. M.; Röttger, J.: Initial observations of Polar Mesospheric Summer Echoes using the EISCAT Svalbard Radar. Geophysical Research Letters 28, S. 131 - 134 (2001)
Hocking, W. K.; Röttger, J.: The structure of turbulence in the middle and lower atmosphere seen by and deduced from MF, HF and VHF radar, with special emphasis on small-scale features and anisotropy. Annales Geophysicae 19 (8), S. 933 - 944 (2001)
Nielsen, K. P.; Röttger, J.; Sigernes, F.: Simultaneous Measurements of Temperature in the Upper Mesosphere with an Ebert-Fastie Spectrometer and a VHF Meteor Radar on Svalbard (78°N, 16°E). Geophysical Research Letters 28, S. 943 - 946 (2001)
Röttger, J.: Observations of the polar D-region and the mesosphere with the EISCAT Svalbard Radar and the SOUSY Svalbard Radar. Memoirs of National Institute of Polar Research 54, S. 9 - 20 (2001)
Röttger, J.: Observations of the Arctic troposphere and lower stratosphere with the SOUSY Svalbard Radar. Memoirs of National Institute of Polar Research 54, S. 1 - 8 (2001)
Bewerbungsfrist 1 Oktober 2023. Promotionsprojekte in Planetenwissenschaften, Sonnenphysik, Astrophysik, Magnetfelder der Sonne, Helioseismologie, Asteroseismologie ...
In der mittleren Korona der Sonne entdeckt ein Forscherteam netzartige, dynamische Plasmastrukturen – und einen wichtigen Hinweis auf den Antrieb des Sonnenwindes.
First Light für die wissenschaftlichen Instrumente von Sunrise III: Das ballongetragene Sonnenobservatorium bereitet sich auf den nächsten Forschungsflug vor.