Zobrazeno 1 - 10
of 114
pro vyhledávání: '"D. Kürschner"'
Publikováno v:
Annales Geophysicae, Vol 26, Pp 1221-1232 (2008)
Long-period oscillations in the period range 2–30 days, interpreted as planetary wave (PW) signatures, have been analysed using daily mesosphere/lower thermosphere wind measurements near 90 km over Collm (52° N, 15° E) in the time interval 198
Externí odkaz:
https://doaj.org/article/83a52d5966264046b13b562192ee72b2
Autor:
C. Jacobi, D. Kürschner
Publikováno v:
Advances in Radio Science, Vol 4, Pp 351-355 (2006)
The change of ionospheric absolute reflection heights h of low-frequency (LF) radio waves at oblique incidence in the course of the day is measured at Collm Observatory (51.3° N, 13.0° E) using 1.8 kHz sideband phase comparisons between the sky-wav
Externí odkaz:
https://doaj.org/article/e506da66de584474b266c61f3d1d2382
Autor:
C. Jacobi, D. Kürschner
Publikováno v:
Advances in Radio Science, Vol 3, Pp 427-430 (2005)
The nighttime ionospheric absolute reflection height of low-frequency (LF) radio waves at oblique incidence has been measured continuously since late 1982 using 1.8kHz sideband phase comparisons between the sky wave and the ground wave of a commercia
Externí odkaz:
https://doaj.org/article/e0687a46dbfb4327a18dc4663154d08b
Autor:
D. Kürschner, Ch. Jacobi
Publikováno v:
Annales Geophysicae, Vol 22, Pp 701-704 (2004)
The mesopause region monthly mean winds and semidiurnal tidal amplitudes and phases over Central Europe have been measured at Collm Observatory since September 1982. The regular annual cycle of the semidiurnal tidal amplitudes show maximum values dur
Externí odkaz:
https://doaj.org/article/740869a1b9c04e2897962b6385f0a095
Publikováno v:
Meteorologische Zeitschrift, Vol 6, Iss 5, Pp 225-229 (1997)
The mesopause region wind field over Central Europe has been continually recorded by daily low-frequency total reflection wind measurements using commercial radio transmitters at the Collm Observatory of the University of Leipzig, and by medium-frequ
Externí odkaz:
https://doaj.org/article/2c59d55c28404c0bb2f47c0e674d0b71
Autor:
S. E. Palo, M. E. Hagan, C. E. Meek, R. A. Vincent, M. D. Burrage, C. McLandress, S. J. Franke, W. E. Ward, R. R. Clark, P. Hoffmann, R. Johnson, D. Kürschner, A. H. Manson, D. Murphy, T. Nakamura, Y. I. Portnyagin, J. E. Salah, R. Schminder, W. Singer, T. Tsuda, T. S. Virdi, Q. Zhou
Publikováno v:
Annales Geophysicae, Vol 15, Pp 1123-1141 (1997)
The Global-Scale Wave Model (GSWM) is a steady-state two-dimensional linearized model capable of simulating the solar tides and planetary waves. In an effort to understand the capabilities and limitations of the GSWM throughout the upper mesospher
Externí odkaz:
https://doaj.org/article/218e5d07575041dfa000d2ccd5d2350b
Publikováno v:
Meteorologische Zeitschrift, Vol 5, Iss 6, Pp 318-323 (1996)
Measurements at mesopause heights (about 95 km) show a correlation between the zonal prevailing wind and the equatorial quasi-biennial oscillation (QBO). In winter and spring a positive correlation of the QBO winds and the zonal prevailing wind at me
Externí odkaz:
https://doaj.org/article/c99c3470c0c348258d7e95b29c05bb7e
Publikováno v:
Meteorologische Zeitschrift, Vol 3, Iss 5, Pp 297-300 (1994)
Continuous monitoring of the mesospheric and lower thermospheric wind field in northern mid-latitudes is carried out by LF windprofiler and MF radar measurements at Collm (51.3°N, 13°E) and Juliusruh (54.6°N, 13.5°E) resp., the centre of the refl
Externí odkaz:
https://doaj.org/article/660d56c796e042c7bfb11e6846fba797
Akademický článek
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Autor:
R. Herbst, J. T. Hartmann, O. Micke, Bernd Hertenstein, Maximilian Rudert, Annegret Kunitz, W. Blau, I. Melcher, A. Serrano, Torsten Kluba, Volker Budach, J. Groth, T. Wölfel, D. Kürschner, H.-G. Kopp, Viktor Grünwald
Publikováno v:
Annals of Oncology. 32:S1115
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::918651cd2de04e8f562eac02a73e914e
https://doi.org/10.1016/j.annonc.2021.08.858
https://doi.org/10.1016/j.annonc.2021.08.858