Publications of K. Schlegel

Lühr, H.; Schlegel, K.; Araki, T.; Rother, M.; Förster, M.: Night-time sudden commencements observed by CHAMP and ground-based magnetometers and their relationship to solar wind parameters. Annales Geophysicae 27, pp. 1897 - 1907 (2009)

Watermann, J.; Stauning, P.; Luehr, H.; Newell, P. T.; Christiansen, F.; Schlegel, K.: Are small-scale field-aligned currents and magneto sheath-like particle precipitation signatures of the same low-altitude cusp? Advances in Space Research 43 (1), pp. 41 - 46 (2009)

Cai, H. T.; Ma, S. Y.; Fan, Y.; Liu, Y. C.; Schlegel, K.: Climatological features of electron density in the polar ionosphere from long-term observations of EISCAT/ESR radar. Annales Geophysicae 25, pp. 2561 - 2569 (2007)

Rother, M.; Schlegel, K.; Lühr, H.: CHAMP observation of intense kilometre-scale field-aligned currents, evidence for an ionospheric Alfvén resonator. Annales Geophysicae 25, pp. 1603 - 1615 (2007)

Schlegel, K.: In Memoriam: Tor Hagfors (1930-2007). Radio Science Bulletin 320, pp. 65 - 66 (2007)

Schlegel, K.: The URSI Board of Officers: URSI White Paper on Solar Power Satellite Systems (SPS). The Radio Science Bulletin 321, pp. 13 - 27 (2007)

Dyrud, L.; Krane, B.; Oppenheim, M.; Pecseli, H. L.; Schlegel, K.; Trulsen, J.; Wernik, A. W.: Low-frequency electrostatic waves in the ionospheric E-region: a comparison of rocket observations and numerical simulations. Annales Geophysicae 24 (11), pp. 2959 - 2979 (2006)

Schlegel, K.: Space Weather and Alexander von Humboldt's Kosmos. Space Weather 4 (1), S01001 (2006)

Cai, H. T.; Ma, S. Y.; Schlegel, K.: Climatologic characteristics of high-latitude ionosphere - EISCAT observations and comparison with the IRI model. Chinese J. Geophys. 48 (3), pp. 471 - 479 (2005)

Haldoupis, C.; Ogawa, T.; Schlegel, K.; Koehler, J. A.; Ono, T.: Is there a plasma density gradient role on the generation of short scale Farley-Buneman waves? Annales Geophysicae 23, pp. 3323 - 3337 (2005)

Schlegel, K.; Lühr, H.; St.-Maurice, J.-P.; Crowley, G.; Hackert, C.: Thermospheric density structures over the polar reagions observed with CHAMP. Annales Geophysicae 23 (5), pp. 1659 - 1672 (2005)

Bosinger, T.; Hussey, G. C.; Haldoupis, C.; Schlegel, K.: Auroral E-region electron density height profile modification by electric field driven vertical plasma transport: some evidence in EISCAT CP-1 data statistics. Annales Geophysicae 22 (3), pp. 901 - 910 (2004)

Stolle, C.; Jakowski, N.; Schlegel, K.; Rietveld, M.: Comparison of high latitude electron density profiles obtained with the GPS radio occultation technique and EISCAT measurementss. Annales Geophysicae 22 (6), pp. 2015 - 2022 (2004)

Mikhailov, A. V.; Schlegel, K.: Geomagnetic storm effects at F1-layer heights from incoherent scatter observations. Annales Geophysicae 21 (2), pp. 583 - 596 (2003)

Schlegel, K.: Charakterisierung geomagnetischer Stürme: Der Dst-Index. Meteoros 6, pp. 176 - 177 (2003)

Füllekrug, M.; Fraser-Smith, A. C.; Schlegel, K.: Global ionospheric D-layer height monitoring. Europhysics Letters 59 (4), pp. 626 - 632 (2002)

Haldoupis, C.; Schlegel, K.; Hussey, G. C.; Koehler, J. A.: Radar observation of kinetic effects at meter scales for Farley-Buneman plasma waves. Journal Geophysical Research 107 (A10), 1272 (2002)

Jackel, B. J.; Moorcroft, D. R.; Foster, J. C.; Schlegel, K.: Spectral characteristics of UHF radar aurora. Journal Geophysical Research 107 (A7), 1122 (2002)

Ma, S. Y.; Cai, H. T.; Liu, H. X.; Schlegel, K.; Lu, G.: Positive storm effects in the dayside polar ionospheric F- region observed by EISCAT and ESR during the magnetic storm of 15 May 1997. Annales Geophysicae 20 (9), pp. 1377 - 1384 (2002)

Ma, S.-Y.; Liu, H.-X.; Schlegel, K.: A comparative study of magnetic storm effects on the ionosphere in the polar cap and auroral oval - F-region negative storm. Chinese J. Geophys. 45 (2), pp. 154 - 163 (2002)