Auflistung nach Mitwirkenden "Alken, P."
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Evolution of the Geomagnetic Daily Variation at Tatuoca, Brazil, From 1957 to 2019: A Transition From Sq to EEJ
Soares, G.; Yamazaki, Y.; Cnossen, I.; Matzka, J.; Pinheiro, K. J.; Morschhauser, A.; Alken, P.; Stolle, C. (Journal of Geophysical Research: Space Physics, 2020)The magnetic equator in the Brazilian region has moved over 1,100 km northward since 1957, passing the geomagnetic observatory Tatuoca (TTB), in northern Brazil, around 2013. We recovered and processed TTB hourly mean ... -
September 2019 Antarctic Sudden Stratospheric Warming: Quasi-6-Day Wave Burst and Ionospheric Effects
Yamazaki, Y.; Matthias, V.; Miyoshi, Y.; Stolle, C.; Siddiqui, T.; Kervalishvili, G.; Laštovi?ka, J.; Kozubek, M.; Ward, W.; Themens, D. R.; Kristoffersen, S.; Alken, P. (Geophysical Research Letters, 2020)An exceptionally strong stationary planetary wave with Zonal Wavenumber 1 led to a sudden stratospheric warming (SSW) in the Southern Hemisphere in September 2019. Ionospheric data from European Space Agency's Swarm satellite ...