Auflistung nach Mitwirkenden "Morschhauser, A."
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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 ... -
The Geomagnetic Kp Index and Derived Indices of Geomagnetic Activity
The geomagnetic Kp index is one of the most extensively used indices of geomagnetic activity, both for scientific and operational purposes. This article reviews the properties of the Kp index and provides a reference for ... -
The Mag.num core field model as a parent for IGRF-13, and the recent evolution of the South Atlantic Anomaly
Rother, M.; Korte, M.; Morschhauser, A.; Vervelidou, F.; Matzka, J.; Stolle, C. (Earth, Planets and Space, 2021-02-11)We present the GFZ candidate field models for the 13th Generation International Geomagnetic Reference Field (IGRF-13). These candidates were derived from the Mag.num.IGRF13 geomagnetic core field model, which is constrained ...