Geoscientific Instrumentation, Methods and Data Systems
Geoscientific Instrumentation, Methods and Data Systems
GI
Articles | Volume 12, issue 2
Articles | Volume 12, issue 2
https://doi.org/10.5194/gi-12-271-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-12-271-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 2
Research article
 | 
18 Dec 2023
Research article |  | 18 Dec 2023

Analysis of geomagnetic observatory data and detection of geomagnetic jerks with the MOSFiT software package

Marcos Vinicius da Silva, Katia J. Pinheiro, Achim Ohlert, and Jürgen Matzka

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Cited articles

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Bloxham, J., Gubbins, D., and Jackson, A.: Geomagnetic secular variation, Philos. T. Roy. Soc. Lond. A, 329, 415–502, https://doi.org/10.1098/rsta.1989.0087, 1989. a
Bloxham, J., Zatman, S., and Dumberry, M.: The origin of geomagnetic jerks, Nature, 420, 65–68, https://doi.org/10.1038/nature01134, 2002. a, b
Brown, W., Mound, J., and Livermore, P.: Jerks abound: An analysis of geomagnetic observatory data from 1957 to 2008, Phys. Earth Planet. Inter., 223, 62–76, https://doi.org/10.1016/j.pepi.2013.06.001, 2013. a, b
Chulliat, A. and Maus, S.: Geomagnetic secular acceleration, jerks, and a localized standing wave at the core surface from 2000 to 2010, J. Geophys. Res.-Solid, 119, 1531–1543, https://doi.org/10.1002/2013JB010604, 2014. a, b
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Geomagnetic observatories are dedicated to the long-term monitoring of the Earth's magnetic field. Their time series contain information mainly about the Earth's core and the near-Earth space environment. MOSFiT accesses a global database with the most recent observatory data and allows us to separate the information about the Earth's core. At the same time, it allows for an efficient check of the data quality. We present the code, validate it and explain its usage.
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