article · 2024

Reconstructing the Past of Magnetic Declination at the Real Observatorio de Madrid

José Manuel Tordesillas, Fco. Javier Pavón–Carrasco, Ana Belén Anquela Julián

Cited by 0Open access

Abstract

The agonic line, characterized by zero values of geomagnetic declination, has had a westward drift during the last centuries, crossing the location of the Real Observatorio de Madrid at the end of the year 2021. This fact, which was monitored by the Instituto Geográfico Nacional, moves us to study the evolution of the magnetic declination in this emblematic emplacement between the last two crosses of the agonic line. Our results point out that the current westward drift started around the year 1810 and, before this period, the agonic line moved from west to east, crossing the location of the Real Observatorio around 1650–1675.

Cite this paper

APA 7

Tordesillas, J. M., Pavón–Carrasco, F. J., & Julián, A. B. A. (2024). Reconstructing the Past of Magnetic Declination at the Real Observatorio de Madrid. https://doi.org/10.3390/environsciproc2023028021

MLA 9

Tordesillas, José Manuel, et al. “Reconstructing the Past of Magnetic Declination at the Real Observatorio de Madrid.” 2024, p. 21, https://doi.org/10.3390/environsciproc2023028021.

Chicago

Tordesillas, José Manuel, Fco. Javier Pavón–Carrasco, and Ana Belén Anquela Julián. 2024. “Reconstructing the Past of Magnetic Declination at the Real Observatorio de Madrid.” https://doi.org/10.3390/environsciproc2023028021.

Harvard

Tordesillas, J.M., Pavón–Carrasco, F.J. and Julián, A.B.A. (2024) ‘Reconstructing the Past of Magnetic Declination at the Real Observatorio de Madrid’. Available at: https://doi.org/10.3390/environsciproc2023028021.

BibTeX

@article{tordesillas2024reconstructing,
  title = {{Reconstructing the Past of Magnetic Declination at the Real Observatorio de Madrid}},
  author = {Tordesillas, José Manuel and Pavón–Carrasco, Fco. Javier and Julián, Ana Belén Anquela},
  pages = {21},
  year = {2024},
  doi = {10.3390/environsciproc2023028021}
}

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