On the validation of K-index values at Italian geomagnetic observatories Article Swipe
Mauro Regi
,
P. Bagiacchi
,
Domenico Di Mauro
,
S. Lepidi
,
L. Cafarella
·
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.5194/gi-9-105-2020
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.5194/gi-9-105-2020
The local K index and the consequent global Kp index are well-established 3 h range indices used to characterize geomagnetic activity. The K index is one of the parameters that INTERMAGNET observatories can provide, and it has been widely used for several decades, although many other activity indices have been proposed in the meanwhile. The method for determining the K values has to be the same for all observatories. The INTERMAGNET consortium recommends the use of one of the four methods endorsed by the International Service of Geomagnetic Indices (ISGI) in close cooperation and agreement with the ad hoc working group of the International Association of Geomagnetism and Aeronomy (IAGA). INTERMAGNET provides the software code KASM, designed for an automatic calculation of the K index according to the adaptive smoothed method. K values should be independent of the local dynamic response, and therefore for their determination each observatory has its own specific scale regulated by the L9 lower limit, which represents the main input parameter for KASM. The determination of an appropriate L9 value for any geomagnetic observatory is then fundamental. In this work we statistically analyze the K values estimated by means of KASM code for the Italian geomagnetic observatories of Duronia (corrected geomagnetic latitude λ∼36∘ N) and Lampedusa (λ∼28∘ N) by comparing them with the German observatories of Wingst and Niemegk. Our comparative analysis is finalized to establish the best estimation of the L9 lower limit for these two stations. A comparison of L9 lower limits found for the Italian observatories with results from a previous empirical method was also applied and used to verify the consistency and reliability of our outcomes.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.5194/gi-9-105-2020
- https://gi.copernicus.org/articles/9/105/2020/gi-9-105-2020.pdf
- OA Status
- gold
- Cited By
- 5
- References
- 14
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2980250970
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2980250970Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.5194/gi-9-105-2020Digital Object Identifier
- Title
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On the validation of K-index values at Italian geomagnetic observatoriesWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2020Year of publication
- Publication date
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2020-04-03Full publication date if available
- Authors
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Mauro Regi, P. Bagiacchi, Domenico Di Mauro, S. Lepidi, L. CafarellaList of authors in order
- Landing page
-
https://doi.org/10.5194/gi-9-105-2020Publisher landing page
- PDF URL
-
https://gi.copernicus.org/articles/9/105/2020/gi-9-105-2020.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://gi.copernicus.org/articles/9/105/2020/gi-9-105-2020.pdfDirect OA link when available
- Concepts
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Earth's magnetic field, Geomagnetic latitude, Observatory, Aeronomy, Index (typography), Meteorology, Geodesy, Environmental science, Computer science, Physics, Geology, Astrophysics, Magnetic field, Atmosphere (unit), World Wide Web, Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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5Total citation count in OpenAlex
- Citations by year (recent)
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2024: 2, 2022: 1, 2021: 2Per-year citation counts (last 5 years)
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14Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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