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  Geomagnetic Activity Index Hpo

Yamazaki, Y., Matzka, J., Stolle, C., Kervalishvili, G., Rauberg, J., Bronkalla, O., Morschhauser, A., Bruinsma, S., SHPRITS, Y., Jackson, D. (2022 online): Geomagnetic Activity Index Hpo. - Geophysical Research Letters.
https://doi.org/10.1029/2022GL098860

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Yamazaki, Yosuke1, Autor              
Matzka, J.1, Autor              
Stolle, Claudia2, Autor              
Kervalishvili, G.1, Autor              
Rauberg, Jan1, Autor              
Bronkalla, Oliver1, Autor              
Morschhauser, Achim1, Autor              
Bruinsma, S.3, Autor
SHPRITS, YURI4, Autor              
Jackson, David3, Autor
Affiliations:
12.3 Geomagnetism, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146030              
20 Pre-GFZ, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146023              
3External Organizations, ou_persistent22              
42.7 Space Physics and Space Weather, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_2239888              

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Schlagwörter: DEAL Wiley
 Zusammenfassung: The geomagnetic activity index Kp is widely used but is restricted by low time resolution (three-hourly) and an upper limit. To address this, new geomagnetic activity indices, Hpo, are introduced. Similar to Kp, Hpo expresses the level of planetary geomagnetic activity in units of thirds (0o, 0 + , 1 − , 1o, 1 + , 2 − , …) based on the magnitude of geomagnetic disturbances observed at subauroral observatories. Hpo has a higher time resolution than Kp. 30-minute (Hp30) and 60-minute (Hp60) indices are produced. The frequency distribution of Hpo is designed to be similar to that of Kp so that Hpo may be used as a higher time-resolution alternative to Kp. Unlike Kp, which is capped at 9o, Hpo is an open-ended index and thus can characterize severe geomagnetic storms more accurately. Hp30, Hp60 and corresponding linearly-scaled ap30 and ap60 are available, in near real time, at the GFZ website (https://www.gfz-potsdam.de/en/hpo-index).

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 Datum: 2022
 Publikationsstatus: Online veröffentlicht
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 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1029/2022GL098860
OATYPE: Hybrid - DEAL Wiley
GFZPOF: p4 MESI
GFZPOFWEITERE: p4 T3 Restless Earth
GFZPOFWEITERE: p4 T1 Atmosphere
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Titel: Geophysical Research Letters
Genre der Quelle: Zeitschrift, SCI, Scopus, ab 2023 oa
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: - Identifikator: ISSN: 1944-8007
ISSN: 0094-8276
CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/journals182
Publisher: American Geophysical Union (AGU)