Solar wind and geomagnetism: toward a standard classification of geomagnetic activity from 1868 to 2...
Solar wind and geomagnetism: toward a standard classification of geomagnetic activity from 1868 to 2009
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Göttingen: Copernicus
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Language
English
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Göttingen: Copernicus
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Contents
We examined solar activity with a large series of geomagnetic data from 1868 to 2009. We have revisited the geomagnetic activity classification scheme of Legrand and Simon (1989) and improve their scheme by lowering the minimum Aa index value for shock and recurrent activity from 40 to 20 nT. This improved scheme allows us to clearly classify about...
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Full title
Solar wind and geomagnetism: toward a standard classification of geomagnetic activity from 1868 to 2009
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TN_cdi_doaj_primary_oai_doaj_org_article_4903667bc31d477a98b72ee2b2f2ff8e
Permalink
https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_doaj_primary_oai_doaj_org_article_4903667bc31d477a98b72ee2b2f2ff8e
Other Identifiers
ISSN
0992-7689,1432-0576
E-ISSN
1432-0576
DOI
10.5194/angeo-30-421-2012
