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| Titel |
Observations of long-lived solar wind streams during 1990-1993 |
| VerfasserIn |
G. Woan |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 13, no. 3 ; Nr. 13, no. 3, S.227-236 |
| Datensatznummer |
250011780
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| Publikation (Nr.) |
 copernicus.org/angeo-13-227-1995.pdf |
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| Zusammenfassung |
| Interplanetary scintillation (IPS) can be
used to identify changes in solar wind parameters over a wide range in
heliographic latitude and elongation and constrain models of its large-scale
structure, velocity and density. This paper reviews the scintillation density
mapping method specifically, and presents over three years of data taken between
March 1990 and September 1993 with the 3.6 hectare array in Cambridge. A novel
form of synoptic plot that is particularly sensitive to corotating structures is
introduced, and low-density streams are identified by their unequivocal
signatures within it. Stable corotating structures are evident throughout - even
during the active phase of the solar cycle - and specific periods are examined.
Density measurements inferred from scintillation are compared with IMP-8 data
for the same period and are shown to be in good agreement, giving further
support to the scintillation/density relationship determined by Tappin (1986). |
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