2008
DOI: 10.5194/angeo-26-2229-2008
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Developments in the use of EISCAT for interplanetary scintillation

Abstract: Abstract. The antennas of EISCAT have been used for interplanetary scintillation (IPS) studies of the solar wind for many years. The main science found from these studies is obtained through the cross-correlation of signals from antennas having the longest baseline, providing more accurate information on the different solar wind streams which may be present in the line of sight. The development of dualfrequency IPS observations between the 1.4 GHz receivers at the remote sites and Tromsø, has allowed the use o… Show more

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Cited by 27 publications
(30 citation statements)
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“…A substantial improvement in the analysis method was made by , who mapped the LOS ballistically back down to a "source surface" in the corona and overlaid it on a map of coronal brightness associating regions of the LOS above dark corona with fast flow and those above bright corona with slow flow, and fitting the two streams of solar wind-separately using a weak-scattering model. This model has subsequently been modified and developed (e.g., Klinglesmith, 1997;Massey, 1998;Bisi et al, 2007;Fallows, Breen, and Dorrian, 2008). This approach was used to study CIRs by Breen et al (1998) and Breen et al (2002a) with considerable success, but it was limited by the use of a single velocity for the ballistic projection.…”
Section: Ips Line-of-sight Mapping Methodsmentioning
confidence: 99%
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“…A substantial improvement in the analysis method was made by , who mapped the LOS ballistically back down to a "source surface" in the corona and overlaid it on a map of coronal brightness associating regions of the LOS above dark corona with fast flow and those above bright corona with slow flow, and fitting the two streams of solar wind-separately using a weak-scattering model. This model has subsequently been modified and developed (e.g., Klinglesmith, 1997;Massey, 1998;Bisi et al, 2007;Fallows, Breen, and Dorrian, 2008). This approach was used to study CIRs by Breen et al (1998) and Breen et al (2002a) with considerable success, but it was limited by the use of a single velocity for the ballistic projection.…”
Section: Ips Line-of-sight Mapping Methodsmentioning
confidence: 99%
“…This three-stream method has successfully been applied to fast solar-wind observations and a CME ; a detailed summary of this extension can be found in Fallows, Breen, and Dorrian (2008). If this three-stream analysis can be applied to interaction-type IPS data, then a clearer picture of slow, interacting, and fast solar-wind streams inside of 1 AU should be relatively easy to achieve.…”
Section: Conclusion and Future Prospectsmentioning
confidence: 99%
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“…More sophisticated methods fitting the observed auto-and cross-correlation spectra with the results from a weak-scattering model have also been adopted for IPS data analyses (e.g. Coles, 1996;Klinglesmith, 1997;Bisi et al, 2007a;Fallows, Breen, and Dorrian, 2008). In addition, as is done in this paper, the whole heliosphere can be reconstructed in three dimensions from IPS data using a tomographic model which combines many lines of sight to undo the line-ofsight (LOS) integration (see later).…”
Section: Introductionmentioning
confidence: 99%