Physics
Scientific paper
Nov 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001jgr...10625857j&link_type=abstract
Journal of Geophysical Research, Volume 106, Issue A11, p. 25857-25872
Physics
1
Magnetospheric Physics
Scientific paper
A merged data set from Canadian Auroral Network for the OPEN Program Unified Study (CANOPUS) and Magnetometers-Ionospheric Radars-All-Sky Cameras Large Experiment (MIRACLE) magnetometer stations is used to study variations observed at widely separated locations. Three years of 10-s data are analyzed using canonical correlation techniques to determine the temporal offset of similar fluctuations observed at pairs of sites. Nearly simultaneous (<2-min delay) signatures are often found between sites separated by 12 hours magnetic local time, with no evidence of more slowly propagating events (>10-min delay). Correlated episodes occur more often (roughly 10% of the time) when sites are in the dawn/dusk sectors and less often (~5%) for noon/midnight configurations.
Cogger Leroy L.
Donovan Eric F.
Eglitis Paul
Jackel Brian J.
Opgenoorth Hermann J.
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