Physics
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agusm..sm22b04b&link_type=abstract
American Geophysical Union, Spring Meeting 2001, abstract #SM22B-04
Physics
2704 Auroral Phenomena (2407), 2736 Magnetosphere/Ionosphere Interactions, 2740 Magnetospheric Configuration And Dynamics, 2753 Numerical Modeling, 2784 Solar Wind/Magnetosphere Interactions
Scientific paper
Polar UVI images of the northern hemisphere winter aurora are organized by interplanetary magnetic field (IMF) orientation and solar wind plasma parameters. The resulting auroral maps are compared with field-aligned current outputs from the coupled Michigan MHD and TIEGCM codes when run under similar solar wind and IMF conditions. The results are compared and discussed. In addition, time-series linear correlation analysis of the aurora with the solar wind and IMF is used to determine optimal correlation coefficients and corresponding lag times as a function of magnetic latitude and local time. These maps provide a quantitative measure of the spatial and temporal scales on which the aurora is controlled by processes in the magnetosphere and solar wind.
Baker Joseph B.
Clauer Robert C.
Papitashvili Vladimir O.
Ridley Aaron J.
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