Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa51a1929j&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SA51A-1929
Physics
[2407] Ionosphere / Auroral Ionosphere, [2435] Ionosphere / Ionospheric Disturbances, [2439] Ionosphere / Ionospheric Irregularities, [2475] Ionosphere / Polar Cap Ionosphere
Scientific paper
Auroral ionospheric irregularities produced by energetic particle precipitation are known to cause scintillation of transionospheric radio signals. The data obtained by the GPS Ionospheric Scintillation and TEC Monitors (GISTMs) operated in the Arctic and Antarctica are used in an inter-hemispheric study of GPS phase scintillation. The Canadian High Arctic Ionospheric Network (CHAIN) includes two GPS receivers in Iqaluit and Qikiqtarjuaq that are approximately conjugate with South Pole station. An all-sky imager is presently located at South Pole and the Arctic sites are equipped with riometers sensitive to energetic particle precipitation causing ionospheric density enhancements. GPS phase scintillation events closely associated with auroral brightenings and substorms were observed during ionospheric disturbances caused by high-speed solar wind streams. Instances of simultaneity of scintillation and the associated auroral events at conjugate locations are reported.
Danskin Donald W.
Ebihara Yasuhiro
Jayachandran P. T.
Mitchell Cathryn N.
Prikryl Paul
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