Physics
Scientific paper
Apr 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jatp...55..683w&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 55, no. 4-5, p. 683-696.
Physics
27
Auroral Zones, Eiscat Radar System (Europe), Gravity Waves, Traveling Ionospheric Disturbances, Cross Correlation, Doppler Radar, Ionospheric Heating
Scientific paper
Scientific results derived from the four campaigns of the Worldwide Atmospheric Gravity-wave Study which took place in the European sector are summarized. In these studies, the EISCAT incoherent-scatter radar and magnetometer chains were used to monitor the source region in the auroral zone, and an HF Doppler network supplemented by ionosondes was used to detect the propagation of large-scale gravity waves over the United Kingdom. A strong correlation was found between the amplitude of the fluctuations in the electric field in the westward electrojet and the amplitude of the waves observed by the HF Doppler. It was also found that the time-lag between the onset of strong auroral activity and the arrival of the traveling disturbance over the U.K. was usually about an hour, suggesting a source region about 2000 km north.
Freeman S. C. K.
Lester Mark
Lewis R. V.
McCrea I. W.
Rodger Alan S.
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