A comparison of EISCAT and Dynasonde measurements of the auroral ionosphere

Details A comparison of EISCAT and Dynasonde measurements of the auroral ionosphere A comparison of EISCAT and Dynasonde measurements of the auroral ionosphere

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996angeo..14.1403s&link_type=abstract

Annales Geophysicae, vol. 14, Issue 12, pp.1403-1412

Computer Science

Sound

9

Scientific paper

Incoherent-scatter radar and ionospheric sounding are powerful and complementary techniques in the study of the Earth's ionosphere. The work presented here involves the use of the Tromsø Dynasonde as a correlative diagnostic with the EISCAT incoherent-scatter radar. A comparison of electron-density profiles shows how a Dynasonde can be used to calibrate an incoherent-scatter radar and to monitor changes in the system. Skymaps of the direction of Dynasonde echoes are compared with EISCAT-derived density profiles to illustrate how a Dynasonde can be used to measure the drift velocity of auroral features. Vector velocities fitted to Dynasonde echoes are compared with EISCAT-derived plasma velocities. The results show good agreement when the data are taken during quiet to moderately active conditions and averaged over time scales of 30 min or more.

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