Small Scale Structure in the Horizontal Neutral Wind Field at Sondrestrom (kangerlussuaq), Greenland
Abstract
The thermospheric neutral wind field at Sondrestrom (Kangerlussuaq), Greenland is monitored with two independent instruments: direct measurements of the neutral wind are obtained optically by a Fabry-Perot interferometer, while an incoherent scatter radar indirectly determines the wind from plasma drift measurements. The location of the aeronomical observatory places it under the auroral oval during dusk and dawn and within the polar cap during the midnight sector. During all of these periods, electron and ion precipitation enhance the ionization of the E and F regions of the ionosphere in localized regions. This paper will describe the neutral wind field during these auroral events. The morphology of the auroral emissions is characterized by all sky imagery, which provides a context to the more narrow fields observed by the wind monitors.
- Publication:
-
AGU Fall Meeting Abstracts
- Pub Date:
- December 2003
- Bibcode:
- 2003AGUFMSA22A0094N
- Keywords:
-
- 0310 Airglow and aurora