Utilizing riometry to observe gravity waves in the sunlit mesosphere

Jarvis, M.J.; Hibbins, R.E. ORCID: https://orcid.org/0000-0002-6867-2255; Taylor, M.J.; Rosenberg, T.J.. 2003 Utilizing riometry to observe gravity waves in the sunlit mesosphere. Geophysical Research Letters, 30 (19), 1979. 4, pp. 10.1029/2003GL017885

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Abstract/Summary

The novel use of imaging riometers to observe mesospheric gravity waves is described. Imaging riometers respond to changes in the absorption of cosmic radio noise in the ionospheric D-region which enables them to detect the compression and rarefaction of the atmosphere at ∼90 km altitude generated by the passage of gravity waves. A considerable advantage of this method is that, unlike conventional techniques which rely on imaging faint optical emissions from the airglow layer at ∼87 km altitude, riometers remain operative under daylit, moonlit or cloudy conditions. This is particularly important for research into gravity wave forcing of mesospheric temperature at polar latitudes in summer when continuous 24-hour daylight prevails. An example in which the same wave event is characterized in co-located airglow imager and imaging riometer shows good agreement between the two instruments.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1029/2003GL017885
Programmes:	BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Geospace Atmosphere Transfer Functions
ISSN:	0094-8276
Date made live:	12 Apr 2012 09:06 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/17667

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1029/2003GL017885

Programmes:

BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Geospace Atmosphere Transfer Functions

ISSN:

0094-8276

Date made live:

12 Apr 2012 09:06 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/17667