Computer Science – Sound
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.590..115k&link_type=abstract
In: 17th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 30 May - 2 June 2005, Sandefjord, Norway.
Computer Science
Sound
Earth Mesosphere, Rocket Observations
Scientific paper
Both ESRAD and the EISCAT VHF radars were operated during January 2005 covering the times of both the MAGIC and ROMA sounding rocket campaigns at Esrange and Andøya, respectively. Thin layers of enhanced radar echoes (PMWE) were observed on several occasions with ESRAD, and on one occasion with EISCAT. The PMWE show very high horizontal scatterer travel speeds and high aspect sensitivity (ESRAD), and spectral widths indistinguishable from those caused by the background plasma (EISCAT). We propose that scatter from highly-damped ion-acoustic waves generated by partial reflection of infrasonic waves provides a reasonable explanation of PMWE characteristics.
Belova Evgenia
Chilson Philip
Dalin Peter
Ekeberg Jonas
Haggstrom Ingemar
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