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Polar mesosphere summer echoes with ESRAD, Kiruna, Sweden: variations and trends over 1997-2008


Reference:

Smirnova, M., Belova, E., Kirkwood, S. and Mitchell, N., 2010. Polar mesosphere summer echoes with ESRAD, Kiruna, Sweden: variations and trends over 1997-2008. Journal of Atmospheric and Solar-Terrestrial Physics, 72 (5-6), pp. 435-447.

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http://dx.doi.org/10.1016/j.jastp.2009.12.014

Abstract

Measurements of Polar Mesosphere Summer Echoes (PMSE) with the MST radar ESRAD, in northern Sweden, from 1997 to 2008, were used to study diurnal, day-to-day and year-to-year variations of PMSE. The PMSE occurrence rate and volume reflectivity on a daily scale show predominantly semidiurnal variations with small interannual variability in the shape of the diurnal curves. Day-to-day and interannual variations of PMSE are found to correlate with geomagnetic activity while they do not correlate with mesopause temperature or solar activity. No statistically significant trends in PMSE occurrence rate and length of PMSE season were detected over the observation interval.

Details

Item Type Articles
CreatorsSmirnova, M., Belova, E., Kirkwood, S. and Mitchell, N.
DOI10.1016/j.jastp.2009.12.014
Uncontrolled Keywordspmse, mesopause, winds, temperature
DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
RefereedYes
StatusPublished
ID Code18684

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