Application of SuperDARN Radars to Monitor PMSE Activity During the AIM Mission

Details Application of SuperDARN Radars to Monitor PMSE Activity During the AIM Mission Application of SuperDARN Radars to Monitor PMSE Activity During the AIM Mission

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agusmsa52a..06c&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SA52A-06

Physics

0305 Aerosols And Particles (0345, 4801, 4906), 3332 Mesospheric Dynamics, 3334 Middle Atmosphere Dynamics (0341, 0342)

Scientific paper

Polar Mesospheric Summer Echoes (PMSE) are strong radar backscatter from small particles thought to be pre-cursors to Polar Mesospheric Clouds (PMC). Indeed, PMSE display a climatology statistically very similar to PMCs. For over two decades, VHF radars have observed PMSE in both the northern and southern hemispheres. However, PMSE can also be observed in the "near range gates" of HF radars such as those of the SuperDARN (Dual Auroral Radar Network). Currently, 16 SuperDARN radars operate in both the northern and southern hemispheres. This network has operated for over 10 years and will be operating during the upcoming AIM (Aeronomy of Ice in the Mesosphere) mission. Recent advances in the analysis of SuperDARN data (Hosokawa et al., GRL 10.1029/2005GL022778, 2005) allow automatic extraction of PMSE from near- range SuperDARN data. If desired, the radars can be operated in special or discretionary modes more properly "tuned" to detect PMSE in coincidence with AIM satellite overpasses. This paper will discuss measurements of PMSE by SuperDARN and indicate the potential for augmenting the AIM mission with important data on PMC precursors.

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