Mathematics – Logic
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3212818f&link_type=abstract
Geophysical Research Letters, Volume 32, Issue 12, CiteID L12818
Mathematics
Logic
14
Global Change: Climate Variability (1635, 3305, 3309, 4215, 4513), Atmospheric Processes: Mesospheric Dynamics, Atmospheric Composition And Structure: Airglow And Aurora, Atmospheric Processes: Tides And Planetary Waves, Atmospheric Processes: Remote Sensing
Scientific paper
Hydroxyl airglow temperatures measured over Davis station, Antarctica (68°S, 78°E) in 2002 are compared to an 8-year climatological mean. The 2002 winter average temperature was 5.1 +/- 0.8K warmer than the climatological mean. This anomaly is a factor of two larger than what can be attributed to solar flux increases. Of the 210 nightly averages obtained, 72 (34%) exceeded the climatological maximum, primarily in two unusually warm intervals in late-May to early-June and in mid-July. An unusually cold interval (10 nights below the climatological minimum) coincided with a climatological dip in mid-August. Temperature oscillations of 15-20 K amplitude, extending over 4 cycles across the Sep-Oct stratospheric warming correlate with Rothera temperatures and Davis mesospheric winds and are consistent with a 14-day westward propagating zonal planetary wave number 1.
Burns Gary B.
Espy Patrick J.
French John R. W.
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