Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsa41b1734w&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SA41B-1734
Physics
[2427] Ionosphere / Ionosphere/Atmosphere Interactions, [2443] Ionosphere / Midlatitude Ionosphere, [3369] Atmospheric Processes / Thermospheric Dynamics, [3389] Atmospheric Processes / Tides And Planetary Waves
Scientific paper
A new highly sensitive Fabry-Perot interferometer has just been installed in Palmer Station, Antarctica. The instrument will measure mesospheric and thermospheric neutral winds in the Antarctica Peninsula region. The instrument has a highly sensitive EMCCD camera which eliminates the readout noise by electron amplification. Hence, we can make measurements in a much higher temporal resolution. The main objective is to have a better understanding of the cause of the ionosphere Weddell Sea Anomaly. For a long time, thermospheric winds are considered the likely source. There have not been any thermospheric wind measurements in the Antarctica peninsula region over several decades. The newly installed instrument fills the gap for in the southern polar region. In addition the mesospheric wind measurement will be used to study nonmigrating tides jointly with observation from Mawson station Antarctica. Furthermore, Palmer station is very close to the conjugate point of the Millstone Hill, where an incoherent scatter radar and a Fabry-Perot interferometer are located. The combination of the Millstone Hill and Palmer will allow conjugate thermospheric wind observation. In this report, we will present some preliminary results from this new instrument.
Conde M. G.
Wu Qingwen
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