Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsa13a..05c&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SA13A-05
Physics
[0355] Atmospheric Composition And Structure / Thermosphere: Composition And Chemistry, [2437] Ionosphere / Ionospheric Dynamics, [2494] Ionosphere / Instruments And Techniques, [3369] Atmospheric Processes / Thermospheric Dynamics
Scientific paper
Strong auroral activity is known to produce substantial changes in thermospheric composition at regional scales and smaller. It would clearly be highly desirable to be able to predict how wind transport will determine where such air masses go, and how spatial and temporal variations in the wind will act to distort and mix the air masses during their journey. This talk will demonstrate that such predictions demand accurate and very complete knowledge of the thermospheric neutral wind field, across a range of spatial scales. It will be argued that both existing and foreseeable near-term future capabilites for measuring thermospheric winds fall well short of these requirements. Several possible strategies for improved measurements will be presented, although none can achieve the ultimate goal of time-continuous monitoring of how all three wind components vary across all three spatial dimensions.
Conde M. G.
Larsen Mark F.
Ridley Aaron J.
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