Comparison of meteor and medium frequency radar kilometer scale MLT dynamics at 70°N

Details Comparison of meteor and medium frequency radar kilometer scale MLT dynamics at 70°N Comparison of meteor and medium frequency radar kilometer scale MLT dynamics at 70°N

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jastp..68..309h&link_type=abstract

Journal of Atmospheric and Solar-Terrestrial Physics, Volume 68, Issue 3-5, p. 309-316.

Physics

Scientific paper

Kinetic energy dissipation rates for the auroral MLT have been obtained from the Tromsø middle frequency radar (MFR) and compared with simultaneous measurements of neutral wind-shears obtained from the Nippon/Norway Tromsø meteor radar (NTMR). Since wind-shears can drive dynamic instabilities which in turn result in turbulent dissipation of kinetic energy, we would expect these parameters to be correlated, and this is indeed the case. Having established this correlation we quantitatively combine the results from each radar to estimate the turbulent diffusion coefficient for momentum; considering the tentative nature of this approach, we find the agreement with previous estimates to be surprisingly good.

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