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Primary objectives of the TIMA programme include research into:
- Energy dissipation in the mesosphere from the upward propagation of tides and planetary waves,
including the QBO;
- The effects of geomagnetic activity on mesospheric and thermospheric dynamics;
- Long-term variations in the lower thermosphere and ionosphere as indicators of global change;
- The cause of marked differences between the northern and southern hemisphere mesospheric
wind fields, wave activity and turbulence;
- Changes in HF radio wave reflectivity at mesospheric altitudes linked to dynamics of the
underlying atmosphere;
- Small-scale spatial characteristics of charged particle precipitation injected into the lower
ionosphere from the magnetosphere in the vicinity of plasmapause and from sub-auroral latitudes
into the polar cap;
- The effects of Pc1 micropulsations on radio waves reflected from the ionosphere;
- The relationships between ionospheric irregularities, breaking waves, scintillation
boundaries and the mid-latitude F-region trough;
- The refinement of peer global numerical models through examining the reasons for timedependent
discrepancies between those models and observations.
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