Long-Term and Solar Variability

effects in the

Upper Atmosphere

The most spectacular effect of Solar variability -

the aurora - filmed at 3 frames /sec, played back at 12 frames/sec

click for more film !

Research is primarily based on ionosphere and upper atmosphere measurements by the EISCAT , ESRAD and Univ. Wales SkiYmet radars , complemented by local observations from cameras, the Univ. Bonn lidar , and meteorological databases.

-- Noctilucent clouds and PMSE

-- Solar Proton Events and the atmosphere (coming soon..)

Results are reported in detail in our publications