Observations of mesoscale auroral plasma cavity crossings with the Freja satellite

• We have used data from the Freja satellite, with an apogee of 1700 km over the auroral oval, to make a statistical analysis of mesoscale auroral plasma density cavities. Such cavities are defined to be regions in the auroral zone with size scales between

Keyword

LOWER-HYBRID WAVES; KILOMETRIC RADIATION; ELECTRON-DENSITY; SOURCE REGION; ACCELERATION; DEPLETIONS; ALTITUDE; ZONE

Publication and Content Type

vet (subject category)

art (subject category)