Proper noun
Birkeland (plural Birkelands)
A surname from Norwegian.
Auroras and the ionosphere Bright auroras are generally associated with Birkeland currents (Schield et al., 1969; citation Zmuda and Armstrong, 1973 citation ), which flow down into the ionosphere on one side of the pole and out on the other. Source: Internet
The Region 4A medalist was Alex Kandolin of St. Thomas More, who shot and 18-hole score of 74, followed by a pair of Belle Fourche players Payson Birkeland and Jade Burr who shot 78 and 84 respectively. Source: Internet
Kristian Birkeland, "Are the Solar Corpuscular Rays that penetrate the Earth's Atmosphere Negative or Positive Rays?" in Videnskapsselskapets Skrifter, I Mat -- Naturv. Source: Internet