quiet day curve

Alternative definitions (0), class: vernacular (0)
Term: quiet day curve

Especially in connection with the components of the geomagnetic field (see geomagnetic elements), the trace expected in the absence of activity. The K index and Q index are measured from deviations relative to a QDC.  Riometer and neutron monitor deviations are also measured relative to a QDC.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan