Concept information
Preferred term
GEOMAGNETIC INDICES
Definition
- Geomagnetic indices are an indicator of geomagntic activity caused by solar events. Typical geomagntic indices are: a, A, Ap, Dst, K, and Kp. The A-index, for example, is a daily average composed of 3-hour data points. Geomagnetic indices can be used in conjunction with solar"wind" data to predict the onset and intensity of geomagnetic storms. (en)
Broader concept
URI
https://gcmd.earthdata.nasa.gov/kms/concept/990016e0-f247-4c36-8a17-f50e792a964a
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