Difference between revisions of "Kp index"
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| − | Index quantifying disturbances in the horizontal component of the Earth's magnetic field with a number in the range 0–9, with 1 being calm and ≥5 indicating a geomagnetic storm. The K index is derived from the maximum fluctuations of horizontal components observed on a magnetometer during a 3-h interval. The official planetary Kp index is derived by calculating a weighted average of K indices from a network of geomagnetic observatories. | + | Index quantifying disturbances in the horizontal component of the Earth's magnetic field with a number in the range 0–9, with 1 being calm and ≥5 indicating a geomagnetic storm. The K index is derived from the maximum fluctuations of horizontal components observed on a magnetometer during a 3-h interval. The official planetary Kp index is derived by calculating a weighted average of K indices from a network of geomagnetic observatories. |
| + | (Adapted from [[ICRP Publication 132]], 2013) | ||
'''Return to [[ICRP Glossary|Glossary]]''' | '''Return to [[ICRP Glossary|Glossary]]''' | ||
Latest revision as of 14:22, 7 September 2021
Index quantifying disturbances in the horizontal component of the Earth's magnetic field with a number in the range 0–9, with 1 being calm and ≥5 indicating a geomagnetic storm. The K index is derived from the maximum fluctuations of horizontal components observed on a magnetometer during a 3-h interval. The official planetary Kp index is derived by calculating a weighted average of K indices from a network of geomagnetic observatories.
(Adapted from ICRP Publication 132, 2013)
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