Ap index: Difference between revisions
From Glossary of Meteorology
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== Ap index == | == Ap index == | ||
<div class="definition"><div class="short_definition"> | <div class="definition"><div class="short_definition">A space weather related index that denotes a formally determined value from the daily, mean 3-hourly equivalent amplitude of magnetic activity from a planetary network of 11 Northern and 2 Southern Hemisphere magnetic observatories. It is a measure of the global scale of disturbance of the Earth's magnetic field and correlates to the breadth of the [[auroral oval]].</div><br/></div> | ||
A space weather related index that denotes a formally determined value from the daily, mean 3-hourly equivalent amplitude of magnetic activity from a planetary network of 11 Northern and 2 Southern Hemisphere magnetic observatories. It is a measure of the global scale of disturbance of the Earth's magnetic field and correlates to the breadth of the [[auroral oval]].</div><br/></div> | |||
<p>GFZ German Research Centre for Geosciences, 2018: Indices of global geomagnetic activity. Accessed 13 August 2018. Available at <nowiki>https://www.gfz-potsdam.de/en/kp-index/</nowiki>.</p> | <p>GFZ German Research Centre for Geosciences, 2018: Indices of global geomagnetic activity. Accessed 13 August 2018. Available at <nowiki>https://www.gfz-potsdam.de/en/kp-index/</nowiki>.</p> | ||
Revision as of 17:16, 14 August 2018
Ap index[edit | edit source]
A space weather related index that denotes a formally determined value from the daily, mean 3-hourly equivalent amplitude of magnetic activity from a planetary network of 11 Northern and 2 Southern Hemisphere magnetic observatories. It is a measure of the global scale of disturbance of the Earth's magnetic field and correlates to the breadth of the auroral oval.
GFZ German Research Centre for Geosciences, 2018: Indices of global geomagnetic activity. Accessed 13 August 2018. Available at https://www.gfz-potsdam.de/en/kp-index/.
Space Weather Prediction Center, 2018: Station K and A indices. Accessed 13 August 2018. Available at https://www.swpc.noaa.gov/products/station-k-and-indices.
Term edited 13 August 2018.
