Ap index: Difference between revisions

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== Ap index ==
{{Term
 
|Display title=Ap index
<div class="definition"><div class="short_definition">
|Definitions={{Definition
 
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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>
|Meaning=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]].
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<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>


<p>Space Weather Prediction Center, 2018: Station K and A indices. Accessed 13 August 2018. Available at <nowiki>https://www.swpc.noaa.gov/products/station-k-and-indices</nowiki>.</p><br/>
<p>Space Weather Prediction Center, 2018: Station K and A indices. Accessed 13 August 2018. Available at <nowiki>https://www.swpc.noaa.gov/products/station-k-and-indices</nowiki>.</p>
 
|Explanation=<p>''Term edited 13 August 2018.''</p>
<p>''Term edited 13 August 2018.''</p>
 
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[[Category:Terms_A]]

Latest revision as of 21:28, 13 January 2024

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.

|Explanation=

Term edited 13 August 2018.

Measure of the effective concentration of a chemical in the gas or liquid phase.

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