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A New Southern High-latitude Index : Volume 16, Issue 12 (30/11/-0001)

By Ballatore, P.

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Book Id: WPLBN0003977609
Format Type: PDF Article :
File Size: Pages 10
Reproduction Date: 2015

Title: A New Southern High-latitude Index : Volume 16, Issue 12 (30/11/-0001)  
Author: Ballatore, P.
Volume: Vol. 16, Issue 12
Language: English
Subject: Science, Annales, Geophysicae
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Engebretson, M. J., Maclennan, C. G., Candidi, M., Burns, G., Bitterly, J., Meng, C., & Ballatore, P. (-0001). A New Southern High-latitude Index : Volume 16, Issue 12 (30/11/-0001). Retrieved from

Description: IFSI/CNR, c.p.27, 00044 Frascati, Rome, Italy. We have developed and examined a new regional geomagnetic index AES-80, defined similarly to the classical auroral electrojet AE index, using data from five Antarctic stations located at corrected geomagnetic latitudes about 80 °S. Because only sparse ground-based information can be derived from auroral latitudes in the Southern Hemisphere, and because no index comparable to AE can be constructed from locations in the south, the possibility of using AES-80 as a measure of high latitudes and polar cap activity is investigated. As a global average activity level indicator, it is found that in general AES-80 gives results rather similar to the classical AE index. However AES-80 provides a more robust measure of the occurrence of high-latitude geomagnetic activity.

Key words. Magnetospheric physics (auroral phenomena; polar cap phenomena).

A new southern high-latitude index


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