A Comparison of Equatorial Electrojet in Peru and East Brazil

The paper describes the characteristics of the equatorial electrojet at Huancayo (HUA, 12.1[degrees]S, 75.3[degrees]W, inclination 1.5[degrees]N, declination 1.0[degrees]E) in western side of South America, where the geomagnetic field is aligned almost along the geographic meridian, and at Itinga (I...

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Bibliographic Details
Published in:The open atmospheric science journal 2013, Vol.7 (1), p.29-36
Main Authors: Rastogi, R G, Chandra, H, Shah, Rahul, Trivedi, N B, Fontes, S L
Format: Article
Language:English
Subjects:
Alignment
Americas
Correlation
Declination
Equatorial electrojet
Geomagnetic fields
Inclination
Stations
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Summary:The paper describes the characteristics of the equatorial electrojet at Huancayo (HUA, 12.1[degrees]S, 75.3[degrees]W, inclination 1.5[degrees]N, declination 1.0[degrees]E) in western side of South America, where the geomagnetic field is aligned almost along the geographic meridian, and at Itinga (ITI, 4.3[degrees]S, 47.0[degrees]W, inclination 1.4[degrees]N, declination 19.3[degrees]W) in eastern part of South America, where the geomagnetic field is aligned about 19[degrees] west of the geographic meridian; although the mean intensity of the magnetic field in the two regions are almost of the same order. Further comparisons are made of the current at Itinga and at Tatuoca (TTB, 1.2[degrees]S, 48.5[degrees]W, inclination 7.8[degrees] N, declination 18.7[degrees]W), a low latitude station in the same longitude sector. The midnight values of X field at HUA, ITI and TTB showed significant (0.90 or greater) correlation with Dst index. Correlation values of about 0.7 were observed between Dst and midday values of X at ITI and TTB and to a lesser degree (0.4) at HUA.
ISSN:1874-2823
1874-2823
DOI:10.2174/1874282320130417003