Some Characteristics of Irregular Micropulsations Pi2 at High Latitude Stations
Pi2 micropulsations were studied for the period July 12 to August 16, 1968, from four observatories at different latitudes in Canada. Maximum occurrence was near midnight with a preference for 5–6 h UT at all longitudes studied. The relationship of Pi2 occurrence to magnetic bays and to Kp is examin...
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Canadian Science Publishing
1971
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Online Access: | http://dx.doi.org/10.1139/p71-282 http://www.nrcresearchpress.com/doi/pdf/10.1139/p71-282 |
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crcansciencepubl:10.1139/p71-282 2023-12-17T10:27:39+01:00 Some Characteristics of Irregular Micropulsations Pi2 at High Latitude Stations Gupta, Jagdish C. Stening, Robert J. 1971 http://dx.doi.org/10.1139/p71-282 http://www.nrcresearchpress.com/doi/pdf/10.1139/p71-282 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Physics volume 49, issue 18, page 2338-2349 ISSN 0008-4204 1208-6045 General Physics and Astronomy journal-article 1971 crcansciencepubl https://doi.org/10.1139/p71-282 2023-11-19T13:38:55Z Pi2 micropulsations were studied for the period July 12 to August 16, 1968, from four observatories at different latitudes in Canada. Maximum occurrence was near midnight with a preference for 5–6 h UT at all longitudes studied. The relationship of Pi2 occurrence to magnetic bays and to Kp is examined. The correlation of Pi amplitudes and periods with Kp and other parameters reveals a different pattern for lower latitude stations (Ottawa and Meanook) compared with Baker Lake (73.9 °N). These results are interpreted as evidence for two different types of Pi in the different latitude regions, the lower latitude Pi being associated with hydromagnetic waves on the plasmapause. In studies of simultaneous Pi events at the four stations, the maximum amplitude occurred most frequently at Meanook. Polarization of such events was found to be different at different stations and so previously reported patterns of Pi polarization could not be confirmed. Article in Journal/Newspaper Baker Lake Canadian Science Publishing (via Crossref) Canada Canadian Journal of Physics 49 18 2338 2349 |
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Open Polar |
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Canadian Science Publishing (via Crossref) |
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crcansciencepubl |
language |
English |
topic |
General Physics and Astronomy |
spellingShingle |
General Physics and Astronomy Gupta, Jagdish C. Stening, Robert J. Some Characteristics of Irregular Micropulsations Pi2 at High Latitude Stations |
topic_facet |
General Physics and Astronomy |
description |
Pi2 micropulsations were studied for the period July 12 to August 16, 1968, from four observatories at different latitudes in Canada. Maximum occurrence was near midnight with a preference for 5–6 h UT at all longitudes studied. The relationship of Pi2 occurrence to magnetic bays and to Kp is examined. The correlation of Pi amplitudes and periods with Kp and other parameters reveals a different pattern for lower latitude stations (Ottawa and Meanook) compared with Baker Lake (73.9 °N). These results are interpreted as evidence for two different types of Pi in the different latitude regions, the lower latitude Pi being associated with hydromagnetic waves on the plasmapause. In studies of simultaneous Pi events at the four stations, the maximum amplitude occurred most frequently at Meanook. Polarization of such events was found to be different at different stations and so previously reported patterns of Pi polarization could not be confirmed. |
format |
Article in Journal/Newspaper |
author |
Gupta, Jagdish C. Stening, Robert J. |
author_facet |
Gupta, Jagdish C. Stening, Robert J. |
author_sort |
Gupta, Jagdish C. |
title |
Some Characteristics of Irregular Micropulsations Pi2 at High Latitude Stations |
title_short |
Some Characteristics of Irregular Micropulsations Pi2 at High Latitude Stations |
title_full |
Some Characteristics of Irregular Micropulsations Pi2 at High Latitude Stations |
title_fullStr |
Some Characteristics of Irregular Micropulsations Pi2 at High Latitude Stations |
title_full_unstemmed |
Some Characteristics of Irregular Micropulsations Pi2 at High Latitude Stations |
title_sort |
some characteristics of irregular micropulsations pi2 at high latitude stations |
publisher |
Canadian Science Publishing |
publishDate |
1971 |
url |
http://dx.doi.org/10.1139/p71-282 http://www.nrcresearchpress.com/doi/pdf/10.1139/p71-282 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Baker Lake |
genre_facet |
Baker Lake |
op_source |
Canadian Journal of Physics volume 49, issue 18, page 2338-2349 ISSN 0008-4204 1208-6045 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/p71-282 |
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Canadian Journal of Physics |
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49 |
container_issue |
18 |
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2338 |
op_container_end_page |
2349 |
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1785579562052091904 |