Rocket Measurements of Daytime Electron Density and Temperature Profiles in the Polar Ionosphere
Two sounding rockets, S-210JA-22 and S-310JA-1,were successfully launched into the quiet daytime ionosphere from Syowa Station, Antarctica in the summer of 1976 for measuring electron density and temperature. The S-210JA-22 experiment shows that the E-region electron density (N_e) was nearly 2×(10)^...
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Radio Research Laboratories
1978
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ftnipr:oai:nipr.repo.nii.ac.jp:00000902 2023-05-15T13:47:58+02:00 Rocket Measurements of Daytime Electron Density and Temperature Profiles in the Polar Ionosphere Tadahiko Ogawa Hirotaka Mori Shigeru Miyazaki 1978-10 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=902 http://id.nii.ac.jp/1291/00000902/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=902&item_no=1&attribute_id=18&file_no=1 en eng Radio Research Laboratories https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=902 http://id.nii.ac.jp/1291/00000902/ AA00733561 Memoirs of National Institute of Polar Research. Special issue, 9, 1-10(1978-10) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=902&item_no=1&attribute_id=18&file_no=1 Departmental Bulletin Paper P(論文) 1978 ftnipr 2022-11-12T19:41:48Z Two sounding rockets, S-210JA-22 and S-310JA-1,were successfully launched into the quiet daytime ionosphere from Syowa Station, Antarctica in the summer of 1976 for measuring electron density and temperature. The S-210JA-22 experiment shows that the E-region electron density (N_e) was nearly 2×(10)^4/(cm)^3 and that the electron temperature (T_e) increased with altitude, being 600±200K at altitude of 100km to 900±300K at 120km. Profiles between 90 and 215km measured by S-310JA-1 reveal that N_e changed slowly from 1×(10)^5 at 100km to 7×(10)^4/(cm)^3 at 215km and that T_e had a minimum of 500±100K at 110km which was followed by the gradual increase attaining to 1900±200K at 215km. Comparing the present results with the daytime electron density profiles obtained at Syowa Station during 1970-1973 and with those at mid-latitude, it is pointed out that main ionization process occurring in the polar D-region is a high energy particle precipitation from the magnetosphere even under quiet daytime ionospheric conditions. Report Antarc* Antarctica Memoirs of National Institute of Polar Research Polar Research National Institute of Polar Research Repository, Japan Syowa Station |
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National Institute of Polar Research Repository, Japan |
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ftnipr |
language |
English |
description |
Two sounding rockets, S-210JA-22 and S-310JA-1,were successfully launched into the quiet daytime ionosphere from Syowa Station, Antarctica in the summer of 1976 for measuring electron density and temperature. The S-210JA-22 experiment shows that the E-region electron density (N_e) was nearly 2×(10)^4/(cm)^3 and that the electron temperature (T_e) increased with altitude, being 600±200K at altitude of 100km to 900±300K at 120km. Profiles between 90 and 215km measured by S-310JA-1 reveal that N_e changed slowly from 1×(10)^5 at 100km to 7×(10)^4/(cm)^3 at 215km and that T_e had a minimum of 500±100K at 110km which was followed by the gradual increase attaining to 1900±200K at 215km. Comparing the present results with the daytime electron density profiles obtained at Syowa Station during 1970-1973 and with those at mid-latitude, it is pointed out that main ionization process occurring in the polar D-region is a high energy particle precipitation from the magnetosphere even under quiet daytime ionospheric conditions. |
format |
Report |
author |
Tadahiko Ogawa Hirotaka Mori Shigeru Miyazaki |
spellingShingle |
Tadahiko Ogawa Hirotaka Mori Shigeru Miyazaki Rocket Measurements of Daytime Electron Density and Temperature Profiles in the Polar Ionosphere |
author_facet |
Tadahiko Ogawa Hirotaka Mori Shigeru Miyazaki |
author_sort |
Tadahiko Ogawa |
title |
Rocket Measurements of Daytime Electron Density and Temperature Profiles in the Polar Ionosphere |
title_short |
Rocket Measurements of Daytime Electron Density and Temperature Profiles in the Polar Ionosphere |
title_full |
Rocket Measurements of Daytime Electron Density and Temperature Profiles in the Polar Ionosphere |
title_fullStr |
Rocket Measurements of Daytime Electron Density and Temperature Profiles in the Polar Ionosphere |
title_full_unstemmed |
Rocket Measurements of Daytime Electron Density and Temperature Profiles in the Polar Ionosphere |
title_sort |
rocket measurements of daytime electron density and temperature profiles in the polar ionosphere |
publisher |
Radio Research Laboratories |
publishDate |
1978 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=902 http://id.nii.ac.jp/1291/00000902/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=902&item_no=1&attribute_id=18&file_no=1 |
geographic |
Syowa Station |
geographic_facet |
Syowa Station |
genre |
Antarc* Antarctica Memoirs of National Institute of Polar Research Polar Research |
genre_facet |
Antarc* Antarctica Memoirs of National Institute of Polar Research Polar Research |
op_relation |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=902 http://id.nii.ac.jp/1291/00000902/ AA00733561 Memoirs of National Institute of Polar Research. Special issue, 9, 1-10(1978-10) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=902&item_no=1&attribute_id=18&file_no=1 |
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1766248217309085696 |