Suppression of ionospheric irregularity due to auroral particle impact
The VISIONS-2 35.039 sounding rocket was launched from Ny-Ålesund, Svalbard, on 7 December 2018 at 11:06 UT, and traveled overhead of the cusp aurora. The payload reached an apogee of 806.6 km and provided measurements of the electric field (E) and electron density (Ne) with a high sampling rate of...
Published in: | Journal of Geophysical Research: Space Physics |
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ftoslouniv:oai:www.duo.uio.no:10852/94909 2023-05-15T17:48:27+02:00 Suppression of ionospheric irregularity due to auroral particle impact ENEngelskEnglishSuppression of ionospheric irregularity due to auroral particle impact Takahashi, Toru Spicher, Andres Di Mare, Francesca Rowland, Douglas E. Pfaff, Robert F. Collier, Michael R. Clausen, Lasse Moen, Jøran Idar 2022-05-20T08:31:48Z http://hdl.handle.net/10852/94909 http://urn.nb.no/URN:NBN:no-97416 https://doi.org/10.1029/2020JA028725 EN eng NFR/275653 http://urn.nb.no/URN:NBN:no-97416 Takahashi, Toru Spicher, Andres Di Mare, Francesca Rowland, Douglas E. Pfaff, Robert F. Collier, Michael R. Clausen, Lasse Moen, Jøran Idar . Suppression of ionospheric irregularity due to auroral particle impact. Journal of Geophysical Research (JGR): Space Physics. 2022, 127(1) http://hdl.handle.net/10852/94909 2025827 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal of Geophysical Research (JGR): Space Physics&rft.volume=127&rft.spage=&rft.date=2022 Journal of Geophysical Research (JGR): Space Physics 127 1 13 https://doi.org/10.1029/2020JA028725 URN:NBN:no-97416 Fulltext https://www.duo.uio.no/bitstream/handle/10852/94909/1/article16188.pdf Attribution-NonCommercial 4.0 International https://creativecommons.org/licenses/by-nc/4.0/ CC-BY-NC 2169-9380 Journal article Tidsskriftartikkel Peer reviewed PublishedVersion 2022 ftoslouniv https://doi.org/10.1029/2020JA028725 2022-08-10T22:35:23Z The VISIONS-2 35.039 sounding rocket was launched from Ny-Ålesund, Svalbard, on 7 December 2018 at 11:06 UT, and traveled overhead of the cusp aurora. The payload reached an apogee of 806.6 km and provided measurements of the electric field (E) and electron density (Ne) with a high sampling rate of 6,250 Hz. The high-sampling-data make it possible to estimate the horizontal structure of E and Ne on scales ranging from meters to kilometers scale. The horizontal variation in the electron density and electric field (ΔNe/Ne and ΔE) and integrated power of Ne and E (ΣPNe and ΣPE) for 1–10, 10–100, and 100–1,000 Hz range were derived. The derived values were compared with the 557.7 and 630.0 nm emission intensities obtained from an all-sky camera installed in Ny-Ålesund projected at the footprint of the rocket, which was calculated by tracing the Earth's magnetic field line from the rocket altitude to the emission layer. ΔNe/Ne, ΔE, ΣPNe, and ΣPE increased with the 630.0 nm emission intensity. Of particular interest is the lower level irregularity was observed when the 557.7 nm emission intensity exceeded 4.5 kR compared with other time interval. This may suggest that particle impact ionization created sufficient Pedersen conductance in the E-region to short the F-region current. This short-circuit seemed to cause the suppression of the irregularities in the F-region and lower level irregularities were also observed in the rocket altitude. Article in Journal/Newspaper Ny Ålesund Ny-Ålesund Svalbard Universitet i Oslo: Digitale utgivelser ved UiO (DUO) Ny-Ålesund Pedersen ENVELOPE(140.013,140.013,-66.668,-66.668) Svalbard Journal of Geophysical Research: Space Physics 127 1 |
institution |
Open Polar |
collection |
Universitet i Oslo: Digitale utgivelser ved UiO (DUO) |
op_collection_id |
ftoslouniv |
language |
English |
description |
The VISIONS-2 35.039 sounding rocket was launched from Ny-Ålesund, Svalbard, on 7 December 2018 at 11:06 UT, and traveled overhead of the cusp aurora. The payload reached an apogee of 806.6 km and provided measurements of the electric field (E) and electron density (Ne) with a high sampling rate of 6,250 Hz. The high-sampling-data make it possible to estimate the horizontal structure of E and Ne on scales ranging from meters to kilometers scale. The horizontal variation in the electron density and electric field (ΔNe/Ne and ΔE) and integrated power of Ne and E (ΣPNe and ΣPE) for 1–10, 10–100, and 100–1,000 Hz range were derived. The derived values were compared with the 557.7 and 630.0 nm emission intensities obtained from an all-sky camera installed in Ny-Ålesund projected at the footprint of the rocket, which was calculated by tracing the Earth's magnetic field line from the rocket altitude to the emission layer. ΔNe/Ne, ΔE, ΣPNe, and ΣPE increased with the 630.0 nm emission intensity. Of particular interest is the lower level irregularity was observed when the 557.7 nm emission intensity exceeded 4.5 kR compared with other time interval. This may suggest that particle impact ionization created sufficient Pedersen conductance in the E-region to short the F-region current. This short-circuit seemed to cause the suppression of the irregularities in the F-region and lower level irregularities were also observed in the rocket altitude. |
format |
Article in Journal/Newspaper |
author |
Takahashi, Toru Spicher, Andres Di Mare, Francesca Rowland, Douglas E. Pfaff, Robert F. Collier, Michael R. Clausen, Lasse Moen, Jøran Idar |
spellingShingle |
Takahashi, Toru Spicher, Andres Di Mare, Francesca Rowland, Douglas E. Pfaff, Robert F. Collier, Michael R. Clausen, Lasse Moen, Jøran Idar Suppression of ionospheric irregularity due to auroral particle impact |
author_facet |
Takahashi, Toru Spicher, Andres Di Mare, Francesca Rowland, Douglas E. Pfaff, Robert F. Collier, Michael R. Clausen, Lasse Moen, Jøran Idar |
author_sort |
Takahashi, Toru |
title |
Suppression of ionospheric irregularity due to auroral particle impact |
title_short |
Suppression of ionospheric irregularity due to auroral particle impact |
title_full |
Suppression of ionospheric irregularity due to auroral particle impact |
title_fullStr |
Suppression of ionospheric irregularity due to auroral particle impact |
title_full_unstemmed |
Suppression of ionospheric irregularity due to auroral particle impact |
title_sort |
suppression of ionospheric irregularity due to auroral particle impact |
publishDate |
2022 |
url |
http://hdl.handle.net/10852/94909 http://urn.nb.no/URN:NBN:no-97416 https://doi.org/10.1029/2020JA028725 |
long_lat |
ENVELOPE(140.013,140.013,-66.668,-66.668) |
geographic |
Ny-Ålesund Pedersen Svalbard |
geographic_facet |
Ny-Ålesund Pedersen Svalbard |
genre |
Ny Ålesund Ny-Ålesund Svalbard |
genre_facet |
Ny Ålesund Ny-Ålesund Svalbard |
op_source |
2169-9380 |
op_relation |
NFR/275653 http://urn.nb.no/URN:NBN:no-97416 Takahashi, Toru Spicher, Andres Di Mare, Francesca Rowland, Douglas E. Pfaff, Robert F. Collier, Michael R. Clausen, Lasse Moen, Jøran Idar . Suppression of ionospheric irregularity due to auroral particle impact. Journal of Geophysical Research (JGR): Space Physics. 2022, 127(1) http://hdl.handle.net/10852/94909 2025827 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal of Geophysical Research (JGR): Space Physics&rft.volume=127&rft.spage=&rft.date=2022 Journal of Geophysical Research (JGR): Space Physics 127 1 13 https://doi.org/10.1029/2020JA028725 URN:NBN:no-97416 Fulltext https://www.duo.uio.no/bitstream/handle/10852/94909/1/article16188.pdf |
op_rights |
Attribution-NonCommercial 4.0 International https://creativecommons.org/licenses/by-nc/4.0/ |
op_rightsnorm |
CC-BY-NC |
op_doi |
https://doi.org/10.1029/2020JA028725 |
container_title |
Journal of Geophysical Research: Space Physics |
container_volume |
127 |
container_issue |
1 |
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1766154519918411776 |