Amplitude enhancement of short period GPS-TEC oscillations over rainfall area
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DOI[10.1186/s40623-022-01604-7]のデータに遷移します
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- 資料種別
- 記事
- 著者・編者
- Toshihiko IyemoriAkiyasu YamadaTadashi Aoyama
- 出版年月日等
- 2022-04-02
- 出版年（W3CDTF）
- 2022-04-02
- タイトル（掲載誌）
- EPS : Earth, Planets and Space
- 巻号年月日等（掲載誌）
- 74(45)
- 掲載巻
- 74(45)
- ISSN（掲載誌）
- 1880-5981
- ISSN-L（掲載誌）
- 1343-8832
- 本文の言語コード
- eng
- DOI
- 10.1186/s40623-022-01604-7
- 国立国会図書館永続的識別子
- info:ndljp/pid/12287113
- コレクション（共通）
- コレクション（障害者向け資料：レベル1）
- コレクション（個別）
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- 収集根拠
- オンライン資料収集制度
- 受理日（W3CDTF）
- 2022-05-18T20:14:28+09:00
- 保存日（W3CDTF）
- 2022-04-27
- 記録形式（IMT）
- application/pdf
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否（NDL）
- 可
- 掲載誌（国立国会図書館永続的識別子）
- info:ndljp/pid/12287068
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- 要約等
- Correlation between rainfall and short period GPS-TEC (total electron content) variations are investigated by using the precipitation data obtained on the ground and estimated from satellite observations (JAXA/GSMaP) as a proxy of lower atmospheric wave activity. The GPS-TEC data obtained at a tropical station, PHIM, in Phimai, Thailand, for 2014–2020, and the data obtained at a mid-latitude station, NAKG, in Tokara Nakanoshima Island, Japan, for 2017–2019, are examined. A statistical analysis of MEM (maximum entropy method) power spectral density (PSD) in the period range from 50 to 1200 s over PHIM clearly shows an enhancement in the cases of rainfall from that in no-rainfall cases, in particular, on the dusk side. The enhancement is observed both acoustic wave periods less than 5–6 min and internal gravity wave periods more than 10 min. The enhancement after sunset could be an effect of strong rainfall more frequent on the dusk side than that in other local time, or it could suggest the importance of ionospheric electron density profile change for the TEC variation. On the other hand, the PSD does not show such clear enhancement over NAKG on the dusk side, although it shows a small enhancement on both dayside and night-side. A clear PSD bulge near the main vertical acoustic resonance periods, i.e., around 275 s, appears in the average PSD profile of the TEC at PHIM, which suggests that the resonance effect contribute to some extent the PSD enhancement under rainy condition. An event analysis also suggests the contribution of acoustic resonance to the enhancement of the short period TEC variation. A complicated spatial distribution of TEC oscillation over a rainfall area around PHIM, where the TEC oscillations with various periods co-exist, is presented.
- DOI
- 10.1186/s40623-022-01604-7
- オンライン閲覧公開範囲
- インターネット公開
- 著作権情報
- © The Author(s) 2022.This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
- 関連情報（URI）
- 参照
- A confirmation of vertical acoustic resonance and field-aligned current generation just after the 2022 Hunga Tonga Hunga Ha'apai volcanic eruption
- 参照
- Magnetic ripples observed by Swarm satellites and their enhancement during typhoon activityDirectivity and apparent velocity of the coseismic ionospheric disturbances observed with a dense GPS arrayLocalized field-aligned currents and 4-min TEC and ground magnetic oscillations during the 2015 eruption of Chile’s Calbuco volcanoA numerical simulation of ionospheric and atmospheric variations associated with the Sumatra earthquake on December 26, 2004Excitation of atmospheric oscillations by volcanic eruptionsExcitation of 4‐min periodic ionospheric variations following the great Sumatra‐Andaman earthquake in 2004GPS detection of ionospheric perturbations following the January 17, 1994, Northridge EarthquakeIonospheric response to infrasonic‐acoustic waves generated by natural hazard eventsConcentric waves and short‐period oscillations observed in the ionosphere after the 2013 Moore EF5 tornadoGeomagnetic pulsations caused by the Sumatra earthquake on December 26, 2004Global and frequent appearance of small spatial scale field-aligned currents possibly driven by the lower atmospheric phenomena as observed by the CHAMP satellite in middle and low latitudesAcoustic resonance and plasma depletion detected by GPS total electron content observation after the 2011 off the Pacific coast of Tohoku EarthquakeGlobal distribution of magnetic ripples and electron density fluctuations as observed by the Swarm satellites on the dayside and their relation to the rainfall estimated by the GSMaP
- 連携機関・データベース
- 国立情報学研究所 : CiNii Research
- 提供元機関・データベース
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossref科学研究費助成事業データベース科学研究費助成事業データベースCrossref
- 書誌ID（NDLBibID）
- 12287113