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「しらせ」船上重力データの再処理
https://doi.org/10.15094/00010708
https://doi.org/10.15094/000107087308f141-817f-4625-8741-8c739d22fc69
名前 / ファイル | ライセンス | アクション |
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南極資料58-3_295 (7.2 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2015-03-12 | |||||
タイトル | ||||||
タイトル | 「しらせ」船上重力データの再処理 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Reprocessing of Shirase shipborne gravity data | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00010708 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(日) |
松崎, 和也
× 松崎, 和也× 福田, 洋一× 野木, 義史 |
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著者名(英) |
Matsuzaki, Kazuy
× Matsuzaki, Kazuy× Fukuda, Yoichi× Nogi, Yoshifumi |
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著者所属(日) | ||||||
産業技術総合研究所(元京都大学大学院理学研究科) | ||||||
著者所属(日) | ||||||
京都大学大学院理学研究科 | ||||||
著者所属(日) | ||||||
情報・システム研究機構国立極地研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568. | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Science, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502. | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research, Research Organization of Information and Systems, Midori-cho 10-3, Tachikawa, Tokyo 190-8518. | ||||||
抄録(日) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 日本南極地域観測隊では「しらせ」船上での重力測定を実施しているが,重力計のドリフトやオフセットにばらつきがあることから,小西ほか(2006)では,第46次隊までのデータについて,衛星高度計データによる海域重力モデルを基準とした補正が行われている.しかし,それ以降の取得データは未補正であり,また,衛星高度計による海域重力モデルも新しくなっていることから,今回,第52次隊までのすべての船上重力データについて再処理を行った.具体的には,未処理だった第47次隊から第52次隊のデータに含まれる異常値を除去した後,第27次隊から第52次隊の全データについて,最近のモデルgrav.img.20.1を基準としてドリフトおよびオフセットの補正を行った.これらの処理の概要について報告するとともに,補正済みデータセットを利用したリュツォ・ホルム湾からアムンゼン湾沖にかけての地殻構造推定結果について述べる. | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | To compile consistent data sets of Japanese Antarctic Research Expedition (JARE) shipborne gravity data, we applied drift and offset corrections to data sets obtained from JARE-27 to -52 by using a new satellite altimetric gravity model as the reference. Konishi et al. (2006) had previously conducted drift and offset corrections for data obtained up to and including JARE-46 so that the shipborne data fitted the satellite altimetric gravity data of grav.img.11.1 (Sandwell, 2004). Following the method of Konishi et al. (2006), we extracted gravity values from the altimetric gravity model of grav.img.20.1 (Sandwell, 2012) along the ship tracks, and then compared these values with those of the shipborne gravity data. These comparisons revealed large discrepancies near the turning points of the ship tracks, and large drifts and offsets in some of the data sets. We removed data that contained large discrepancies, and applied drift and offset corrections to the remaining data by assuming polynomial functions of time as the drift model. These reprocessed data sets were used for estimating crustal structure near Syowa Station. | |||||
雑誌書誌ID | ||||||
識別子タイプ | NCID | |||||
関連識別子 | AN00181831 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00857289 | |||||
書誌情報 |
南極資料 en : Antarctic Record 巻 58, 号 3, p. 295-308, 発行日 2014-11-28 |
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国際十進分類法 | ||||||
主題Scheme | UDC | |||||
主題 | 550.34:551.2 |