GPS/acoustic seafloor positioning experiment in the subduction zone of the Japan trench

Hiromi Fujimoto; Satoshi Miura; Aaron Sweeney; Minoru Ito; Yukihito Osada; Toshihiko Kanazawa

doi:10.1109/oceans.2003.178411

GPS/acoustic seafloor positioning experiment in the subduction zone of the Japan trench

Hiromi Fujimoto, Satoshi Miura, Aaron Sweeney, Minoru Ito, Yukihito Osada, Toshihiko Kanazawa

理学研究科・附属地震・噴火予知研究観測センター

研究成果: Conference article › 査読

抄録

Planning to make in situ observations of seismic coupling and motion of the Pacific Plate near the Japan Trench (about 200 km from the coast), we deployed three precision acoustic transponders (PXPs) in 2001 on both the Pacific plate (70 km from the trench axis at a depth of 5450 m) and the landward slope (70 km from the axis at a depth of 2800 m). The PXP system was developed for the full ocean depth in collaboration with a group at the Scripps Institution of Oceanography. We confirmed precise ranging up to a 15 km slant range with the PXPs. We obtained an accuracy of 2-3 cm for the sea-surface kinematic GPS positioning at a baseline length of 350 km. We have confirmed the anchor stability through visual inspection of PXPs deployed on thick sediment of the old Pacific Plate.

本文言語	English
ページ（範囲）	765-769
ページ数	5
ジャーナル	Oceans Conference Record (IEEE)
巻	2
DOI	https://doi.org/10.1109/oceans.2003.178411
出版ステータス	Published - 2003
イベント	Celabrating the Past... Teaming Toward the Future - San Diego, CA., United States 継続期間: 2003 9月 22 → 2003 9月 26

ASJC Scopus subject areas

海洋学

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10.1109/oceans.2003.178411

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引用スタイル

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title = "GPS/acoustic seafloor positioning experiment in the subduction zone of the Japan trench",

abstract = "Planning to make in situ observations of seismic coupling and motion of the Pacific Plate near the Japan Trench (about 200 km from the coast), we deployed three precision acoustic transponders (PXPs) in 2001 on both the Pacific plate (70 km from the trench axis at a depth of 5450 m) and the landward slope (70 km from the axis at a depth of 2800 m). The PXP system was developed for the full ocean depth in collaboration with a group at the Scripps Institution of Oceanography. We confirmed precise ranging up to a 15 km slant range with the PXPs. We obtained an accuracy of 2-3 cm for the sea-surface kinematic GPS positioning at a baseline length of 350 km. We have confirmed the anchor stability through visual inspection of PXPs deployed on thick sediment of the old Pacific Plate.",

author = "Hiromi Fujimoto and Satoshi Miura and Aaron Sweeney and Minoru Ito and Yukihito Osada and Toshihiko Kanazawa",

year = "2003",

doi = "10.1109/oceans.2003.178411",

language = "English",

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pages = "765--769",

journal = "Oceans Conference Record (IEEE)",

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T1 - GPS/acoustic seafloor positioning experiment in the subduction zone of the Japan trench

AU - Fujimoto, Hiromi

AU - Miura, Satoshi

AU - Sweeney, Aaron

AU - Ito, Minoru

AU - Osada, Yukihito

AU - Kanazawa, Toshihiko

PY - 2003

Y1 - 2003

N2 - Planning to make in situ observations of seismic coupling and motion of the Pacific Plate near the Japan Trench (about 200 km from the coast), we deployed three precision acoustic transponders (PXPs) in 2001 on both the Pacific plate (70 km from the trench axis at a depth of 5450 m) and the landward slope (70 km from the axis at a depth of 2800 m). The PXP system was developed for the full ocean depth in collaboration with a group at the Scripps Institution of Oceanography. We confirmed precise ranging up to a 15 km slant range with the PXPs. We obtained an accuracy of 2-3 cm for the sea-surface kinematic GPS positioning at a baseline length of 350 km. We have confirmed the anchor stability through visual inspection of PXPs deployed on thick sediment of the old Pacific Plate.

AB - Planning to make in situ observations of seismic coupling and motion of the Pacific Plate near the Japan Trench (about 200 km from the coast), we deployed three precision acoustic transponders (PXPs) in 2001 on both the Pacific plate (70 km from the trench axis at a depth of 5450 m) and the landward slope (70 km from the axis at a depth of 2800 m). The PXP system was developed for the full ocean depth in collaboration with a group at the Scripps Institution of Oceanography. We confirmed precise ranging up to a 15 km slant range with the PXPs. We obtained an accuracy of 2-3 cm for the sea-surface kinematic GPS positioning at a baseline length of 350 km. We have confirmed the anchor stability through visual inspection of PXPs deployed on thick sediment of the old Pacific Plate.

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T2 - Celabrating the Past... Teaming Toward the Future

Y2 - 22 September 2003 through 26 September 2003

ER -

GPS/acoustic seafloor positioning experiment in the subduction zone of the Japan trench

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