Electrical conductivity of old oceanic mantle in the northwestern Pacific I : 1-D profiles suggesting differences in thermal structure not predictable from a plate cooling model
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DOI[10.1186/s40623-017-0697-0]のデータに遷移します
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- 資料種別
- 記事
- 著者・編者
- Kiyoshi BabaNoriko TadaTetsuo Matsuno
- 出版年月日等
- 2017-08-15
- 出版年（W3CDTF）
- 2017-08-15
- タイトル（掲載誌）
- EPS : Earth, Planets and Space
- 巻号年月日等（掲載誌）
- 69(111)
- 掲載巻
- 69(111)
- 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/s40623-017-0697-0
- 国立国会図書館永続的識別子
- info:ndljp/pid/10953839
- 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）
- 2017-09-14T21:01:06+09:00
- 保存日（W3CDTF）
- 2017-09-12
- 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/10319651
- 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
- Seafloor magnetotelluric (MT) experiments were recently conducted in two areas of the northwestern Pacific to investigate the nature of the old oceanic upper mantle. The areas are far from any tectonic activity, and "normal" mantle structure is therefore expected. The data were carefully analyzed to reduce the effects of coastlines and seafloor topographic changes, which are significant boundaries in electrical conductivity and thus distort seafloor MT data. An isotropic, one-dimensional electrical conductivity profile was estimated for each area. The profiles were compared with those obtained from two previous study areas in the northwestern Pacific. Between the four profiles, significant differences were observed in the thickness of the resistive layer beyond expectations based on cooling of homogeneous oceanic lithosphere over time. This surprising feature is now further clarified from what was suggested in a previous study. To explain the observed spatial variation, dynamic processes must be introduced, such as influence of the plume associated with the formation of the Shatsky Rise, or spatially non-uniform, small-scale convection in the asthenosphere. There is significant room of further investigation to determine a reasonable and comprehensive interpretation of the lithosphere-asthenosphere system beneath the northwestern Pacific. The present results demonstrate that electrical conductivity provides key information for such investigation.
- DOI
- 10.1186/s40623-017-0697-0
- 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) 2017.This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
- 関連情報
- MOESM3 of Electrical conductivity of old oceanic mantle in the northwestern Pacific I: 1-D profiles suggesting differences in thermal structure not predictable from a plate cooling model
- 関連情報（URI）
- 参照
- A new miniaturized magnetometer system for long-term distributed observation on the seafloorProbing 1-D electrical anisotropy in the oceanic upper mantle from seafloor magnetotelluric array data2D resistivity model around the rupture area of the 2011 Tohoku-oki earthquake (Mw 9.0)A simple method to evaluate the uncertainty of magnetotelluric forward modeling for practical three-dimensional conductivity structure modelsAn efficient decoupled 3-D axial anisotropic resistivity inversion for magnetotelluric data with OpenMP parallelizationOcean bottom geophysical array studies may reveal the cause of seafloor flatteningSeismic Velocity Structure of Upper Mantle Beneath the Oldest Pacific Seafloor: Insights From Finite‐Frequency TomographyThe OJP array: seismological and electromagnetic observation on seafloor and islands in the Ontong Java PlateauValidity of the dispersion relations in magnetotellurics. Part II : synthetic and field data
- 参照
- Electrical conductivity anisotropy in partially molten peridotite under shear deformationOn the Berdichevsky averagePractical incorporation of local and regional topography in three-dimensional inversion of deep ocean magnetotelluric dataCarbon dioxide emission to Earth’s surface by deep-sea volcanismOceanic lithosphere-asthenosphere boundary from surface wave dispersion dataSubsidence of normal oceanic lithosphere, apparent thermal expansivity, and seafloor flatteningA new Mesozoic isochron chart of the northwestern Pacific Ocean: Paleomagnetic and tectonic implicationsGeophysical evidence from the MELT area for compositional controls on oceanic platesOccam's inversion; a practical algorithm for generating smooth models from electromagnetic sounding dataThree‐dimensional inversion of seafloor magnetotelluric data collected in the Philippine Sea and the western margin of the northwest Pacific OceanMantle transition zone beneath a normal seafloor in the northwestern Pacific: Electrical conductivity, seismic thickness, and water contentEstimating the electrical conductivity of the melt phase of a partially molten asthenosphere from seafloor magnetotelluric sounding dataGlobal Sea Floor Topography from Satellite Altimetry and Ship Depth SoundingsA model for the global variation in oceanic depth and heat flow with lithospheric ageConvection and the large-scale circulation of the mantleSeismic Evidence for Sharp Lithosphere-Asthenosphere Boundaries of Oceanic PlatesGeneric Mapping Tools: Improved Version ReleasedPartial melt in the oceanic low velocity zoneIs the electrical conductivity of the northwestern Pacific upper mantle normal?Seismic and Electrical Signatures of the Lithosphere–Asthenosphere System of the Normal Oceanic MantleAn analysis of the variation of ocean floor bathymetry and heat flow with ageGeodynamicsExperimental constraints on the electrical anisotropy of the lithosphere–asthenosphere systemOcean-floor magnetotelluric sounding over North Central PacificAge, spreading rates, and spreading asymmetry of the world's ocean crustControlled-source electromagnetic sounding of the oceanic lithosphereOcean bottom measurements of the Earth's electric field using long cable installed by ROVThe effect of water on the electrical conductivity of olivineRadially anisotropic shear velocity structure of the upper mantle globally and beneath North AmericaSq effect on the electromagnetic response functions in the period range between 104 and 105 sStructural variation of the oceanic Moho in the Pacific plate revealed by active-source seismic dataThe magnetotelluric phase tensorUpper mantle and crustal seismic structure beneath the Northwestern Pacific Basin using a seafloor borehole broadband seismometer and ocean bottom seismometersMultimode surface waveform tomography of the Pacific Ocean: a closer look at the lithospheric cooling signatureSmall-scale convection in a plume-fed low-viscosity layer beneath a moving plateHigh and highly anisotropic electrical conductivity of the asthenosphere due to hydrogen diffusion in olivineMagnetic lineations within Shatsky Rise, northwest Pacific Ocean: Implications for hot spot‐triple junction interaction and oceanic plateau formationVolcanism in Response to Plate FlexureElectrical structure beneath the northern MELT line on the East Pacific Rise at 15°45′SElectrical conductivity during incipient melting in the oceanic low-velocity zoneCorrection of seafloor magnetotelluric data for topographic effects during inversionBounded influence magnetotelluric response function estimationThe effect of water on the electrical conductivity of olivine aggregates and its implications for the electrical structure of the upper mantleMelt-rich channel observed at the lithosphere–asthenosphere boundaryToward a unified hydrous olivine electrical conductivity lawTrans-Pacific Bathymetry Survey crossing over the Pacific, Antarctic, and Nazca platesLong-term seafloor geomagnetic station in the northwest Pacific: A possible candidate for a seafloor geomagnetic observatoryElectrical conductivity imaging of the Philippine Sea upper mantle using seafloor magnetotelluric data
- 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CrossrefCiNii Articles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科学研究費助成事業データベースCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- 書誌ID（NDLBibID）
- 10953839
- NII論文ID
- 120006358589