Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Methods of Obtaining Topography01:25

Methods of Obtaining Topography

Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
Precipitation Gravimetry01:03

Precipitation Gravimetry

Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
Topographic Surveying and Contours01:29

Topographic Surveying and Contours

Topographic surveying is critical for documenting the Earth's surface, focusing on capturing elevations, slopes, and natural and man-made features. It is essential in construction planning, water resource management, and land-use analysis. The primary outcome of such surveys is a topographic map, which uses contour lines to visually represent the shape and slope of the terrain, providing valuable insights into the landscape's characteristics.Contour lines are fundamental to understanding the...

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Imaging deep-mantle plumbing beneath La Réunion and Comores hot spots: Vertical plume conduits and horizontal ponding zones.

Science advances·2023
Same author

Earth-shaking J. LEAGUE supporters.

Earth, planets, and space : EPS·2022
Same author

Global fast-traveling tsunamis driven by atmospheric Lamb waves on the 2022 Tonga eruption.

Science (New York, N.Y.)·2022
Same author

Atmospheric waves and global seismoacoustic observations of the January 2022 Hunga eruption, Tonga.

Science (New York, N.Y.)·2022
Same author

Two-step seismic noise reduction caused by COVID-19 induced reduction in social activity in metropolitan Tokyo, Japan.

Earth, planets, and space : EPS·2020
Same author

Determination of intrinsic attenuation in the oceanic lithosphere-asthenosphere system.

Science (New York, N.Y.)·2017
Same journal

Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

Science (New York, N.Y.)·2026
Same journal

Local signals, systemic decline.

Science (New York, N.Y.)·2026
Same journal

The mechanics of liver regeneration.

Science (New York, N.Y.)·2026
Same journal

Computing in a memory with physics.

Science (New York, N.Y.)·2026
Same journal

Retraction.

Science (New York, N.Y.)·2026
Same journal

Making time.

Science (New York, N.Y.)·2026
関連記事をすべて見る

関連する実験動画

Updated: Jun 19, 2026

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
07:58

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Published on: August 7, 2017

地震ヒュームを用いたグローバル表面波トモグラフィー.

Kiwamu Nishida1, Jean-Paul Montagner, Hitoshi Kawakatsu

  • 1Earthquake Research Institute (ERI), The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, Japan. knishida@eri.u-tokyo.ac.jp

Science (New York, N.Y.)
|October 3, 2009
PubMed
まとめ
この要約は機械生成です。

地震のうなり声,地球の背景の振動は,地震なしで上層マントルのトモグラフィーのための新しい方法を提供します. このテクニックは,3D S波の速度構造をマッピングし,惑星の内部探査を進めています.

さらに関連する動画

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography
12:18

Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography

Published on: October 21, 2018

関連する実験動画

Last Updated: Jun 19, 2026

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt
07:58

Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

Published on: August 7, 2017

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography
12:18

Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography

Published on: October 21, 2018

科学分野:

  • 地質物理学 地質物理学とは地質物理学です.
  • 地震学 地震学とは
  • 惑星科学は惑星科学である.

背景:

  • グローバル表面波トモグラフィーは,伝統的に大きな地震に頼って,地球の深い内部を調査しています.
  • 長期の地震波は深層地球探査に必要であり,以前は主要な地震によってのみ発生すると考えられていた.
  • 海洋/大気源からの地球の継続的な自由振動である地震のブームの発見は,代替的な地震波の源を提示します.

研究 の 目的:

  • 地震データから独立して,地震の音を用いた地球上上層マントルの地震トモグラフィーを開発し,発表する.
  • レイリー波の相速度異常を100秒から400秒間隔で測定する.
  • 上層マントルの3次元S波速度構造のためにこれらの異常を逆転させる.

主な方法:

  • 地震波の発生源として地震のうめきを活用した.
  • 54の地球規模に分布した地震ステーションのペア間のクロス相関関数をモデル化しました.
  • 3D S波の速度構造を導出するために,相速度異常の逆転を行った.

主要な成果:

  • グローバル上層マントルの地震性トモグラフィーを,地震性ヒューマニズムを用いて成功裏に生成しました.
  • レイリー波の相速度異常を長時間 (100−400秒) の範囲でマッピングした.
  • 上層マントルの詳細な3次元S波速度モデルを取得しました.

結論:

  • 地震のうなり声は,地球規模の地震トモグラフィーのために,地震の実行可能で新しい代替手段を提供します.
  • 開発された技術は,地質惑星の3次元内部構造の探査を可能にします.
  • この方法は,火星を含む大気および/または海洋を有する惑星に特に適用できます.