Research theme for competitive and other funds (20):
2023 - 2027 International collaborative research on the viscosity of the oceanic asthenosphere through marine geophysical observations and geodynamic modeling
2023 - 2026 Advanced modeling of 3-D compositional distribution in the Japan crust for geoneutrino flux prediction to constrain the bulk silicate Earth compositional model
2022 - 2026 プレート成長標準モデル:プレートテクトニクスからプレートダイナミクスへ
2021 - 2024 最古太平洋の全域探査で明かす「プレートテクトニクスの謎」
2018 - 2021 Reason for Soft Asthenosphere Revealed by Seismic Waves
2018 - 2021 国際連携による太平洋アレイ(1):最古の太平洋マントルの探査
2018 - 2021 地震波で明かすアセノスフェアが柔らかい理由
2015 - 2020 核-マントルの地震・電磁気観測
2010 - 2015 New phase of Ocean Hemisphere Project : Imaging the normal oceanic mantle by advanced ocean bottom observations
2013 - 2015 Fate of the Oceanic Crust Reveled by Stochastic Seismic Wave Tomography
2009 - 2011 Tomography of the Whole Earth Figures
2007 - 2011 NECESSArray Project-Earth dynamics viewed from the Chinese continent
2004 - 2008 High resolution seismic tomography of stagnant slabs
2005 - 2007 Anisotropic structure in detail using broadband seismic waveform data and waveform inersion
2004 - 2006 新世代地震計網データ解析手法開発による次世代内部構造モデル推定
2002 - 2004 Determination of discontinuous seismic structure using waveform inversion
2003 - 2003 地震学的内部構造推定によるマントル対流様式の制約
2000 - 2001 広帯域波形インバージョンによる3次元地震波速度構造及び減衰構造の同時推定
1999 - 2000 Probing the Lunar Interior using Lunar-A mission data
1998 - 1999 高精度波形インバージョンによる全地球3次元内部構造推定
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Papers (58):
HyeJeong Kim, Hitoshi Kawakatsu, Takeshi Akuhara, Nozomu Takeuchi. Characterizing the Seafloor Sediment Layer Using Teleseismic Body Waves Recorded by Ocean Bottom Seismometers. Journal of Geophysical Research: Solid Earth. 2023
Bin He, Yu Chen, David E Lumley, Qinya Liu, Nozomu Takeuchi, Hitoshi Kawakatsu, Hejun Zhu. Passive source reverse time migration based on the spectral element method. 2023
Hyunsun Kang, Young Hee Kim, Shu Huei Hung, Pei Ying Patty Lin, Takehi Isse, Hitoshi Kawakatsu, Sang Mook Lee, Hisashi Utada, Nozomu Takeuchi, Hajime Shiobara, et al. Seismic Velocity Structure of Upper Mantle Beneath the Oldest Pacific Seafloor: Insights From Finite-Frequency Tomography. Geochemistry, Geophysics, Geosystems. 2023. 24. 9
Yuki Kawano, Takehi Isse, Hitoshi Kawakatsu, Hajime Shiobara, Nozomu Takeuchi, Hiroko Sugioka, Younghee Kim, Hisashi Utada, Sang Mook Lee. Noise Reduction from Vertical-Component Seismograms Recorded by Broadband Ocean-Bottom Seismometers Deployed at the Western Pacific. Bulletin of the Seismological Society of America. 2023. 113. 4. 1759-1771
Haruka Nagai, Nozomu Takeuchi, Hitoshi Kawakatsu, Hajime Shiobara, Takehi Isse, Hiroko Sugioka, Aki Ito, Hisashi Utada. Inference of velocity structures of oceanic crust and upper mantle from surface waveform fitting. Geophysical Journal International. 2023. 233. 3. 1974-1986
榎本三四郎, 榎本三四郎, 上木賢太, 飯塚毅, 竹内希, 田中明子, 渡辺寛子, 原口悟. Element abundance modeling method with the gamma distribution for quantitative balance calculations. 日本地球惑星科学連合大会予稿集(Web). 2021. 2021. 17-29
永井はるか, 竹内希, 川勝均, 塩原肇, 一瀬建日, 杉岡裕子, 伊藤亜妃, 歌田久司. Surface wave fitting for Vs structure of the oceanic crust and upper mantle-Development of the initial model using shorter period waveforms-. 日本地震学会秋季大会講演予稿集(CD-ROM). 2021. 2021
川野由貴, 一瀬建日, 竹尾明子, 川勝均, 塩原肇, 竹内希, 杉岡裕子, KIM YoungHee, 歌田久司, LEE Sang-Mook. Seismic structure of the lithosphere-asthenosphere system beneath the oldest seafloor-the broadband dispersion analysis of the Oldest-1 (Pacific Array) data. 日本地震学会秋季大会講演予稿集(CD-ROM). 2020. 2020