2013年度 論文及び学会発表

<論文>

Suetsugu, D., and H. Shiobara, 2014. Broadband Ocean Bottom Seismology. Annual Review of Earth and Planetary Sciences, 42, 27-43, doi:10.1146/annurev-earth-060313-054818.

Utada, H, Baba, K., 2014. Estimating the electrical conductivity of the melt phase of a partially molten asthenosphere from seafloor magnetotelluric sounding data. Phys. Earth Planet. Inter., 227, 41-47, do:10.1016/j.pepi.2013.12.004.

Zhang, L.L., Utada, H., Shimizu, H., Baba, K., Maeda, T., 2014. Three-dimensional simulation of the electromagnetic fields induced by the 2011 Tohoku tsunami. J. Geophys. Res. (Solid Earth), 119, 150-168, doi:10.1002/2013JB010264.

Tasaka, M., Hiraga, T. and Michibayashi, K., 2014. Influence of mineral fraction on the rheological properties of forsterite + enstatite during grain size sensitive creep: 3 Application of grain growth and flow laws on peridotite ultramylonite1: Grain size and grain growth laws. J. Geophys. Res., 119, 840-857, DOI:10.1002/2013JB010619.

Sugioka, H., Y.Hamano, K. Baba, T. Kasaya, N. Tada, D. Suetsugu, 2014. Tsunami: Ocean dynamo generator. Scientific Reports, 4, 1-7, doi:10.1038/srep03596.

Baba, K, Utada, H., 2013. Is the electrical conductivity of the northwestern Pacific mantle normal? Geochem. Geophys. Gooses., 14, 4969-4979, doi: 10.1002/2013GC004997.

Song, T.-R. A., and H. Kawakatsu, 2013. Subduction of oceanic asthenosphere: A Critical Appraisal in Central Alaska. Earth and Planetary Science Letters, 367, 92-94.

Tonegawa, T., R. Iritani, and H. Kawakatsu, 2013. Extraction of Moho-generated phases from vertical and radial receiver functions of seismic array. Bull. Seismol. Soc. Am., 103, 2011-2024, doi:10.1785/0120120295.

Takeo, A., K. Nishida, T. Isse, H. Kawakatsu, H. Shiobara, H. Sugioka, and T. Kanazawa, 2013. Radially anisotropic structure beneath the Shikoku Basin from broadband surface wave analysis of ocean bottom seismometer records. J. Geophys. Res., 118, 41654, doi:10.1002/jgrb.50219.

Shito, A., D. Suetsugu, T. Furumura, H. Sugioka, and A. Ito, 2013. Small-scale heterogeneities in the oceanic lithosphere inferred from guided waves. Geophys. Res. Lett., 40, doi:10.1002/grl.50330.

Namiki, A., Sueyoshi, K. & Takeuchi, N., 2013. Can a sheet-like low-velocity region form an elongated Large Igneous Province? Geochem. Geophys. Geosys., 14, 3053-3066, doi:10.1002/ggge.20182.

Patro, P.K., Uyeshima, M. and Siripunvaraporn, W, 2013. Three-dimensional inversion of magnetotelluric phase tensor data. Geophysical Journal International, 192, 58-66.

Takei, Y. and R. F. Katz, 2013. Consequences of viscous anisotropy in a deforming, two-phase aggregate. Part 1. Governing equations and linearized analysis. Journal of Fluid Mechanics, 734, 424-455.

Katz, R.F. and Y. Takei, 2013. Consequences of viscous anisotropy in a deforming, two-phase aggregate. Part 2. Numerical solutions of the full equations. Journal of Fluid Mechanics,734, 456-485.

Tasaka, M. and Hiraga, T., 2013. Influence of mineral fraction on the rheological properties of forsterite + enstatite during grain size sensitive creep 1: Grain size and grain growth laws. J. Geophys. Res., 118, DOI:10.1002/jgrb.50285.

Tasaka, M., Hiraga, T. and Zimmerman, M.E., 2013. Influence of mineral fraction on the rheological properties of forsterite + enstatite during grain size sensitive creep 2: Deformation experiments. J. Geophys. Res., 118, DOI:10.1002/jgrb.50284.

Hiraga, T., Miyazaki, T. Yoshida, H. and Zimmerman, M.E., 2013. Comparison of microstructures in superplastically deformed synthetic materials and natural mylonites: Mineral aggregation via grain boundary sliding. Geology, 41, 959-962.

Miyazaki, T., Sueyoshi, K. and Hiraga T., 2013. Olivine crystals align during diffusion creep of Earth’s upper mantle. Nature, 502, 321-326.

Tanaka, S., 2013. One-dimensional modeling of multiple scattering in the upper inner core: Depth extent of a scattering region in the Eastern hemisphere. J. Earth Sci., 24, 706-715.

Idehara, K., Tanaka, S., Takeuchi, N., 2013. High-velocity anomaly adjacent to the western edge of the Pacific low-velocity province. Geophys. J. Int., 192, 1-6.

Obayashi, M., J. Yoshimitsu, G. Nolet, Y. Fukao, H. Shiobara, H. Sugioka, H. Miyamachi, and Y. Gao, 2013. Finite frequency whole mantle P wave tomography: Improvement of subducted slab images. Geophys. Res. Lett., 40, 5652-5657, doi:10.1002/2013GL057401.

Fukao Y. and M. Obayashi, 2013. Subducted slabs stagnant above, penetrating through, and trapped below the 660 km discontinuity. J. Geophys. Res. Solid Earth, 118, 5920-5938, doi:10.1002/2013JB010466.




2012年度 論文及び学会発表

<論文>

Takashi Tonegawa, Ryohei Iritani, Hitoshi Kawakatsu, Extraction of Moho-generated phases from vertical and radial receiver functions of a seismic array, Bulletin of the Seismological Society of America, 103(3), doi:10.1785/0129120295, 2013

Idehara, K., Tanaka, S. & Takeuchi, N., High-velocity anomaly adjacent to the western edge of the Pacific low-velocity province, Geophys. J. Int., 192, 1-6, 2013

Yamada, R., Garcia, R.F., Lognonne, P., Kobayashi, N., Takeuchi, N., Nebut, T., Shiraishi, H., Calvet, M. & Ganepain-Beyneix, J, On the Possibility of lunar core phase detection using new seismometers for soft-landers in future lunar missions, Planet. Space Sci., inpress, 2013

Kiyoshi Baba, Noriko Tada, Hisashi Utada, and Weerachai Siripunvaraporn, Practical incorporation of local and regional topography in three-dimensional inversion of deep ocean magnetotelluric data, Geophys. J. Int., in press, 2013.

Song, T.-R. A., and H. Kawakatsu, Subduction of oceanic asthenosphere: A Critical Appraisal in Central Alaska, Earth and Planetary Science Letters, 367, 82-94, 2013

Song, T.-R. A., and H. Kawakatsu, Subduction of oceanic asthenosphere: evidence from sub-slab seismic anisotropy, Geophy. Res. Lett., 39, L17301, 2012

Kawakatsu, H., At the bottom of the oceanic plate (Perspective), Science, 335, 1448-1449, 2012

Nagaoka, Y., K. Nishida, Y. Aoki, M. Takeo, and T. Ohminato, Seismic imaging of magma chamber beneath an active volcano, Earth and Planetary Science Letters, 333-334, 1-8, 2012

Kiwamu Nishida and Katsuhiko Shiomi, Enigmatic very low-frequency tremors beneath the Shonai plain in northeastern Japan, J. Geophy. Res., 117, doi:10.1029/2012JB009258, 2012

Takashi Tonegawa, Yoshio Fukao, Kiwamu Nishida, Hiroko Sugioka, and Aki Ito, A temporal change of shear wave anisotropy within the marine sedimentary layer associated with the 2011 Tohoku-Oki earthquake, J. Geophy. Res., in press, 2013

Kiwamu Nishida, Earth's background free oscillations, Ann. Rev. Earth Planet. Sci., 41, doi:10.1146/annurev-earth-050212-124020, 2013

Kiwamu Nishida, Global propagation of body waves revealed by cross-correlation analysis of seismic hum, GRL, doi:10.1002/grl.50269, 2013

Noriko Tada, Kiyoshi Baba, Weerachai Siripunvaraporn, Makoto Uyeshima, and Hisashi Utada, Approximate treatment of seafloor topographic effects in three-dimensional marine magnetotelluric inversion, Earth, Planets and Space, 64, 1005-1021, 2012

Suetsugu, D., T. Hanyu, Origin of hotspots in the South Pacific: Recent advances in seismological and geochemical models, Geochemical Journal, in press, 2013

Shito, A., D. Suetsugu, T. Furumura, H. Sugioka, A. Ito, Small-scale heterogeneities in the oceanic lithosphere inferred from guided waves, Geophysical Research Letters, in press, 2013

D. Suetsugu, H. Shiobara, H. Sugioka, A. Ito, T. Isse, T. Kasaya, N. Tada, K. Baba, N. ABE, Y. Hamano, P. Tarits, J.-P. Barriot, D. Reymond, TIARES Project -Tomographic investigation by seafloor array experiment for the Society hotspot, Earth Planets Space, 64, 1-4, 2012

Ito A., H. Sugioka, D. Suetsugu, H. Shiobara, T. Kanazawa, Y. Fukao, Detection of small earthquakes along the Pacific-Antarctic Ridge from T-waves recorded by abyssal ocean-bottom observatories, Marine Geophysical Research, DOI 10.1007/s11001-012-9158-0, 2012

M. Morishige and S. Honda, Mantle flow and deformation of subducting slab at a plate junktion, Earth and Planetary Science Letters, 365, 132-142, 2013

A. Ismail-Zadeh, S. Honda, and I. Tsepelev, Linking mantle upwelling with the lithosphere descent and the Japan Sea evolution, Scientific Reports, 3, 1-7, 2013

M. Hata, N. Oshiman, R. Yoshimura, Y. Tanaka and M. Uyeshima, Fluid upwelling beneath arc volcanoes above the subducting Philippine Sea Plate: Evidence from regional electrical resistivity structure, J. Geophys. Res., VOL. 117, B07203, doi:10.1029/2011JB009109, 2012

P.K. Patro, M. Uyeshima and W. Siripunvaraporn, Three-dimensional inversion of magnetotelluric phase tensor data, Geophysical Journal International, 192, 58?66, 2013.

Tasaka M., Hiraga, T., Influence of mineral fraction on the rheological properties of forsterite + enstatite during grain size sensitive creep 2: Deformation experiment, J. Geophys. Res, in press, 2013

平賀岳彦、渡部泰史、宮崎智詞, 粒間流体の実態, 地球化学, 46, 231-242, 2012

Tanaka, S., Depth extent of hemispherical inner core from PKP(DF) and PKP(Cdiff) for equatorial paths, Phys. Earth Planet. Inter., 210-211, 50-62, 2012

H. Shiobara, T. Kanazawa and T. Isse, New Step for Broadband Seismic Observation on the Sea Floor: BBOBS-NX, IEEE-JOE,doi: 10.1109/JOE.2012.2222792, 2012

Sugioka, H., Okamoto, T., Nakamura, T., Ishihara, Y., Ito, A., Obana, K., Kinoshita, M., Nakahigashi, K., Shinohara, M., Fukao, Y., Tsunamigenic potential of the shallow subduction plate boundary inferred from slow seismic slip, Nature Geoscience, 5, 414-418, 2012

Zhang, L.L., Koyama, T., Utada, H., Yu, P., Wang, J., A regularized three-dimensional magnetotelluric inversion with a minimum gradient support constraint, Geophys. J. Int., 189, 296-316, 2012



<学会発表>

竹内 希, 川勝 均, 田中 聡, 大林政行, 入谷良平, 宮川幸治, 出原光暉, 利根川貴志, NECCESSArrayデータとグローバルカタログデータのジョイントトモグラフィー法, 日本地球惑星科学連合大会, 千葉, 2012

西田究, 藤亜希子, 高橋成実, 利根川貴志, 深尾 良夫, 地震波干渉法による DONET 観測データの解析, 日本地球惑星科学連合大会, 千葉, 2012

一瀬建日・塩原肇・末次大輔・杉岡裕子, 海底及び陸上広帯域地震観測によって明らかになったフィリピン海と南太平洋地域の3次元S波上部マントル速度構造 (招待講演), 日本地球惑星科学連合大会, 千葉, 2012

竹尾明子・西田究・一瀬建日・川勝均・塩原肇・杉岡裕子・末次大輔・伊藤亜妃・金沢敏彦, 海底地震計記録の干渉法解析による異方性の推定, 日本地球惑星科学連合大会, 千葉, 2012

Kiyoshi Baba, Noriko Tada, Hisashi Utada, and Weerachai Siripunvaraporn, Practical incorporation of topography in three-dimensional inversion of marine magnetotelluric data, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012

E. Tursack, R. L. Evans, D. Lizarralde, J. Collins, J. Elsenbeck, G. Hirth, J. Gaherty, A. Pommier, K. Baba, and T. Matsuno, Electromagnetic constraints on the structure of the oceanic upper mantle: Consistencies and inconsistencies with other observations, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012

Noriko Tada, Kiyoshi Baba, Hisashi Utada, Three-dimensional electrical conductivity structure of the Philippine Sea upper mantle using marine magnetotelluric data, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012

M. Uyeshima, S. Yamaguchi, H. Murakami, T. Tanbo, R. Yoshimura, H. Ichihara and K. Omura, On the Network-MT survey in the vicinity of the 1891 Noubi Earthquake seismic fault, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012

M. Hata, N. Oshiman, R. Yoshimura, Y. Tanaka and M. Uyeshima, 3D Electrical Resistivity Imaging of Slab-derived Fluids and Partial Melting involving Arc Volcano Formation by the Network-MT Data, 21st International Workshop on Electromagnetic Induction of the Earth, Darwin, Australia, 2012

Tanaka S, Analysis of PKP(DF) and PKP(Cdiff) for equatorial paths: Depth extent of hemispherical inner core (招待講演), The International Workshop on Core Dynamics, Wuhan, China, 2012

Tanaka S., P-wave velocity structure in the lowermost 600 km of the mantle beneath Western Pacific inferred from travel times and amplitudes observed with NECESSArray, II, NECESSArray Workshop, 東京, 2012

Tanaka S., Frequency dependent amplitude ratio of PKiKP/PcP observed at the Hinet array: Possible detection of a thin liquid layer above the inner core boundary, SEDI 2012, Leeds, UK, 2012

馬場聖至, 阿部なつ江, 平野直人, 市來雅啓, 北西太平洋プチスポット周辺海域の3次元上部マントル電気伝導度構造, 第132回地球電磁気・地球惑星圏学会講演会, 札幌, 2012

Zhang, L.L., Utada, H., Shimizu, H., Baba, K., Simulation of the tsunami-induced electromagnetic fields, 第132回地球電磁気・地球惑星圏学会講演会, 札幌, 2012

西田究, 汐見勝彦, 広帯域地震計で観測された捻れモードの常時励起, 日本地震学会秋季大会, 函館, 2012

末次大輔, 志藤あずさ, 遠地実体波を用いたオントンジャワ海台下の上部マントル減衰構造の推定, 2012年日本地震学会秋季大会, 函館, 2012

志藤あずさ、末次大輔、古村孝志、杉岡 裕子、伊藤 亜妃, 海洋リソスフェアの地震学的構造, 2012年日本地震学会秋季大会, 函館, 2012

竹内 希, NECESSArrayプロジェクトチーム, ScS多重反射波のトモグラフィー解析による不連続面のマッピング, 日本地震学会, 函館, 2012

Tanaka S, Tkalcic H, Hinetで観測されたPKiKP/PcP振幅比の周波数依存性, 日本地震学会2012年秋季大会, 函館, 2012

塩原肇・篠原雅尚・一瀬建日・中東和夫, 広帯域海底地震計を基にした測地学的観測への取り組み , 日本地震学会2012年秋季大会, 函館, 2012

竹尾明子・D. Forsyth・西田究・一瀬建日・川勝均・塩原肇・末次大輔・杉岡裕子・伊藤亜妃・D. Weeraratne・金沢敏彦, 海底地震計記録の地震波干渉法解析によるマントル最上部の異方性推定, 日本地震学会2012年秋季大会, 函館, 2012

Tanaka S, Tkalcic H, Hinetで観測されたPKiKP/PcP振幅比の周波数依存性, 日本地震学会2012年秋季大会, 函館, 2012

Hiraga, T., Miyazaki, T., Tasaka, M., Sueyoshi, K., Nakakoji, T., Koizumi, S. Yoshida, H., Atmospheric pressure creep experiments using highly dense fine-grained mineral aggregates, AGU2012, San Francisco, 2012

Tanaka S, Tkalcic H, A new probe of the inner core boundary: Frequency dependent amplitude ratio of PKiKP/PcP observed at the Hinet array(招待講演), AGU2012, San Francisco, 2012

H. Shiobara, H. Sugioka, T. Isse, A. Ito, A. Takeo and H. Utada, The first practical observation of the BBOBS-NX in the Normal Oceanic Mantle project, AGU2012, San Francisco, 2012

Azusa Shito, Daisuke Suetsugu, Takashi Furumura, Hiroko Sugioka, and Aki Ito, Seismic structure of the oceanic lithosphere inferred from guided wave, AGU2012, San Francisco, 2012

Y. Takei, F. Karasawa, Experimental study on anelasticty of polycrystalline material for seismological application (招待講演), AGU2012, San Francisco, 2012

Y. Takei, R. Katz, Consequences of viscous anisotropy for melt localization in a deforming, two-phase aggregate(招待講演), AGU2012, San Francisco, 2012

竹尾明子・D. Forsyth・西田究・一瀬建日・川勝均・塩原肇・末次大輔・杉岡裕子・伊藤亜妃・D. Weeraratne・金沢敏彦, Uppermost mantle anisotropy beneath south an northwest Pacific by ambient noise interferomerty analysis of OBS records , AGU2012, San Francisco, 2012

Hisashi Utada,Luolei Zhang, Hisayoshi Shimizu, Kiyoshi Baba, Takuto Maeda, Three-dimensional forward calculation of the electromagnetic fields induced by tsunamis, AGU2012, San Francisco, 2012

一瀬建日・歌田久司・塩原肇・竹尾明子・川勝均・杉岡裕子・伊藤亜妃・末次大輔, 「普通の海洋マントル」プロジェクトのパイロット観測によるマントルの地震学的構造:序報, Blue Earth 2013, 東京, 2013

馬場聖至, 歌田久司, 多田訓子, ふつうの海洋マントルの電気伝導度(序報), Blue Earth 2013, 東京, 2013



<図書>

Shinohara, M., K. Suyehiro, and H. Shiobara, IASPEI, New manual of seismological observatory practice revised version, Chapter 7.5, Marine seismic observation, 2012




2011年度 論文及び学会発表

<論文>

Shinbori, A., Nishimura, Y., Tsuji, Y., Kikuchi, T., Araki, T., Ikeda A., Uozumi, T., Otadoy, R.E.S., Utada, H., Ishitsuka, J., Trivedi, N.B., Dutra, S.L.G., Schuch, N.J., Watari, S., Nagatsuma, T., and Yumoto, K.. Anomalous occurrence features of the preliminary impulse of geomagnetic sudden commencement in the South Atlantic Anomaly region, J. Geophys. Res., 115, Article Number A08309, 2010.

Utada, H., Shimizu, H., Ogawa, T., Maeda, T., Furumura, T., Yamamoto, T., Yamazaki, N., Yoshitake, Y., & Nagamachi, S., Geomagnetic field changes in response to the 2011 Off the Pacific Coast of Tohoku Earthquake and Tsunami, Earth Planet. Sci. Lett., 311, 11-27, doi:10.1016/j.epsl.2011.09.036, 2011.

Zhang, L.L., Koyama, T., Utada, H., Yu, P., Wang, J., A regularized three-dimensional magnetotelluric inversion with a minimum gradient constraint, Geophys. J. Int., 189, 296-316, 2012.

Takeuchi, N., 2012. Detection of ridge-like structures in the Pacific Large Low-Shear-Velocity Province, Earth Planet. Sci. Lett., 319-320, Feb 2012 55-64.

Tonegawa, T. and G. Helffrich, Basal reflector under the Philippine Sea Plate, Geophys. J. Int., 189, 659-668, 2012.

Kawakatsu, H. (2012), At the bottom of the oceanic plate (Perspective), Science, 335, 1448-1449..

Kumar, P., H. Kawakatsu, M. Shinahara, Kanazawa, Araki, K. Suyehiro (2011), P and S-receiver function analysis of seafloor borehole broadband seismic data, JGR, 116, B12308, doi:10.1029/2011JB008506.

Becker, T., and H. Kawakatsu (2011), On the role of anisotropic viscosity for plate-scale flow, Geophy. Res. Lett., 38, L17307, doi:10.1029/2011GL048584.

Erica L. Emry, Douglas A. Wiens, Hajime Shiobara, Hiroko Sugioka, Seismogenic characteristics of the Northern Mariana shallow thrust zone from local array data, Geochem. Geophys. Geosys. 12, Q12008 25PP, 2011.

Mark K. Prior, Oscar Meless, Paulina Bittner, and Hiroko Sugioka, Long-Range Detection and Location of Shallow Underwater Explosions Using Deep-Sound-Channel Hydrophones, IEEE Journal of Oceanic Engineering 36(4), 703-715, 2011.

Daisuke Suetsugu, Hajime Shiobara, Hiroko Sugioka, Aki Ito, Takehi Isse, Takafumi Kasaya, Noriko Tada, Kiyoshi Baba, Natsue Abe, Yozo Hamano, Pascal Tarits, Jean-Pierre Barriot, and Dominique Reymond, TIARES project -Tomographic investigation by seafloor array experiment for the Society hotspot, Earth Planets Space, 2012, in press.

Hiroko Sugioka, Taro Okamoto , Takeshi Nakamura , Yasushi Ishihara , Aki Ito , Koichiro Obana , Masa Kinoshita , Kazuo Nakahigashi , Masanao Shinohara, Yoshio Fukao, Tsunamigenic potential of the shallow subduction plate boundary inferred from slow seismic slip, Nature Geoscience, in press, 2012.

Morishige, M., and S. Honda (2011), Three-dimensional structure of P-wave anisotropy in the presence of small-scale convection in the mantle wedge, Geochem. Geophys. Geosyst., 12, Q12010, doi:10.1029/2011GC003866.

Y. Takei, K. Fujisawa, C. McCarthy, Experimental study of attenuation and dispersion over a broad frequency range: The apparatus, JGR, 116, B09204, doi:10.1029/2011JB008382, 2011

C. McCarthy, Y. Takei, T. Hiraga, Experimental study of attenuation and dispersion over a broad frequency range: The universal scaling of polycrystalline materials, JGR, 116, B09207, doi:10.1029/2011JB008384, 2011

C. McCarthy, Y. Takei, Anelasticity and viscosity of partially molten rock analogue: Toward seismic detection of small quantities of melt, Geophys. Res. Lett. 38, L18306, doi:10.1029/2011GL048776, 2011

馬場聖至 (2012), 高速拡大中央海嶺下の電気伝導度構造とマントルダイナミク ス, 月刊地球, 34, 4, 231?235.

H. Ichihara, M. Uyeshima, S. Sakanaka, T. Ogawa, M. Mishina, Y. Ogawa, T. Nishitani, Y. Yamaya, A. Watanabe, Y. Morita, R. Yoshimura and Y. Usui, A fault-zone conductor beneath a compressional inversion zone, northeastern Honshu, Japan, Geophys. Res. Lett., 38, L09301, doi:10.1029/2011GL047382, 2011.

N. Tada, K. Baba, W. Siripunvaraporn, M. Uyeshima and H. Utada, Approximate treatment of seafloor topographic effects in three-dimensional marine magnetotelluric inversion, Earth Planets Space, in press.



<学会発表>

Utada, H., Baba, K., A discussion on the cause of high electrical conductivity in the oceanic upper mantle, JpGU spring meeting, Makuhari, 2011 (invited).

歌田久司、清水久芳、小河勉、山本哲也、山﨑伸行、吉武由紀、長町信吾. 2011年東北地方太平洋沖地震および津波に伴う地磁気変化,地球電磁気・地球惑星圏学会130回総会,神戸市,2011 (Invited).

H. Shiobara, H. Utada, K. Baba, T. Isse, M. Shinohara and T. Kanazawa, Recent developments of ocean bottom seismic and electromagnetic instruments operated by ROV, UT11&SSC11 Joint Symposium, Tokyo, 2011.

N. Takeuchi, H. Kawakatsu, S. Tanaka, J. Chen, J. Ning, S. Grand, F. Niu, M. Obayashi, R. Iritani, K. Miyakawa, K. Idehara, T. Tonegawa, and NECESSArray Project Team, Upper-mantle tomography with array analysis of triplicated P-arrivals observed by NECESSArray, AGU Fall Meeting, 米国, 2011年12月7日.

N. Takeuchi, Seismic structure of the western Pacific regions, Workshop on ``New Horizons in the Earth Sciences: Deep Earth and Geodynamics'' in Todai Forum, Lyon, France, 2011年10月20日. 竹内 希, 川勝 均, 田中 聡, 大林政行, 入谷良平, 宮川幸治, 出原光暉, 利根川貴志,NECESSArray プロジェクトチーム. NECESSArrayトリプリケーションデータを用いた上部マントルP波走時トモグラフィー, 日本地震学会, 静岡, 2011年10月12日.

Tonegawa, T. and G. Helffrich, Basal reflector under the Philippine Sea Plate, AGU fall meeting 2012 abstract, T31A-2325, 2012.

Obayashi M, Kawakatsu H, Tanaka S, Chen Y J, Ning J, Grand Sm P, Niu F, Miyakawa K, Idehara K, Tonegawa T, Iritani R、P-wave tomography of Northeastern China observed with NECESSArray、AGU2011、2011/12/6

Obayashi M, Kawakatsu H, Tanaka S, Chen Y J, Ning J, Grand Sm P, Niu F, Miyakawa K, Idehara K, Tonegawa T, Iritani R、Seismic evidence for upwelling of asthenosphere beneath Northeast China from S wave tomography、AGU2011、2011/12/6

志藤 あずさ, ガイド波をもちいた海洋リソスフェアの構造の解明, JTABS第三回ワークショップ, 2011/11/26

末次 大輔,塩原 肇,杉岡 裕子,伊藤 亜妃,一瀬 建日,馬場 聖至,笠谷 貴史,多田 訓子,阿部 なつ江、ソサエティーホットスポット(仏領ポリネシア)付近での海底地球物理観測、2011年地球惑星科学連合大会、2011/5/25

末次 大輔、マントル遷移層の地震学的構造、2011年地球惑星科学連合大会、2011/5/23

杉岡 裕子,岡元 太郎,中村 武史,石原 靖,伊藤 亜妃,尾鼻 浩一郎,木下 正高,深尾 良夫、南海トラフデコルマ面で発生した超低周波地震、日本地球惑星科学連合大会、2011/5/22

Noriko Tada, Kiyoshi Baba, Hisashi Utada, Weerachai Siripunvaraporn, Makoto Uyeshima、Importance of treating seafloor topography in inversion of 3-D marine MT data、EGU General Assembly 2011、2011/4/3

多田 訓子,木戸 元之,島 伸和, Development of a 3-Dimensional Forward Program for Magnetometric Resistivity (MMR) Method: Application to Alice Springs Field in the Central Mariana Trough, Workshop on Ocean Mantle Dynamics: from Spreading Center to Subduction Zone, 2011/10/5

多田 訓子,馬場 聖至,歌田 久司, 海底地形効果の3 次元海底MTインバージョンへの組込み, 日本地球惑星科学連合2011年度連合大会, 2011/5/26

多田 訓子,笠谷 貴史,馬場 聖至,浜野 洋三,阿部 なつ江,末次 大輔, ソサエティー・ホットスポットの海底アレイ観測によるトモグラフィー研究(TIARES)計画:海底電磁気観測の速報, 第130回 地球電磁気・地球惑星圏学会 総会および講演会, 2011/11/5

田中 聡,川勝 均,大林 政行,宮川 幸治,出原 光暉,利根川 貴志,入谷 良平,NECESSArrayプロジェクトチーム, NECESSArrayで観測されたケルマデック地域地震のP波振幅変化, 日本地震学会2011年度秋季大会, 2011/10/12

田中 聡, Depth Variation of Inner Core Hemisphericity from PKP(DF) and PKP(Cdiff): P-Wave Velocity and Attenuation Structures for Equatorial Paths, IUGG、2011, 2011/7/2

田中 聡,末次 大輔, 地震学的解析に基づくフレンチ・ポリネシアにおけるホットスポット群の起源, 日本火山学会2011年度秋季大会, 2011/10/2

田中 聡、Depth Variation of Inner Core Hemisphericity from PKP(DF) and PKP(Cdiff): P-Wave Velocity and Attenuation 日本地球惑星科学連合2011年、2011/5/26

S Tanaka,H Kawakatsu,Y Chen,J Ning,S Grand,F Niu,M Obayashi,K Miyakawa,K Idehara,T Tonegawa,R Iritani、P-wave Velocity Structure in the Lowermost 600 km of the Mantle beneath Western Pacific Inferred from Travel Times and Amplitudes Observed with NECESSArray、AGU2011、2011/12/6

一瀬建日・塩原 肇・杉岡裕子・伊藤亜妃・末次大輔、表面波を用いた南太平洋大海膨の上部マントル 3 次元 S 波速度構造、C11?04、日本地震学会2011年度秋季大会,静岡、2011/10/12

Takehi Isse, Hajime Shiobara, J.-P., Montagner, Hiroko Sugioka, Aki Ito, Azusa Shito, Toshihiko Kanazawa, Kazunori Yoshizawa, Anisotropic structures of the upper mantle beneath the northern Philippine Sea region from Rayleigh and Love wave tomography, Abstract DI41A-2065 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.

Y. Takei and C. McCarthy ,Effect of partial melting on seismic wave velocities and attenuation, IUGG 2011 30 June, Melbourne, Australia

C. McCarthy and Y. Takei, Attenuation and dispersion in melt-free and melt-bearing Earth analogue materials, IUGG 2011 30 June, Melbourne, Australia

Evans, R. L., D. Lizarralde, J. A. Collins, J. Elsenbeck, E. Tursack, G. Hirth, J. B. Gaherty, A. Pommier, K. Baba, and T. Matsuno (2011), Electromagnetic constraints on the struture of the oceanic upper-mantle: Consistencies and inconsistencies with other observations, AGU 2011 fall meeting, (San Francisco, USA), Dec. 05 ? 09 (Dec. 07), DI34B-03, (invited).

Baba, K. and H. Utada (2011), Variation in electrical conductivity of oceanic upper mantle with the lithospheric age, Workshop on “Ocean Mantle Dynamics: from Spreading Center to Subduction Zone”, (Chiba, Japan), Oct. 04 ? 06, (Oct. 04), O-05.

Baba, K. and N. Abe (2011), Marine magnetotelluric study on petit-spot volanism in northwestern Pacific, 8th annual meeting AOGS 2011, (Taipei, Taiwan), Aug. 08 ? 12 (Aug. 09), SE93-A002, (invited).

馬場聖至, 歌田久司, 後藤忠徳, 笠谷貴史, 清水久芳, 多田訓子 (2012), フィリピン海および太平洋西縁下の上部マントル電気伝導度構造, Blue Earth '12 (東京, 東京海洋大学), 2月22~23日, BE12-P87.

馬場聖至, A. D. Chave, R. L. Evans, P. Tarits, G. Hirth, R. L. Mackie (2011), 高速拡大中央海嶺下の電気伝導度構造, 日本地質学会第118年学術大会・日本鉱物科学会2011年年会合同学術大会(茨城, 茨城大学), 9月9~12日 (9月9日), T8-12, (招待講演).




2010年度 論文及び学会発表

<論文>

Iritani, R., Takeuchi, N. & Kawakatsu, H., 2010. Seismic attenuation structure of the top half of the inner core beneath the northeastern Pacific, Geophys. Res. Lett., 37, L19303, doi:10.1029/2010GL044053.

Takeuchi, N. & Obara, K., 2010. Fine-scale topography of the D" discontinuity and its correlation to volumetric velocity fluctuations, Phys. Earth Planet. Int., 183, 126-135.

Baba, K., H. Utada, T. Goto, T. Kasaya, H. Shimizu, and N. Tada, Electrical conductivity imaging of the Philippine Sea upper mantle using seafloor magnetotelluric data, Phys. Earth Planet. Int., 183, 44--62, doi:10.1016/j.pepi.2010.09.010, 2010.

Shimizu, H., H. Utada, K. Baba, T. Koyama, M. Obayashi, & Y. Fukao (2010), Three-dimensional imaging of electrical conductivity in the mantle transition zone beneath the North Pacific Ocean by a semi-global induction study, Phys. Earth Planet. Int., 183, 252--269, doi:10.1016/j.pepi.2010.01.010.

Matsuno, T., N. Seama, R. L. Evans, A. D. Chave, K. Baba, A. White, T. Goto, G. Heinson, G. Boren, A. Yoneda, and H. Utada, Upper mantle electrical resistivity structure beneath the central Mariana subduction system, Geochem. Geophys. Geosyst., 11, Q09003, doi:10.1029/2010GC003101, 2010.

Shimizu, H., T. Koyama, K. Baba, & H. Utada (2010), Revised 1-D mantle electrical conductivity structure beneath the north Pacific, Geophys. J. Int., 180, 1030--1048, doi:10.1111/j.1365-246X.2009.04466.x.

Kuvshinov, A.H. and Utada, H., Anomaly of the geomagnetic Sq variation in Japan: effect from 3-D subterranean structure or the ocean effect ?, Geophys. J. Int., 183, 1239-1247, 2010.

Morishige, M., Honda, S., Tackley, P. J., Construction of semi-dynamic model of subduction zone with given plate kinematics in 3D sphere, Earth, Planets and Space, 62, 665-673, 2010

Adam, C., M. Yoshida, T. Isse, D. Suetsugu, Y. Fukao, and G. Barruol, South Pacific hotspot swells dynamically supported by mantle flows, Geophys. Res. Lett., 37, L08302, doi:10.1029/2010GL042534, 2010.

Suetsugu, D., T. Inoue, M. Obayashi, A. Yamada, H. Shiobara, H. Sugioka, A. Ito, T. Kanazawa, H. Kawakatsu, A. Shito, Y. Fukao, Depths of the 410-km and 660-km discontinuities in and around the stagnant slab beneath the Philippine Sea: Is water stored in the stagnant slab?, Phys. Earth Planet. Inter. 2010, 270-279.

Gao, Y., D. Suetsugu, Y. Fukao, M. Obayashi, Y. Shi, R. Liu, Seismic discontinuities in the mantle transition zone and at the top of the lower mantle beneath eastern China and Korea: Influence of the stagnant Pacific slab, Phys. Earth Planet. Inter., 2010, 288-295.

Sugioka, H., D. Suetsugu, M. Obayashi, Y. Fukao, Y. Gao, Fast P and S wave velocities associated with the “cold” stagnant slab beneath the northern Philippine Sea, Phys. Earth Planet. Inter., 179, 1-6, 2010.

Obana, K., S. Kamiya, S. Kodaira, D. Suetsugu, N. Takahashi, T. Takahashi, Y. Tamura, Along-arc variation in seismic velocity structure related to variable growth of arc crust in northern Izu-Bonin intraoceanic arc, Geochem. Geophys. Geosyst., 11, Q08012, doi:10.1029/2010GC003146- 2010.

Takahashi, T, K. Obana, S. Kodaira, D. Suetsugu, N. Takahashi, S. Kamiya and Y. Tamura, Random inhomogeneities in the northern Izu-Bonin arc estimated by tomographic inversion of peak delay times of S-wave seismograms, J. Geophys. Res., 2010, in press.

Kumar, P., and H. Kawakatsu (2011), Imaging the seismic Lithosphere-Asthenosphere Boundary of the oceanic plate, G-cubed, 12,Q01006, 1-13.

Tanaka, S., Constraints on the core-mantle boundary topography from P4KP-PcP differential travel times, J. Geophys. Res., 115, B04310, DOI:10.1029/2009JB006563.

Sugioka, H., D. Suetsugu, M. Obayashi, Y. Fukao, Y. Gao, Fast P and S wave velocities associated with the “cold” stagnant slab beneath the northern Philippine Sea, Phys. Earth Planet. Inter., 179, 1-6, 2010.

Sugioka, H., Y. Fukao, T. Kanazawa, Evidence for infragravity wave-tide resonance in deep oceans, Nature communications, 1, doi:10.1038/ncomms1083.

Shiobara, H., H. Sugioka, K. Mochizuki, S. Oki, T. Kanazawa, Y. Fukao, K. Suyehiro, Double seismic zone in the North Mariana region revealed by long-term ocean bottom array observation, Geophys. J. Int., DOI: 10.1111/j.1365-246X.2010.04799.x.

Takeo A., K., Idehara R., Iritani, T., Tonegawa, Y., Nagaoka, K., Nishida, H., Kawakatsu, S., Tanaka, K., Miyakawa, T., Iidaka, M., Obayashi, H., Tsuruoka, K., Shiomi, K., Obara, Very broadband analysis of a swarm of very low frequency earthquakes and tremors beneath Kii Peninsula, SW Japan, Geophys. Res. Lett, 37, L06311, doi:10.1029/2010GL042586.

Mibe, K., 他1名,Electrical conductivity of MgCO3 at high pressures and high temperatures, Physica B,406, 10, 2011,2018-2020

Mibe, K., 他4名, Slab melting versus slab dehydration in subduction-zone magmatism, Proc. Natl. Acad. Sci. USA, 2011, in press



<学会発表>

竹内 希. 太平洋下最下部マントルの微細全体像, 日本地震学会, 広島国際会議場, 2010年10月27日.

Nozomu Takeuchi & Kazushige Obara, Fine-scale heterogeneities of the D" discontinuity and their correlation to volumetric velocity fluctuations, 2010 IRIS Workshop, Snowbird Resort, Jun 9-11, 2010.

竹内 希, 塩原 肇, 一瀬 建日, 杉岡 裕子, 金沢 敏彦. 広帯域海底地震計データから示唆される下部マントルの急激なS波速度勾配 (invited), 日本地球惑星科学連合大会, 幕張メッセ, 2010年5月26日.

Utada, H., H. Shimizu, K. Baba, N. A. Palshin, Sq effect on the regional electromagnetic response functions in the period band between a few hours and one day, AGU Fall Meeting, San Francisco, 2010.

歌田久司・馬場聖至・多田訓子, ROVで設置するタイプの地球電場観測装置, 地球電磁気・地球惑星圏学会第128回総会, 那覇市, 2010.

Pankratov O., Kuvshinov A., Utada, H., Efficient calculating the sensitivity matrix, 地球電磁気・地球惑星圏学会第128回総会, 那覇市, 2010.

Utada, H., K. Baba and H. Shimizu, Electrical conductivity imaging in the western Pacific subduction zone, EGU General Assembly, Vienna, 2010.

Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, H. Utada, Imaging and Understanding the Electrical Conductivity of Earth's Mantle; Lab Measurements, Regional and Global Studies, and Physical Interpretations, 2010 AGU Fall Meeting

Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, H. Utada, A three-dimensional inversion of marine magnetotelluric data: Extended version of WSINV3DMT, The 20th International Workshop on EM Induction in The Earth

Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, H. Utada, Imaging of continent and ocean using EM induction studies, Japan Geoscience Union Meeting 2010

Tada, N., K. Baba, W. Siripunvaraporn, M. Uyeshima, H. Utada, A three-dimensional inversion of marine magnetotelluric data: Extended version of WSINV3DMT, the 128th Society of Geomagnetism and Earth,Planetary and Space Sciences, 2010.

伊藤 亜妃, 杉岡 裕子, 尾鼻 浩一郎, 末次 大輔, 小平 秀一, 荒木 英一郎, 石原 靖, 木下 正高, 金田 義行, 深尾 良夫、広帯域地震計による熊野沖超低周波イベント近傍観測、2010.10.27.

Obayashi, M., Y. Fukao, J. Yoshimitsu, D. Suetsugu, H. Shiobara, H. Sugioka, A. Ito, T. Isse, A. Shito, H. Kawakatsu, M. Kasahara, M. Ichiyaagi, H. Miyamachi, T. Kanazawa, Y. Gao, Transition from slab stagnation to penetration, JPGU Meeting 2010; International Conference Hall Makuhari Messe, 2010.05.26.

Obayashi, M., G. Nolet, J. Yoshimitsu, D. Suetsugu, H. Shiobara, H. Sugioka, A. Ito, M. Ichiyaagi, T. Kanazawa, Y. Fukao, Finite frequency tomography fort the northwestern Pacific region, ESC 32nd General Assembly; Le Corum, Monpellier, France, 2010.09.09.

Sugioka H., A. Ito, T. Okamoto, T. Nakamura, Y. Ishihara, K. Obana, Y. Fukao, E. Araki, D. Suetsugu, S. Kodaira, M. Kinoshita, Detection of near-source ground motions associated with VLF (very low frequency) earthquakes beneath the forearc slope of the Nankai trough by broadband ocean bottom seismometers, 2010 AGU fall meeting, 2010.12.14.

Suetsugu, D., S. Tanaka, H. Shiobara, H. Sugioka, T. Kanazawa, Y. Fukao, G. Barruol, D. Reymond, Constraints on the Large Low Shear Velocity Province beneath the Pacific Ocean from joint ocean floor and islands broadband seismic experiments in French Polynesia, 2010 AGU Fall Meeting, USA, 2010.12.13.

Tanaka, S., Deep Earth opportunities for EPOBS, Experiments with Portable Ocean Bottom Seismographs (EPOBS), Snowbird, Utah. USA, 2010.09.27.

Tanaka, S., Depth extent of hemispherical difference in equatorial path velocities in the upper inner core, 2010 AGU Fall Meeting, USA, 2010.12.13.

Tanaka,,S., Y. Ishihara, Y. Yuki, N. D. Xuyen, N. Q. Zung, Characteristics of local and distant seismic waveforms observed by the vietnamese ermanent broadband seismic network, ASC 2010, Hanoi, Vietnam, 2010.11.08.

Tanaka, S., Reduction of ocean/seafloor noise, Experiments with Portable Ocean Bottom Seismographs (EPOBS), Snowbird, Utah. USA, 2010.09.27.

Tanaka, S., Seismic models of the core-mantle boundary topography: Comparison and discussion, SEDI 2010, Santa Barbara, California, USA, 2010.7.19.

Tanaka, S., Spatial variations of differential travel times and amplitude ratios between PKP-Cdiff and PKP-DF, SEDI 2010, Santa Barbara, California, USA, 2010.7.19.

Baba, K., H. Utada, and N. Abe (2011), Electrical conductivity of old oceanic mantle beneath the northwestern Pacific revealed from seafloor magnetotelluric observations, EGU General Assembly 2011, (Vienna, Austria), Apr. 03 ? 08 (Apr. 06), EGU2011-5307.

Baba, K., H. Utada, and H. Shimizu (2010), Electrical conductivity at around 400 km depth in the western pacific subduction region, AGU 2010 fall meeting, (San Francisco, USA), Dec. 13 ? 17 (Dec.15), DI31B-06, (invited).

Baba, K., and H. Utada (2010), Electrical conductivity of oceanic lithosphere and asthenosphere: constraints from modern seafloor magnetotelluric data, AGU 2010 fall meeting, (San Francisco, USA), Dec. 13 ? 17 (Dec. 15), DI32A-02.

Baba, K., H. Utada, T. Goto, T. Kasaya, H. Shimizu, and N. Tada (2010), Electrical conductivity imaging of the upper mantle beneath the Philippine Sea and the western margin of the Pacific ocean, 20th International Workshop on Electromagnetic Induction of the Earth (Giza, Egypt), Sept. 18 ? 24 (Sep. 23), oral2.

Baba, K., H. Utada, T. Goto, H. Shimizu, and N. Tada (2010), Electrical conductivity imaging of the upper mantle beneath the Philippine Sea and the western edge of the Pacific Ocean, JpGU Meeting 2010 (Chiba, Japan), May 23 ? 28 (May 26), SEM033-P02.

馬場聖至, 多田訓子, 歌田久司 (2010), 海底MTデータの3次元インバージョン における地形効果の組み込み, 第128回地球電磁気・地球惑星圏学会講演会 (沖 縄, 沖縄県市町村自治会館), 10月31~11月3日(11月1日), A003-P004.