Kei Sugiura, Hikaru Sawada, Mutsumi Iizuka, Mana Yasui, Qing Chang, Takafumi Kasaya. Complex factors contribute to the chemical composition of clastic sediments traveling from rivers to the ocean along island arcs: A case study of the Otsuchi area, Northeast Japan. ISLAND ARC, 2023, 32, 1, p. 1-18, doi: 10.1111/iar.12496
Hiroshi Ichihara, Takafumi Kasaya, Kiyoshi Baba, Tada-nori Goto, Makoto Yamano. 2D resistivity model around the rupture area of the 2011 Tohoku-oki earthquake (Mw 9.0). EARTH PLANETS AND SPACE, 2023, 75, doi: 10.1186/s40623-023-01828-1
Hiroko Watanabe, Natsue Abe, Eiichiro Araki, Takuto Araki, Kunio Inoue, Takafumi Kasaya, Masanori Kyo, William F. McDonough, Taichi Sakai, Noriaki Sakurai, Kenta Ueki, Hiroshi Yoshida. Ocean Bottom Detector: Frontier of technology for understanding the mantle by geoneutrinos. 2023 IEEE International Symposium on Underwater Technology, UT 2023/Institute of Electrical and Electronics Engineers Inc., 2023, doi: 10.1109/UT49729.2023.10103417
金子純二、笠谷貴史. 東青ヶ島海丘カルデラ海底熱水活動域におけるボクセルモデルを用いた船舶マルチビーム音響測深機のウォーターカラムデータ解析. 情報地質, 2022, 33, 4, p. 87-94, doi: 10.6010/geoinformatics.33.4_87
笠谷貴史、川田佳史、岩本久則. 鉛直電極アレイを用いた海底電気探査法で得られた海底熱水鉱床域における比抵抗構造. 物理探査, 2022, 75, p. 42-49, doi: 10.3124/segj.75.sp42
Takafumi Kasaya, Yoshifumi Nogi, Kazuya Kitada. Advanced magnetic survey system and method for detailed magnetic field mapping near the sea bottom using an autonomous underwater vehicle. Exploration Geophysics, 2022, 54, 2, p. 205-216, doi: 10.1080/08123985.2022.2089013
T Yutani, O Yono, T. Kuwatani(責任著者), D Matsuoka, J Kaneko, M Hidaka, T Kasaya, Y Kido, Y Ishikawa, T Ueki, E Kikawa. Super-Resolution and Feature Extraction for Ocean Bathymetric Maps Using Sparse Coding. SENSORS, 2022, 22, 9, p. 1-13, doi: 10.3390/s22093198
Keisuke Takahashi, Yuichiro Kawabata, Mari Kobayashi, Shinpei Gotoh, Shun Nomura, Takafumi Kasaya and Mitsuyasu Iwanami. Action of Hydraulic Pressure on Portland Cement Mortars - Current Understanding and Related Progress of the First-Ever In-Situ Deep Sea Tests at a 3515 m Depth. Journal of Advanced Concrete Technology, 2021, 19, 3, p. 226-239, doi: 10.3151/jact.19.226
Kasaya T, Iwamoto H and Kawada Y. Deep-Sea DC Resistivity and Self-Potential Monitoring System for Environmental Evaluation With Hydrothermal Deposit Mining. Frontiers in Earth Science, 2021, doi: 10.3389/feart.2021.608381
Takafumi Kasaya, Hisanori Iwamoto, Yoshifumi Kawada. Deep-sea DC resistivity and self-potential monitoring system for environmental evaluation with hydrothermal deposit mining. Frontiers in Earth Science, 2021, 9, doi: 10.3389/feart.2021.608381
Yoshiya Usui, Makoto Uyeshima, Tsutomu Ogawa, Ryokei Yoshimura, Naoto Oshiman, Satoru Yamaguchi, Hiroaki Toh, Hideki Murakami, Koki Aizawa, Toshiya Tanbo, Yasuo Ogawa, Tadashi Nishitani, Shin 'ya Sakanaka, Masaaki Mishina, Hideyuki Satoh, Tada-nori Goto , Takafumi Kasaya, Toru Mogi, Yusuke Yamaya, Ichiro Shiozaki, Yoshimori Honkura. Electrical Resistivity Structure Around the Atotsugawa Fault, Central Japan, Revealed by a New 2-D Inversion Method Combining Wideband-MT and Network-MT Data Sets. JOURNAL OF GEOPHYSICAL RESEARCH - Solid Earth, 2021, 126, doi: 10.1029/2020JB020904
Shinya Sato, Tada-Nori Goto, Takafumi Kasaya, Hiroshi Ichihara. Method for obtaining response functions from noisy magnetotelluric data using frequency-domain independent component analysis. GEOPHYSICS, 2021, 86, 1, p. 21-35, doi: 10.1190/GEO2018-0792.1
Takafumi Kasaya, Hisanori Iwamoto, Yoshifumi Kawada, Tadahiro Hyakudome. Marine DC resistivity and self-potential survey in the hydrothermal deposit areas using multiple AUVs and ASV. TERRESTRIAL ATMOSPHERIC AND OCEANIC SCIENCES, 2020, 31, 5, p. 579-588, doi: 10.3319/TAO.2019.09.02.01
K. Ishizu, Tada-nori. Goto, Yusuke. Ohta, Takafumi. Kasaya, Hisanori Iwamoto, Chatchai. Vachiratienchai, W. Siripunvaraporn, Takeshi Tsuji, Hdenori. Kumagai, Katsuaki. Koike. Internal Structure of a Seafloor Massive Sulfide Deposit by Electrical Resistivity Tomography, Okinawa Trough. GEOPHYSICAL RESEARCH LETTERS, 2019, 46, 20, p. 11025-11034, doi: 10.1029/2019GL083749
Sayaka Nitta, takafumi kasaya, kiichiro kawamura. Active sediment creep deformation on a deep-sea terrace in the Japan Trench. GEOLOGICAL MAGAZINE, 2018, p. 1-8, doi: 10.1017/S0016756818000894
Tadahiro Hyakudome, Hiroshi Matsumoto, Yoshiyuki Nakano, Yoshitaka Watanabe, Tatsuya Fukuda, Ryotaro Suga, Kouji Meguro, Hiroshi Yoshida, Takafumi Kasaya and Hisanori Iwamoto. Development of ASV for using multiple AUVs operation. OCEANS 2018 Charleston, 2018
大木健, 横引貴史,西田周平,笠谷貴史,小寺透,樋泉昌之,谷健一郎,川口勝義,. 熱水活動域におけるケーブル式観測システム構築のための事前調査手法と実海域での検証. JAMSTEC Report of Research and Development, 2018, 26, p. 21-35, doi: 10.5918/jamstecr.26.21
Naoto Imamura, Tada-nori Goto, Takafumi Kasaya, Hideaki Machiyama,. Robust data processing of noisy marine controlled-source electromagnetic data using independent component analysis. Exploration Geophysics, 2017, 49, 1, p. 21-29, doi: 10.1071/EG17139
藤井美南・小栗一将・新井和乃・笠谷貴史・川村喜一郎. 報告:無人探査機によって採取された三陸沖の表層堆積物の210Pbと137Csの鉛直分布. 地質学雑誌, 2017, 123, 11, p. 983-988, doi: 10.5575/geosoc.2017.0030
Yamamoto M, Nakamura R, Kasaya T, Kumagai H, Suzuki K, Takai K.. Spontaneous and Widespread Electricity Generation in Natural Deep-Sea Hydrothermal Fields.. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2017, 56, 21, p. 5725-5728, doi: 10.1002/anie.201701768
Noriko Tada, Pascal Tarits, Kiyoshi Baba, Hisashi Utada, Takafumi Kasaya, Daisuke Suetsugu. Electromagnetic evidence for volatile-rich upwelling beneath the Society hotspot, French Polynesia. Geophysical Research Letters, 2016, 43, p. 12021-12026, doi: doi:10.1002/2016GL071331
Nomaki H, Arai K, Suga H, Toyofuku T, Wakita M, Nunoura T, Oguri K, Kasaya T, Watanabe S. Sedimentary organic matter contents and porewater chemistry at upper bathyal depths influenced by the 2011 off the Pacific coast of Tohoku Earthquake and tsunami.. JOURNAL OF OCEANOGRAPHY, 2016, 72, p. 99-111, doi: 10.1007/s10872-015-0315-3
Kazumasa Oguri, Yasuo Furushima, Takashi Toyofuku, Takafumi Kasaya, Masahide Wakita, Shuichi Watanabe, Katsunori Fujikura, Hiroshi Kitazato. Long-term monitoring of bottom environments of the continental slope off Otsuchi Bay, northeastern Japan. Journal of Oceanography, 2016, 72, 1, p. 151-166, doi: DOI 10.1007/s10872-015-0330-4
Takafumi Kasaya, Hideaki Machiyama, Kazuya Kitada, Kentaro Nakamura. Trial exploration for hydrothermal activity using acoustic measurements at the North Iheya Knoll. Geochemical Journal/ TERRAPUB, 2015, 49, 6, p. 597-602, doi: doi:10.2343/geochemj.2.0389
Mikiya Yamashita, Takafumi Kasaya, Narumi Takahashi, Kaoru Takizawa, Shuichi Kodaira. Structural characteristics of the Bayonnaise Knoll caldera as revealed by high-resolution seismic reflection survey. Earth, Planets and Space, 2015, 67, 45, doi: 10.1186/s40623-015-0214-2
Yasuyuki Nakamura, Shuichi Kodaira, Becky J Cook, Tamara Jeppson, Takafumi Kasaya, Yojiro Yamamoto, Yoshitaka Hashimoto, Mika Yamaguchi, Koichiro Obana and Gou Fujie. Seismic imaging and velocity structure around the JFAST drill site in the Japan Trench: low Vp, high Vp/Vs in the transparent frontal prism. EARTH PLANETS AND SPACE, 2014, 66, 121, doi: 10.1186/1880-5981-66-121
Tracing geologically constrained fluid flow pathways using a combination of heat flow measurements, pore water chemistry, and acoustic imaging near the deformation front of the Nankai Trough off the Muroto Peninsula, Japan. Tectonophysics, 2014, 618, p. 121-137
Hiroko Sugioka, Yozo Hamano, Kiyoshi Baba, Takafumi Kasaya, Noriko Tada, and Daisuke Suetsugu. Tsunami: Ocean dynamo generator. Scientific Reports, 2014, 4, doi: 10.1038/srep03596
Yasuhiro Namba, Masanori Kyo, Yasuyuki Kano, Takafumi Kasaya, Patrick Fulton, Hiroaki Muraki, Yoshinobu Nanbu, Noriyasu Yamauchi, and Atsumori Miura. The Retrieval of The Borehole Observatory System Installed in The Tohoku Earthquake Zone. Proceedings of the 11th SEGJ International Symposium, 2013, 2013
Kazuno Arai, Hajime Naruse, Ryo Miura, Kiichiro Kawamura, Ryota Hino, Yoshihiro Ito, Daisuke Inazu, Miwa Yokokawa, Norihiro Izumi, Masafumi Murayama, Takafumi Kasaya. Tsunami-generated turbidity current of the 2011 Tohoku-Oki earthquake. Geology, 2013, 41, 11, p. 1195-1198, doi: doi:10.1130/G34777.1
Hiroshi Ichihara, Yozo hamano, Kiyoshi Baba and Takafumi Kasaya. Tsunami source of the 2011 Tohoku earthquake detected by an ocean-bottom magnetometer. Earth and Planetary Science Letters, 2013, 382, p. 117-124, doi: 10.1016/j.epsl.2013.09.015
Mikiya Yamashita, Masataka Kinoshita, Takafumi Kasaya, Narumi Takahashi, Yoshiyuki Kaneda. Sediment deformation in eastern Sagami Bay revealed by high-density seismic reflection survey. JAMSTEC Report of Research and Development, 2013, 17, p. 1-10
Kazumasa Oguri, Kiichiro Kawamura, Arito Sakaguchi, Takashi Toyofuku, Takafumi Kasaya, Masafumi Murayama, Katsunori Fujikura, Ronnie N. Glud, Hiroshi Kitazato. Hadal disturbance in the Japan Trench induced by the 2011 Tohoku-Oki Earthquake. Scientific Reports, 2013, 3, doi: 10.1038/srep01915
Takeshi Tsuji, Kiichiro Kawamura, Toshiya Kanamatsu, Takafumi Kasayac,Katsunori Fujikura, Yoshihiro Ito, Tetsuro Tsuru, and Masataka Kinoshita. Extension of continental crust due 1 to anelastic deformation in the 2011 Tohoku-oki earthquake: The role of extensional faulting in the generation of a great tsunami. Earth and Planetary Science Letters, 2013, 364, p. 44-58
Extension of continental crust by anelastic deformation during the 2011 Tohoku-oki earthquake: The role of extensional faulting in the generation of a great tsunami. Earth and Planetary Science Letters, 2013, 364, p. 44-58, doi: 10.1016/j.epsl.2012.12.038
Takeshi Tsuji, Kiichiro Kawamura, Toshiya Kanamatsu, Takafumi Kasaya , Katsunori Fujikura, Yoshihiro Ito, Tetsuro Tsuru, Masataka Kinoshita,. Extension of continental crust by anelastic deformation during the 2011 Tohoku-oki earthquake: The role of extensional faulting in the generation of a great tsunami. Earth and Planetary Science Letters, 2013, 364, p. 44-58
Tulay Kaya, Takafumi Kasaya, S Bulent Tank, Yasuo Ogawa, M Kemal Tuncer, Naoto Oshiman, Yoshimori Honkura, Masaki Matsushima. Electrical characterization of the North Anatolian Fault Zone underneath the Marmara Sea, Turkey by ocean bottom magnetotellurics. Geophysical Journal International, 2013, 193, 2, p. 664-677, doi: 10.1093/gji/ggt025
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, Dominique Reymond. TIARES Project -Tomographic investigation by seafloor array experiment for the Society hotspot. Earth Planets Space, 2012, 64, 4, p. 1-4, doi: doi:10.5047/eps.2011.11.002
合成開口ソナーを用いた海底熱水噴出域のマッピング. 物理探査, 2012, 64, 4, p. 279-289
水中音響を用いた海底資源探査. 日本音響学会, 2012, 68, 2, p. 92-97
Takafumi Kasaya, Toshiya Kanamatsu, Takao Sawa, Masataka Kinoshita, Satoshi Tukioka, Fujio Yamamoto. Acoustic images of the submarine fan system of the northern Kumano basin obtained during the ecperimental dives of the deep sea AUV URASHIMA. Exploration Geophysics, 2011, 42, 1, p. 80-87
Kiyoshi Baba, Hisashi Utada, Tada-nori Goto, Takafumi Kasaya, Hisayoshi Shimizu, Noriko Tada. Electrical conductivity imaging of the Philippine Sea upper mantle using seafloor magnetotelluric data. Phys. Earth Planet. Inter., 2010, 183, p. 44
Takafumi Kasaya,Kyohiko Mitsuzawa, Tada-nori Goto, Ryoichi Iwase, Keizo Sayanagi, Eiichiro Araki, Kenichi Asakawa, Hitoshi Mikada, Tomoki Watanabe, Ichiro Takahashi, Toshiyasu Nagao. Trial of multidisciplinary observation at an expandable sub-marine cabled station "off-Hatsushima Island Observatory" in Sagami Bay, Japan. Sensors, 2009, 9, 11, p. 9241-9254
Masataka Kinoshita, Keizo Sayanagi, Takafumi Kasaya, Eiiichiro Araki, Hisao Ito. Long-term temperatures measurements at some onland and sub-seafloor boreholes. JAMSTEC Report R&D, 2009, Special Issue, p. 89-102
Tada-nori Goto, Takafumi Kasaya, Masataka Kinoshita, Eiichiro Araki, Katsuyoshi Kawaguchi, Takashi Yokobiki, Takahiro Nakajima, Hiromichi Nagao, Makoto Harada, Keizo Sayanagi. Development of the off-Toyohashi seafloor cabled observatory. JAMSTEC Report R&D, 2009, Special Issue, p. 149-161
Takafumi Kasaya, Tada-nori Goto, Kiyoshi Baba, Masataka Kinoshita, Yozo Hamano, Yoshio Fukao. Recent progress of the Electro-Magnetic survey to investigate Earth's interior. JAMSTEC Report R&D, 2009, Special Issue, p. 103-110
Satoru Yamaguchi, Makoto Uyeshima, Hideki Murakami, Sirou Sutoh, Daichi Tanigawa, Tsutomu Ogawa, Naoto Oshiman, Ryokei Yoshimura, Koki Aizawa, Ichiro Shiozaki, Takafumi Kasaya. Improvement of the Network-MT method and its first application in imaging the deep conductivity structure beneath the Kii Peninsula, southwestern Japan. Earth Planets Space, 2009, 61, 8, p. 957-971
R. Yoshimura, N. Oshiman, M. Uyeshima, H. Toh, T. Uto, H. Kanezaki, Y. Mochido, K. Aizawa, Y. Ogawa, T. Nishitani, S. Sakanaka, M. Mishina, H. Satoh, T. Goto, T. Kasaya, S. Yamaguchi, H. Murakami, T. Mogi, Y. Yamaya, M. Harada, I. Shiozaki, Y. Honkura, S. Koyama, S. Nakao,Y. Wada, Y. Fujita. Magnetotelluric transect across the Niigata-Kobe Tectonic Zone, central Japan: A clear correlation between strain accumulation and resistivity structure. Geophys. Res. Lett., 2009, 36, p. L20311
Kenichi Asakawa, Takashi Yokobiki, Tada-nori Goto, Eiichiro Araki, Takafumi Kasaya, Masataka Kinoshita,Junichi Kojima. New Scientific Underwater Cable System Tokai-SCANNER for Underwater Geophysical Monitoring Utilizing a Decommissioned Optical Underwater Telecommunication Cable. IEEE Journal of Oceanic Engineering, 2009, 34, 4, p. 539-547
Takafumi Kasaya, Tada-nori Goto. A small ocean bottom electromagnetometer and ocean bottom electrometer system with an arm-folding mechanism (Technical Report). Exploration Geophysics, 2009, 40, 1, p. 41-48, doi: 10.1071/EG08118
Takafumi Kasaya, Tada-nori Goto, Hitoshi Mikada, Kiyoshi Baba, Kiyoshi Suyehiro, Hisashi Utada. Resistivity image of the Philippine Sea Plate around the 1944 Tonankai earthquake deduced by Marine and Land. MT surveys. Earth Planets Space, 2005, 57, 3, p. 209-213
N. Seama, T. Goto, Y. Nogi, M. Ichiki, T. Kasaya, N. Tada, H. Iwamoto, K. Kitada, T. Matsuno, S. Yoshida, Y. Kawada, M. Ito, R. Ishii, K. Takizawa, K. Suyehiro, H. Utada, M. Shimoizumi. Preliminary Report of KR02-14 Kairei cruise. JAMSTEC J. Deep Sea Research, 2003, 22, p. 89-106