Thu. May 24, 2018 9:00 AM - 10:30 AM 101 (1F International Conference Hall, Makuhari Messe)

[JJ] Oral
| H (Human Geosciences)
| H-TT Technology & Techniques

[H-TT19] New Developments in Shallow Geophysics

9:15 AM - 9:30 AM

[HTT19-02] Evaluation of fiber optic DAS as a dense seismic array for continuous monitoring of civil engineering structures

*Junzo Kasahara^1,4,5, Takashi Yamaguchi¹, Yoshihiro Sugimoto², Hirotaka Kawashima², Yasutomo Yamauchi², Yoko Hasada³, Kenji Kubota⁶ (1.ENAA, 2.Dia Consultant Co. Ltd., 3.Daiwa Engineering and Consulting Co., 4.Tokyo Univ. Marine Sci. and Engineering, 5.Shizuoka Univ., 6.CRIEPI)

Thu. May 24, 2018 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| H (Human Geosciences)
| H-TT Technology & Techniques

[H-TT19] New Developments in Shallow Geophysics

[HTT19-P01] Seismic waveform changes associated with precipitation revealed by a geophone array and DAS

*Junzo Kasahara^1,5,6, Yoko Hasada³, Yoshihiro Sugimoto², Hirotaka Kawashima², Yasutomo Yamauchi², Takashi Yamaguchi¹, Kenji Kubota⁴ (1.ENAA, 2.Dia consulting Co. Ltd, 3.Daiwa Exploration and Consulting Co. Ltd, 4.CRIEPI, 5.Tokyo University of Marine Science and Technology, 6.Shizuoka Univ..)

[HTT19-P02] Applicability of the fiber optic DAS(Distributed Acoustic Sensor) to the calculation of surface wave dispersion curves.

*Yasutomo Yamauchi¹, Junzo Kasahara^2,5, Yoko Hasada³, Hirotaka Kawashima¹, Yoshihiro Suigimoto¹, Takashi Yamaguchi², Kenji Kubota⁴ (1.DIACONSULTANTS CO.,LTD, 2.Engineering Advancement Association of Japan, 3.Daiwa Exploration and Consulting Co.,Ltd., 4.Central Research Institute of Electric Power Industry, 5.Tokyo University of Marine Science and Technology)

Thu. May 24, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| H (Human Geosciences)
| H-TT Technology & Techniques

[H-TT19] New Developments in Shallow Geophysics

[HTT19-P01] Seismic waveform changes associated with precipitation revealed by a geophone array and DAS

*Junzo Kasahara^1,5,6, Yoko Hasada³, Yoshihiro Sugimoto², Hirotaka Kawashima², Yasutomo Yamauchi², Takashi Yamaguchi¹, Kenji Kubota⁴ (1.ENAA, 2.Dia consulting Co. Ltd, 3.Daiwa Exploration and Consulting Co. Ltd, 4.CRIEPI, 5.Tokyo University of Marine Science and Technology, 6.Shizuoka Univ..)

[HTT19-P02] Applicability of the fiber optic DAS(Distributed Acoustic Sensor) to the calculation of surface wave dispersion curves.

*Yasutomo Yamauchi¹, Junzo Kasahara^2,5, Yoko Hasada³, Hirotaka Kawashima¹, Yoshihiro Suigimoto¹, Takashi Yamaguchi², Kenji Kubota⁴ (1.DIACONSULTANTS CO.,LTD, 2.Engineering Advancement Association of Japan, 3.Daiwa Exploration and Consulting Co.,Ltd., 4.Central Research Institute of Electric Power Industry, 5.Tokyo University of Marine Science and Technology)

Wed. May 23, 2018 1:45 PM - 3:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| S (Solid Earth Sciences)
| S-TT Technology & Techniques

[S-TT50] seismic monitoring and processing system

[STT50-P03] Comparison of the records by optical fiber DAS (Distributed Acoustic Sensor) and geophone using natural earthquakes

*Yoko Hasada^1,2, Junzo Kasahara^2,5, Hirotaka Kawashima³, Yasutomo Yamauchi³, Yoshihiro Sugimoto³, Takashi Yamaguchi², Kenji Kubota⁴ (1.Daiwa Exploration & Consulting Co.,Ltd., 2.ENAA, 3.DIA Consultants Co., Ltd., 4.CRIEPI, 5.Tokyo University of Marine Science and Technology)

Wed. May 23, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| S (Solid Earth Sciences)
| S-TT Technology & Techniques

[S-TT50] seismic monitoring and processing system

[STT50-P03] Comparison of the records by optical fiber DAS (Distributed Acoustic Sensor) and geophone using natural earthquakes

*Yoko Hasada^1,2, Junzo Kasahara^2,5, Hirotaka Kawashima³, Yasutomo Yamauchi³, Yoshihiro Sugimoto³, Takashi Yamaguchi², Kenji Kubota⁴ (1.Daiwa Exploration & Consulting Co.,Ltd., 2.ENAA, 3.DIA Consultants Co., Ltd., 4.CRIEPI, 5.Tokyo University of Marine Science and Technology)

Mon. May 21, 2018 1:45 PM - 3:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| S (Solid Earth Sciences)
| S-CG Complex & General

[S-CG64] Brittle-Ductile Transition and Supercritical Geofluids for Crustal Energy in Island Arc

[SCG64-P08] Evaluation of heat retrieval of super-critical water reservoirs and Visualization of Data

*Atsushi Suzuki¹, Junzo Kasahara^2,6, kazuyoshi Takaichi¹, Takashi Yamaguchi², Hitoshi Mikada³, Satoshi Kitaoka^2,4, Yoshihiro Fujise^2,5, Hisako Shimizu¹ (1.ITOCHU Techno-Solutions Corporation, 2.The Engineering Advancement Association of Japan, 3.Kyoto University , 4.Japan Fine Ceramics Center , 5.WELMA Co., Ltd., 6.Tokyo University of Marine Science and Technology)

[SCG64-P09] Time-lapse imaging of supercritical geothermal drilling and production using full waveform inversion method

*Junzo Kasahara^1,3,4, Yoko Hasada^2,1, Takashi Yamaguchi¹ (1.ENAA, 2.Daiwa Exploration and Consulting Co. Ltd., 3.Tokyo University of Marine Science and Technology, 4.Shizuoka Univ.)

[SCG64-P10] Time-lapse approach for monitoring of change in the supercritical water zone during drilling operation and production

*Junzo Kasahara^1,4,5, Yoko Hasada^1,2, Takashi Yamaguchi¹, Hitoshi Mikada³, Kazuyoshi Takaichi⁶ (1.ENAA, 2.Daiwa Exploration and Consulting Co. Ltd., 3.Kyoto Univ., 4.Tokyo Univ. Marine Sci. and Engineering, 5.Shizuoka Univ., 6.Itochu technosolutions Co.)

[SCG64-P11] Feasibility study of super critical water reservoirs for the next generation of clean and renewable energy sources

*Junzo Kasahara^1,6,7, Kazuyoshi Takaichi², Atsushi Suzuki², Takashi Yamaguchi¹, Hitoshi Mikada³, Satoshi Kitaoka⁴, Yoshihiro Fujise⁵ (1.ENAA, 2.Itochu Techno solutions Co. Ltd, 3.Kyoto Univ., 4.Japan Fine Ceramic Center, 5.WELMA, 6.Tokyo University of Marine Science and Technology, 7.Shizuoka Univ.)

Mon. May 21, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| S (Solid Earth Sciences)
| S-CG Complex & General

[S-CG64] Brittle-Ductile Transition and Supercritical Geofluids for Crustal Energy in Island Arc

[SCG64-P08] Evaluation of heat retrieval of super-critical water reservoirs and Visualization of Data

*Atsushi Suzuki¹, Junzo Kasahara^2,6, kazuyoshi Takaichi¹, Takashi Yamaguchi², Hitoshi Mikada³, Satoshi Kitaoka^2,4, Yoshihiro Fujise^2,5, Hisako Shimizu¹ (1.ITOCHU Techno-Solutions Corporation, 2.The Engineering Advancement Association of Japan, 3.Kyoto University , 4.Japan Fine Ceramics Center , 5.WELMA Co., Ltd., 6.Tokyo University of Marine Science and Technology)

[SCG64-P09] Time-lapse imaging of supercritical geothermal drilling and production using full waveform inversion method

*Junzo Kasahara^1,3,4, Yoko Hasada^2,1, Takashi Yamaguchi¹ (1.ENAA, 2.Daiwa Exploration and Consulting Co. Ltd., 3.Tokyo University of Marine Science and Technology, 4.Shizuoka Univ.)

[SCG64-P10] Time-lapse approach for monitoring of change in the supercritical water zone during drilling operation and production

*Junzo Kasahara^1,4,5, Yoko Hasada^1,2, Takashi Yamaguchi¹, Hitoshi Mikada³, Kazuyoshi Takaichi⁶ (1.ENAA, 2.Daiwa Exploration and Consulting Co. Ltd., 3.Kyoto Univ., 4.Tokyo Univ. Marine Sci. and Engineering, 5.Shizuoka Univ., 6.Itochu technosolutions Co.)

[SCG64-P11] Feasibility study of super critical water reservoirs for the next generation of clean and renewable energy sources

*Junzo Kasahara^1,6,7, Kazuyoshi Takaichi², Atsushi Suzuki², Takashi Yamaguchi¹, Hitoshi Mikada³, Satoshi Kitaoka⁴, Yoshihiro Fujise⁵ (1.ENAA, 2.Itochu Techno solutions Co. Ltd, 3.Kyoto Univ., 4.Japan Fine Ceramic Center, 5.WELMA, 6.Tokyo University of Marine Science and Technology, 7.Shizuoka Univ.)

Junzo Kasahara

Speaker, Author, Co-Author