Koki Kashiwaya

Profile Information

Affiliation: Kyoto University

Degree: 博士（工学）(北海道大学)

Researcher number: 40447074
ORCID ID: https://orcid.org/0000-0001-7206-8889
J-GLOBAL ID: 201401089329019186
researchmap Member ID: 7000009198

Research Interests

Research Areas

Research History

Oct, 2019 - Present

Associate Professor, Graduate School of Engineering, Kyoto University
Apr, 2012 - Oct, 2019

Assistant Professor, Graduate School of Engineering, Kyoto University
Nov, 2010 - Mar, 2012

Project Assistant Professor, International Joint Education Program for Groundwater Environmental Leaders, Kumamoto University
Dec, 2007 - Oct, 2010

Visiting Researcher, Civil Engineering Research Laboratory, Central Research Institute of Electric Power Industry
Apr, 2006 - Nov, 2007

Postdoctoral Research Fellow, Graduate School of Engineering, 21st COE program "Sustainable Metabolic Systems of Water and Waste for Area-Based Society", Hokkaido University
Apr, 2003 - Mar, 2006

JSPS research fellow (DC1), Japan Society for the Promotion of Science

Education

Apr, 2003 - Mar, 2006

Graduate School of Engineering, Hokkaido University

Committee Memberships

May, 2019 - Present

関西支部常議員, 資源・素材学会
May, 2019 - Present

代議員, 日本地下水学会
Dec, 2018 - Present

地球惑星科学委員会IUGS分科会IAH小委員会委員, 日本学術会議
Jul, 2018 - Present

Scientific Reports, Editorial Board Member, Nature Research
Jun, 2018 - Present

Hydrogeology Journal, Associate Editor, International Association of Hydrogeologists
Apr, 2015 - Present

若手支援・男女共同参画委員会委員, 日本地下水学会
Apr, 2012 - Present

陸海資源探査委員会委員, 日本鉱業振興会
Apr, 2012 - Present

探査工学部門委員会委員, 資源・素材学会
May, 2018 - May, 2020

関西支部庶務幹事, 資源・素材学会
Jul, 2018 - Mar, 2019

岩盤中地下水流動評価技術高度化開発評価委員会委員, 日本原子力研究開発機構
Sep, 2016 - 2019

やろう会を中心とした若手研究者・技術者の鉱山開発・維持管理手法の習得および岩盤工学の新たな展開に関する調査研究委員会委員, 日本鉱業振興会
Sep, 2017 - Nov, 2018

15th International Symposium on Mineral Exploration, Conference Secretariat
Aug, 2017 - Mar, 2018

編集委員「若手のページ」創設WG委員, 日本地下水学会

Awards

Dec, 2013

Mitsui Matsushima Award for Best Paper, Correlating Vegetation Reflectance Spectra of Satellite Imagery with Geochemical Data for Remote Sensing Mineral Exploration in Vegetated Areas, International Symposium on Earth Science and Technology 2013

Arie Naftali, Hawu Hede, Koki Kashiwaya, Katsuaki Koike, Shigeki Sakurai
May, 2013

2012年秋季講演会若手優秀講演賞, 日本地下水学会

柏谷公希
Dec, 2011

Best Paper Award, Geostatistical modeling of Ni and SiO2 contents for precise grade mapping and genesis identification of a laterite nickel deposit, Best Paper Award, International Symposium on Earth Science and Technology 2011

Asran Ilyas, Katsuaki Koike, Koki Kashiwaya
Jun, 2008

平成19年度フロンティア賞, 岩の力学連合会

柏谷公希

Papers

Multi-capacitance electric relaxation model for complex electrical conductivity of sulphide ores

Yusuke Ohta, Tada-nori Goto, Koki Kashiwaya, Katsuaki Koike

Exploration Geophysics, 1-11, Mar 17, 2023
環境トレーサー分析と物質移行解析を用いた都市域における大気SF<sub>6</sub>濃度の時間変化の復元

Koki KASHIWAYA, Taishi HORI, Shun YAMAMOTO, Yohei TADA, Ryuta HAZAMA, Katsuaki KOIKE

Journal of Groundwater Hydrology, 65(1) 35-52, Feb 28, 2023
Advanced characterization of hydrothermal flows within recharge and discharge areas using rare earth elements, proved through a case study of two-phase reservoir geothermal field, in Southern Bandung, West Java, Indonesia

Riostantieka Mayandari Shoedarto, Yohei Tada, Koki Kashiwaya, Katsuaki Koike, Irwan Iskandar

Geothermics, 105 102507-102507, Nov, 2022
Combined SBAS-InSAR and geostatistics to detect topographic change and fluid paths in geothermal areas

Panggea Ghiyats Sabrian, Asep Saepuloh, Koki Kashiwaya, Katsuaki Koike

Journal of Volcanology and Geothermal Research, 416 107272-107272, Aug, 2021
Investigation of meteoric water and parent fluid mixing in a two-phase geothermal reservoir system using strontium isotope analysis: A case study from Southern Bandung, West Java, Indonesia

Riostantieka Mayandari Shoedarto, Yohei Tada, Koki Kashiwaya, Katsuaki Koike, Irwan Iskandar, Dwiyogarani Malik, Boyke Bratakusuma

Geothermics, 94 102096-102096, Jul, 2021
Specifying recharge zones and mechanisms of the transitional geothermal field through hydrogen and oxygen isotope analyses with consideration of water-rock interaction

Riostantieka Mayandari Shoedarto, Yohei Tada, Koki Kashiwaya, Katsuaki Koike, Irwan Iskandar

GEOTHERMICS, 86 ARTN 101797, Jul, 2020 Peer-reviewed
On the origin and evolution of geothermal fluids in the Patuha Geothermal Field, Indonesia based on geochemical and stable isotope data

Yudi Rahayudin, Koki Kashiwaya, Yohei Tada, Irwan Iskandar, Katsuaki Koike, Randy Wijaya Atmaja, Niniek Rina Herdianita

APPLIED GEOCHEMISTRY, 114 ARTN 104530, Mar, 2020 Peer-reviewed
Characterizing the permeability of drillhole core samples of Toki granite, Central Japan to identify factors influencing rock-matrix permeability

Taiki Kubo, Norihiro Matsuda, Koki Kashiwaya, Katsuaki Koike, Masayuki Ishibashi, Tadahiko Tsuruta, Toshiyuki Matsuoka, Eiji Sasao, George W. Lanyon

ENGINEERING GEOLOGY, 259 UNSP 105163, Sep, 2019 Peer-reviewed
Precipitation of calcium compounds onto rock surfaces in water with cementitious material

Yoshitaka Nara, Koki Kashiwaya, Akimasa Nakao, Hiroto Uchida, Yusaku Hamada, Kazutoshi Shibuya

Carbonates and Evaporites, 34(3) 1003-1020, Sep, 2019 Peer-reviewed
複数の地球化学的指標と地球統計学による京都盆地鴨川-高野川周辺の地下水-表流水交流状態の推定

柏谷公希, 文田了介, 小池克明

地下水学会誌, 61(1) 21-34, Jan, 2019 Peer-reviewed
Influence of calcium ions on subcritical crack growth in granite

Yoshitaka Nara, Tomoki Harui, Koki Kashiwaya

International Journal of Rock Mechanics and Mining Sciences, 102 71-77, Feb 1, 2018 Peer-reviewed
カルシウムイオン濃度が異なる水中に保存した岩石での鉱物析出

奈良禎太, 桑谷隆太, 河野勝宣, 佐藤稔紀, 柏谷公希

材料試験, 67(7) 730-737, Jan, 2018 Peer-reviewed
Construction of rock physics model based on electrical conductivity characteristics of rock samples obtained in seafloor hydrothermal areas

Ohta Yusuke, Goto Tada-nori, Koike Katsuaki, Kashiwaya Koki, Lin Weiren, Tadai Osamu, Kasaya Takafumi, Kanamatsu Toshiya, Machiyama Hideaki

BUTSURI-TANSA(Geophysical Exploration), 71 43-55, Jan, 2018 Peer-reviewed
Spatial variations of tritium concentrations in groundwater collected in the southern coastal region of Fukushima, Japan, after the nuclear accident

Koki Kashiwaya, Yuta Muto, Taiki Kubo, Reo Ikawa, Shinji Nakaya, Katsuaki Koike, Atsunao Marui

SCIENTIFIC REPORTS, 7(1) 12578, Oct, 2017 Peer-reviewed
Influence of surrounding environment on subcritical crack growth in marble

Yoshitaka Nara, Koki Kashiwaya, Yuki Nishida, Toshinori Ii

TECTONOPHYSICS, 706 116-128, Jun, 2017 Peer-reviewed
How can satellite imagery be used for mineral exploration in thick vegetation areas?

Arie Naftali Hawu Hede, Katsuaki Koike, Koki Kashiwaya, Shigeki Sakurai, Ryoichi Yamada, Donald A. Singer

GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 18(2) 584-596, Feb, 2017 Peer-reviewed
Relationship between resistivity characteristics and chemical composition of rock samples in the seafloor hydrothermal are

136 281-283, Jan, 2017
Relationships between resistivity characteristics and mineral species of rock samples in the seafloor hydrothermal area

137 147-149, Jan, 2017
Analysis and storage of fluorescent dye solutions as a tracer of groundwater flow

NAKATA Kotaro, HASEGAWA Takuma, KASHIWAYA Koki

Journal of Groundwater Hydrology, 59(3) 205-227, Jan, 2017 Peer-reviewed
Large near-surface rupture along an active fault detected by electrical resistivity and radon surveys : a case of the Hanaore fault, Japan

137 70-72, 2017

Misc.

亀裂性岩盤の弾性波速度・比抵抗・透水性に関する岩石物理モデルの提案—Proposal of rock physics model for seismic velocity, resistivity, and permeability of fractured rock

後藤忠徳, 川口草太, 尾崎裕介, 大田優介, 久保大樹, 柏谷公希, 小池克明

公益社団法人物理探査学会学術講演会講演論文集 = Proceedings of the SEGJ Conference, 145 31-34, 2021
Evaluation of the amount of subseafloor metal resources based on the integration of geophysical data and rock physics

大田優介, 後藤忠徳, 小池克明, 柏谷公希, 笠谷貴史, 熊谷英憲, 町山栄章

日本情報地質学会講演会講演要旨集(Web), 32nd, 2021
Development of estimating permeability of rock mass based on physical data

後藤忠徳, 川口草太, 大田優介, 久保大樹, 柏谷公希, 小池克明

日本地球惑星科学連合大会予稿集(Web), 2020, 2020
Potential Assessment of Seam Spot by Integrating Multiple Exploration Data in a Geothermal Area

久保大樹, 柏谷公希, 多田洋平, SHOEDARTO Riostantieka M., 小池克明, HERIAWAN Mohamad Nur, ISKANDAR Irwan, NOTOSISWOYO Sudarto

日本地熱学会学術講演会講演要旨集, 2020, 2020
Estimation of infiltration process of meteoric water into geothermal reservoir through an analysis of strontium isotopic exchange in water and rocks

SHOEDARTO Riostantieka M., TADA Yohei, KASHIWAYA Koki, KOIKE Katsuaki

日本地熱学会学術講演会講演要旨集, 2020, 2020
バンドン盆地周辺の地熱地域における³Hと¹²⁹Iを用いた地熱流体の起源と滞留時間の推定

犬飼郁也, 柏谷公希, RAHAYUDIN Yudi, MAYANDARI Riostantieka, 松崎浩之, 小池克明

資源・素材(Web), 2019, 2019
インドネシア・バンドン盆地周辺の地熱系における地熱流体の循環状態把握を目的とした地球化学的調査

柏谷公希, RAHAYUDIN Yudi, SHOEDARTO Riostantieka, 弥富文次, 多田洋平, ISKANDAR Irwan, SUDARTO Notosiswoyo, 小池克明

資源・素材学会春季大会(Web), 2019, 2019
地球化学的指標に基づく地熱貯留層特性と地熱流体の循環状態の推定

柏谷公希, 多田洋平, YUDI Rahayudin, RIOSTANTIEKA Shoedarto, 弥富文次, 犬飼郁也, 加納陸生, 小池克明

資源・素材(Web), 2019, 2019
インドネシアBandung盆地周辺の地熱地区における蒸気スポット検出への地化学的アプローチ

多田洋平, 柏谷公希, 久保大樹, SHOEDARTO R.M., RAHAYUDIN Y., 小池克明, ISKANDAR I., HERIAWAN M. N., NOTOSISWOYO S.

日本地熱学会学術講演会講演要旨集, 2019, 2019
Interpretation of water-rock interaction provenances in the Wayang Windu geothermal reservoir, Bandung, West Java, Indonesia from the trace elements analyses

SHOEDARTO Riostantieka Mayandari, TADA Yohei, KASHIWAYA Koki, KOIKE Katsuaki

日本地熱学会学術講演会講演要旨集, 2019, 2019
Study on physical properties and mineral compositions of rock samples obtained in the seafloor hydrothermal area

Y. Ohta, T. Goto, K. Koike, K. Kashiwaya, W. Lin, O. Tadai, T. Kasaya, T. Kanamatsu, H. Machiyama

15th International Symposium on Mineral Exploration, Kyoto, Japan (ISME-XV Kyoto), Nov, 2018
海底熱水活動域の岩石試料に関する電気伝導度特性のモデル化

後藤忠徳, 後藤忠徳, 大田優介, 小池克明, 柏谷公希, LIN Weiren, 多田井修, 笠谷貴史, 金松敏也, 町山栄章

資源・素材学会春季大会(Web), 2018, 2018
Construction of rock physics model based on electrical conductivity characteristics of rock samples obtained in seafloor hydrothermal areas

大田優介, 後藤忠徳, 後藤忠徳, 小池克明, 柏谷公希, LIN WEIREN, 多田井修, 笠谷貴史, 金松敏也, 町山栄章

物理探査(Web), 71, 2018
第44回国際水文地質学会（IAH）参加報告

柏谷公希, 中川啓, 天野弘基

地下水学会誌, 59 396-397, 2017
Oxygen Isotope and Ranking Faults Analyses to Delineate Water-rock Interaction Processes in a High-Temperature Geothermal System

MAYANDARI Riostantieka, TADA Yohei, KASHIWAYA Koki, KOIKE Katsuaki, ISKANDAR Irwan, HERIAWAN M. N., NOTOSISWOYO S., MALIK Dwiyoga

情報地質, 28(2), 2017
海底熱水活動域岩石サンプルの電気比抵抗特性測定とそのモデル化

大田優介, 後藤忠徳, 柏谷公希, 小池克明, LIN Weiren, 多田井修, 笠谷貴史, 金松敏也, 町山栄章

資源・素材学会春季大会(Web), 2017 ROMBUNNO.1301‐12‐03 (WEB ONLY), 2017
海底熱水活動域岩石サンプルの比抵抗特性と鉱物種の関係性

大田優介, 後藤忠徳, 柏谷公希, 小池克明, LIN Weiren, 多田井修, 笠谷貴史, 金松敏也, 町山栄章

日本地球惑星科学連合大会予稿集(Web), 2017 ROMBUNNO.SCG71‐16 (WEB ONLY), 2017
海底熱水鉱床で得られた岩石サンプルの諸物性とそのモデル化

大田優介, 後藤忠徳, 柏谷公希, LIN Weiren, 多田井修, 笠谷貴史, 金松敏也, 町山栄章

情報地質, 27(2) 74‐75, Jun 10, 2016
2016年秋季講演会「若手セミナー」実施報告

大野真知子, 天野弘基, 北村涼馬, 杉山歩, 柏谷公希, 伊藤浩子, 野原慎太郎, 吉岡真弓, 安元純, 中屋眞司

地下水学会誌, 59 47-48, 2016
IAHのECHNの紹介と日本地下水学会における若手支援

柏谷公希

地下水学会誌, 58 469, 2016

Presentations

132

Electrical conductivity and spectral IP characteristics in the rock samples obtained in seafloor hydrothermal area and interpretation of them

大田優介, 後藤忠徳, 小池克明, 林為人, 柏谷公希, 多田井修, 笠谷貴史, 金松敏也, 熊谷英憲, 町山栄章

日本地球惑星科学連合2019年大会, May, 2019
複数の環境トレーサー分析と物質移行解析を用いた京都盆地における地域的大気六フッ化硫黄濃度の時間変化の復元

柏谷公希, 堀太至, 硲隆太, 佐久間洋一, 小池克明

日本地球惑星科学連合2019年大会, May, 2019
地下坑道での弾性・比抵抗測定に基づいた岩盤透水性の推定

川口草太, 後藤忠徳, 柏谷公希

日本地球惑星科学連合2019年大会, May, 2019
凝灰岩におけるサブクリティカルき裂進展

竹田浩之, 奈良禎太, 柏谷公希

日本材料学会第68期学術講演会, May, 2019
インドネシア・バンドン盆地周辺の地熱系における地熱流体の循環状態把握を目的とした地球化学的調査

柏谷公希, Rahayudin Y, Shoedarto R, 弥富文次, 多田洋平, Iskandar I, Notosiswoyo S, 小池克明

平成31年度資源・素材学会春季大会, Mar, 2019
Rock physics modeling for massive sulfide rock samples from seafloor hydrothermal areas

Ohta, Y, Goto, T, Koike, K, Kashiwaya, K., Lin, W. Tadai, O, Kasaya, T, Kanamatsu, T, Machiyama, H

American Geophysical Union, Fall Meeting 2018, Dec, 2018
粘土を懸濁した水を用いた原位置岩盤透水試験

桶谷和生, 奈良禎太, 柏谷公希

資源・素材学会関西支部第15回若手研究者・学生のための研究発表会, Dec, 2018
堆積岩のサブクリティカル亀裂進展におけるカルシウムイオンの影響

竹田浩之, 奈良禎太, 柏谷公希

資源・素材学会関西支部第15回若手研究者・学生のための研究発表会, Dec, 2018
砂岩におけるカルシウム化合物沈殿の透水性への影響

西口正剛, 奈良禎太, 柏谷公希

資源・素材学会関西支部第15回若手研究者・学生のための研究発表会, Dec, 2018
Importance of water-rock interaction processes for sustainable resource use in a two-phase and vapor dominated geothermal system

Shoedarto, R.M, Kashiwaya, K, Tada Y, Koike, K

資源・素材学会関西支部第15回若手研究者・学生のための研究発表会, Dec, 2018
Reproducing electrical conductivity characteristics of rock samples obtained from seafloor hydrothermal area with new rock physics model

Ohta, Y, Goto, T, Koike, K, Kashiwaya, K, Lin, W, Tadai, O, Kasaya, T, Kanamatsu, T, Machiyama, H

The 13th SEGJ International Symposium, Nov, 2018
Spatial modeling integrated with geostatistics and physical law for improving metal grade distribution in hydrothermal type deposits

Lu, L, Koike, K, Kashiwaya, K, Heriawan, M. N, Yamada, R

The 15th International Symposium on Mineral Exploration, Nov, 2018
Study on physical properties and mineral compositions of rock samples obtained in the seafloor hydrothermal area

Ohta, Y, Goto, T, Koike, K, Kashiwaya, K., Lin, W. Tadai, O, Kasaya, T, Kanamatsu, T, Machiyama, H

The 15th International Symposium on Mineral Exploration, Nov, 2018
Influence of calcium compound precipitation on permeability in sandstone

Nishiguchi, M, Nara, Y, Kashiwaya, K

The 15th International Symposium on Mineral Exploration, Nov, 2018
Clarifying the fluid interaction process by water geochemistry with a case study of the Tangkuban Perahu area, West Java, Indonesia

Rahayudin, Y, Kashiwaya, K, Tada, Y, Koike, K, Heriawan, M. N, Susmanto, A

The 15th International Symposium on Mineral Exploration, Nov, 2018
Integrating geochemical properties and fracture distribution to characterize fluid-flow system in the Wayang Windu geothermal field, West Java, Indonesia

Shoedarto, R. M, Kashiwaya, K, Tada, Y, Koike, K

The 15th International Symposium on Mineral Exploration, Nov, 2018
Groundwater dating in the Kyoto Basin using environmental tracer analysis and mass transport analysis

Hori, T, Kashiwaya, K, Tada, Y, Hazama, R, Sakuma, Y, Koike, K

The 15th International Symposium on Mineral Exploration, Nov, 2018
Estimation of mass transport properties around a fault using environmental tracer analysis and numerical simulation

Okajima, J, Kashiwaya, K, Tada, Y, Hazama, R, Sakuma, Y, Koike, K

The 15th International Symposium on Mineral Exploration, Nov, 2018
Development of a machine learning-based hyperspectral transformation method with application to potential area of porphyry copper deposit in Chile

Hoang, N. T, Koike, K, Kashiwaya, K, Noda, S, Takeda, T, Kosugi, A, Masuda, K

The 15th International Symposium on Mineral Exploration, Nov, 2018
砂岩のサブクリティカルき裂進展に及ぼすカルシウムイオン濃度の影響

奈良禎太, 竹田浩之, 柏谷公希

日本材料学会第67期学術講演会, May, 2018

Teaching Experience

Professional Memberships

Research Projects

Advanced joint research for detection of critical spot in reservoir enabling great promotion of geothermal power generation

Grants-in-Aid for Scientific Research, Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)), Japan Society for the Promotion of Science, Oct, 2021 - Mar, 2026
Clarification of generation process of ore deposits by estimation of present and past regional hydrothermal fluid systems with application to potential assessment of undiscovered deposits

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2025
多項目の環境トレーサーを駆使した地熱流体の滞留時間推定法の開発

科学研究費補助金基盤研究（C）, 日本学術振興会, Apr, 2019 - Mar, 2022

柏谷公希

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