Ph.D(Science), University of Tsukuba, Mar. 2002

stable isotope

water quality

material cycle

ｗater cycle

anoxic conditions

biochemical reaction

water-rock interaction

arid regions

groundwater

lake

river water

Natural sciences, Atmospheric and hydrospheric science, Geochemistry

Natural sciences, Atmospheric and hydrospheric science, Hydrology

Oct. 2022 - Present
Tokyo University of Agriculture and Technology, Faculty of Agriculture, Environmental and Natural Resource Science, Part-time Lecturer

Apr. 2018 - Present
Nihon University, Department of Earth and Environmental Sciences, Collage of Humanities and Sciences, Professor

Apr. 2016 - Mar. 2018
Nihon University, Department of Earth and Environmental Sciences, Collage of Humanities and Sciences, Associate Professor

Apr. 2011 - Mar. 2016
Nihon University, Department of Geosystem Sciences, College of Humanities and Sciences, Associate Professor

Apr. 2013 - Mar. 2014
University of Leeds, United Kingdom, School of Earth and Environment, Visiting Researcher

Apr. 2005 - Mar. 2013
Nihon University, College of Economics, Part-time Lecturer

Apr. 2007 - Mar. 2011
Nihon University, Department of Geosystem Sciences, College of Humanities and Sciences, Lecturer

Feb. 2009 - Apr. 2009
CSIRO (The Commonwealth Scientific and Industrial Research Organization), Australia, Land and Water, Visiting Researcher

Apr. 2004 - Mar. 2007
Nihon University, Department of Geosystem Sciences, College of Humanities and Sciences,, Research Assistant

Apr. 2002 - Mar. 2004
Rissho University, Faculty of Geo-environmental Science, Research Assistant

May 2023 - Present
Chief Editor, Japanese Association of Groundwater Hydrology

May 2023 - Present
Director, Japanese Association of Groundwater Hydrology

May 2023 - Present
Award Committee member, Japanese Association of Groundwater Hydrology

May 2018 - Present
Council member, Japanese Association of Hydrological Sciences

Apr. 2018 - Present
Groundwater Conservation Council member, Koganei City, Tokyo Met.

May 2017 - Present
Accounting Committee member, Japanese Association of Hydrological Sciences

Jul. 2011 - Present
Editor, Japanese Association of Groundwater Hydrology

May 2018 - May 2025
Standing Committee member, Japanese Association of Hydrological Sciences

May 2018 - May 2025
Vice of Accounting Committee member, Japanese Association of Hydrological Sciences

Jul. 2023 - Sep. 2023
Honorary Member Recommendation Committee member, Japanese Association of Hydrological Sciences

May 2017 - May 2021
Vice Chair Editor, Japanese Association of Groundwater Hydrology

Apr. 2017 - Mar. 2020
Associate Professional Engineer Examination Board, The Institution of Professional Engineers, Japan

May 2016 - Apr. 2019
Assembly Committee member, Japanese Association of Hydrological Sciences

Nov. 2018 - Mar. 2019
Election management committee, Japanese Association of Groundwater Hydrology

Apr. 2017 - Mar. 2018
Award Committee member, Japanese Association of Hydrological Sciences

Nov. 2016 - Mar. 2017
Election management committee member, Japanese Association of Groundwater Hydrology

Aug. 2014 - Aug. 2016
Survey/Research Committee member, Japanese Association of Groundwater Hydrology

Jun. 2015 - Oct. 2015
Vice of Honorary Member Recommendation Committee, Japanese Association of Hydrological Sciences

Apr. 2012 - Mar. 2013
Associate Professional Engineer Examination Board, The Institution of Professional Engineers, Japan

May 2010 - Mar. 2013
Assembly Committee member, Japanese Association of Hydrological Sciences

Aug. 2009 - Mar. 2010
Award Committee member, Japanese Association of Hydrological Sciences

May 2008 - Mar. 2009
Research Encouragement Award Recommendation member, Japanese Association of Hydrological Sciences

May 2004 - May 2007
Assembly Committee member, Japanese Association of Hydrological Sciences

Sep. 2002 - May 2003
Future Planning Committee member, Japanese Association of Hydrological Sciences

★Hydrogeochemical controls and recharge-flow system of groundwater in the lowland of the Fukui-Ohno Basin, central Japan, based on carbon isotopic signatures
Masaru Yamanaka; Mingzhe Zhao; Seongwon Lee; Takanori Nakano
Journal of Hydrology, Oct. 2022, Refereed
Lead

★Chlorine stable isotope evidence for salinization processes of confined groundwater in southwestern Nobi Plain aquifer system, central Japan
Masaru Yamanaka; Simon H. Bottrell; Jiahong Wu; Yoshihiro Kumagai; Kazuki Mori; Hiroshi Satake
Journal of Hydrology, Nov. 2014, Refereed, Not invited
Lead

★Contributions of C3/C4 organic materials and carbonate rock to dissolved inorganic carbon in a karst groundwater system on Miyakojima Island, southwestern Japan
Masaru Yamanaka
Journal of Hydrology, Jan. 2012, Refereed, Not invited
Lead

★Sulfate reduction and sulfide oxidation in anoxic confined aquifers in the northeastern Osaka Basin, Japan
Masaru Yamanaka; Takanori Nakano; Norio Tase
Journal of Hydrology, Apr. 2007, Refereed, Not invited
Lead

★Sulfur isotope constraint on the provenance of salinity in a confined aquifer system of the southwestern Nobi Plain, central Japan
Masaru Yamanaka; Yoshihiro Kumagai
Journal of Hydrology, Jun. 2006, Refereed, Not invited
Lead

★Hydrogeochemical evolution of confined groundwater in northeastern Osaka Basin, Japan: estimation of confined groundwater flux based on a cation exchange mass balance method
Masaru Yamanaka; Takanori Nakano; Norio Tase
Applied Geochemistry, Feb. 2005, Refereed, Not invited
Lead

Visit to valuable water springs (151) Valuable waters in the Hokusei Area of Mie Pref. Including sites for revisiting
Masaru Yamanaka; Mingzhe Zhao
地下水学会誌, Nov. 2025
Lead

The role played by Technical Visit “Visit to Valuable Water Springs”, which has been published 150 times in JAGH, and its future
Masaru Yamanaka; Kazuyoshi Asai
Journal of Groundwater Hydrology,, Nov. 2025
Lead

Water resources and their use in Ao-ga-shima Island, Izu Archipelago: A tentative assumption on regional hydrology of solitary islands
Kazuki Mori; Masaru Yamanaka
Proceedings of the Institute of Natural Sciences, Nihon University, Mar. 2025, Refereed, Not invited

Groundwater Tracers 5. Sulfur stable isotopes -A sensitive indicator for anoxic-oxic changes in groundwater environments-
Masaru Yamanaka
Journal of Groundwater Hydrology, Feb. 2025
Lead

Groundwater Tracers 3 . Carbon stable isotopes
Masaru Yamanaka
Journal of Groundwater Hydrology, Nov. 2024, Not refereed
Lead

Groundwater Tracers 1. Preface of Lecture Note 'Groundwater tracers'
Yuichi Tomioka; Kazuyoshi Asai; Koki Kashiwaya; Masaru Yamanaka
Journal of Groundwater Hydrology, May 2024, Not refereed

Hydrogeochemistry of unconfined groundwater along the flowpaths on Musashino Uplands, Tokyo Metropolitan
Masaru Yamanaka; Mingzhe Zhao
Journal of Groundwater Hydrology, May 2024, Refereed
Lead

Preface of the Special Issue on “Groundwater Pollution by Nitrate: Past, Present, and Future Perspectives”
Norio Tase; Masaru Yamanaka; Seongwon Lee; Takashi Nakamura; Yu Tabayashi
Journal of Geography (Chigaku Zasshi), Apr. 2023

Overview of the Special Issue “Groundwater Pollution by Nitrate: Past, Present, and Future Perspectives”
Norio Tase; Masaru Yamanaka; Seongwon Lee; Takashi Nakamura; Yu Tabayashi
Journal of Geography (Chigaku Zasshi), Apr. 2023

Background, controlling factors and characteristics of groundwater pollution by nitrate nitrogen at alluvial fans
Masaru Yamanaka
Journal of Geography (Chigaku Zasshi), Apr. 2023, Refereed
Lead

Visit to valuable water springs (139) Valuable waters in the Tama Area of Tokyo Met. Including sites for revisiting
Masaru Yamanaka; Mingzhe Zhao; Shinpei Yoshino
Journal of Groundwater Hydrology, Nov. 2022, Not refereed
Lead

Even kids are researchers of geo-eco sciences -Earth science education is the forefront of environmental research-
Takanori Nakano; Daisuke Araya; Fumiya Iida; Tatsunari Ishimoto; Yasukiyo Ito; Kiyofumi Inoshima; Satoko Imamura; Yuhi Egawa; Hiroyuki Ozawa; Toshiaki Kaeriyama; Yasunori Katase; Motoya Sakai; Minoru Sato; Seiji Sawada; Kouhei Shitajima; Hiroyuki Noda; Tomoyuki Matsuta; Takashi Matsumoto; Akihiro Yamada; Yoshihiro Yamada; Katsuyuki Yamashita; Osamu Okano; Keisuke Kishimoto; Naoya Katsumi; Masaru Yamanaka; Yoshiki Shiroma; Hiroshi Okochi
Geo-Educational Magazine, Jun. 2020, Refereed, Not invited

Hydrogeochemical controlling on groundwater in the Hadano Basin, Kanagawa Prefecture:,Processes of mineral weathering and dissolved inorganic carbon supply
Rina Ogawa; Masaru Yamanaka
Proceedings of the Institute of Natural Sciences, Nihon University, Mar. 2018, Refereed, Not invited
Corresponding

Origins and supply processes of dissolved inorganic carbon during the summer stagnant period in Lake Haruna, Gunma Prefecture, Japan
Masaru Yamanaka
Japanese Journal of Limnology, Sep. 2017, Refereed, Not invited
Lead

Visit to valuable water springs (117) Valuable waters in France, Switzerland and Italy
Masaru Yamanaka
Journal of Groundwater Hydrology, May 2017, Not refereed, Not invited
Lead

Influence of evaporation on river water in arid and semi-arid Australia: Relationships between stable isotope ratios and climatic factors
Masaru Yamanaka; Shiho Yabusaki
Proceedings of the Institute of Natural Sciences, Nihon University, Mar. 2017, Refereed, Not invited
Lead

Spatiotemporal distribution of areas of interest appeared in JAGH articles which include information on the local groundwater
Masaatsu Aichi; Masayuki Ebihara; Takeo Tsuchihara; Kei Nakagawa; Jun Yasumoto; Masaru Yamanaka
Journal of Groundwater Hydrology, Nov. 2016, Refereed, Not invited

Hydrogeochemical controls of groundwater in the Ohmama Alluvial Fan in Gunma Prefecture
Masaru Yamanaka; Keinosuke Sakamoto
Journal of Groundwater Hydrology, May 2016, Refereed, Not invited
Lead

Visit to valuable water springs (111) Valuable waters in the Northern Hokkaido (Dohoku) Area
Masaru Yamanaka
Journal of Groundwater Hydrology, Nov. 2015, Not refereed, Not invited
Lead

Visit to valuable water springs (107) Valuable waters in United Kingdom
Masaru Yamanaka
Journal of Groundwater Hydrology, Nov. 2014, Not refereed, Not invited
Lead

Controlling processes of groundwater chemistry in the Arakawa Alluvial Fan, Saitama, eastern Japan: Relationships between land use and groundwater chemistry
Isao Saito; Masaru Yamanaka
Proceedings of the Institute of Natural Sciences, Nihon University, Mar. 2011, Refereed, Not invited
Corresponding

Visit to valuable water springs (89) Valuable waters in Australia
Masaru Yamanaka
Journal of Groundwater Hydrology, May 2010, Not refereed, Not invited
Lead

Isotopic altitude effect and discharge characteristics of river water in Yakushima Island, southwestern Japan.
Masaru Yamanaka; Masao Okumura; Takanori Nakano
Journal of Japanese Association of Hydrological Sciences, May 2007, Refereed, Not invited
Lead

Mechanism of waterquality formation on "Sio-ido" well at Kikukawa City, Shizuoka Prefecture, central Japan
Naomichi Miyaji; Masaru Yamanaka; Tsuyoshi Hatakeyama; Kiyoshi Matsuo
Proceedings of the Institute of Natural Sciences, Nihon University, Mar. 2006, Refereed, Not invited

Hydrogeochemical evolution of confined groundwater along the flowpath: A case study in northeastern Osaka Basin, Japan
Masaru Yamanaka
Environmental Consercation Engineering, Aug. 2005, Refereed, Not invited
Lead

Visit to valuable water springs (69) Valuable water springs in Yakushima Island
Masaru Yamanaka; Masao Okumura; Takanori Nakano; Yasuo Shimano
Journal of Groundwater Hydrology, May 2005, Not refereed, Not invited
Lead

Geochemical characteristics of acidified stream water in Yakushima island, a world natural heritage site
Takanori Nakano; Masao Okumura; Masaru Yamanaka; Kenichi Satake
Water, Air and Soil Pollution, Aug. 2001, Refereed, Not invited

Strontium isotope constraint on the provenance of basic cations in soil water and stream water in the Kawakami volcanic watershed, Central Japan
Takanori Nakano; Yoriko Yokoo; Masaru Yamanaka
Hydrological Processes, Jul. 2001, Refereed, Not invited

Geochemical characteristics of wet precipitation on the deep-forest, mountains island of Yakushima, southern Japan: Sr isotopic signature of plant-derived Ca in rain
Takanori Nakano; Kinichi Kasasaku; Takashi Minari; Kenichi Satake; Yoriko Yokoo; Masaru Yamanaka; Shigeru Ohde
Global Environmental Research, 2000, Refereed, Not invited

地下水の事典
日本地下水学会, Contributor
朝倉書店, Sep. 2024
9784254261806

図説日本の湧水 : 80地域を探るサイエンス
日本地下水学会, Contributor
朝倉書店, Oct. 2023
9784254162806

地下水・湧水の疑問50 (みんなが知りたいシリーズ13)
日本地下水学会, Joint editor, 日本地下水学会
成山堂書店, Jul. 2020
9784425983612

地下水用語集
日本地下水学会, Contributor, 日本地下水学会
理工図書, Oct. 2011, Not refereed
9784844607823

新・名水を科学する
Contributor, 179-184
技法堂出版, May 2009, Not refereed
9784765534383

Changes in reserves rate of the source of water supply in Ao-ga-shima Island, Izu Archipelago: Later thoughts on regional hydrology of solitary islands
Kazuki Mori; Masaru Yamanaka
日本水文科学会2024年度学術大会, Oct. 2024, Japanese Association of Hydrological Sciences, Not invited

「同位体指標を使うことで見えてくる地下水情報」～炭素・硫黄・ストロンチウムなどの同位体を地下水に適用した研究事例紹介～
Masaru Yamanaka
第12回トークセッション「地下水保全活動と地域連携」, Feb. 2024, Network for Utilization of Geo-heat and Groundwater Resources (NUGG), Invited

武蔵野台地における地下水の流動にともなう水質組成変化
Mingzhe Zhao; Masaru Yamanaka
Japanese Association of Groundwater Hydrology 2023 Spring Meeting, May 2023, Japanese Association of Groundwater Hydrology

福井県大野盆地における地下水の水質形成プロセスについて 軽元素の安定同位体比を指標として
Mingzhe Zhao; Masaru Yamanaka; Toshiro Yamanaka; Takanori Nakano
Japanese Association of Groundwater Hydrology 2022 Spring Meeting, May 2022, Japanese Association of Groundwater Hydrology, Not invited

炭素の指紋を用いた水のつながり－炭素同位体を用いることで見えてくる地下にある水の動き－
Masaru Yamanaka
福井県大野市 大学と連携した地下水に関する研究成果報告会, Mar. 2022, Ohno City, Fukui Prefecture, Invited

Supply processes of dissolved inorganic carbon and flow system of groundwater in Fukui-Ohno Basin
Masaru Yamanaka; Seongwon Lee; Mingzhe Zhao; Takanori Nakano
Japan Geoscience Union Meeting 2021, Jun. 2021, Japan Geoscience Union, Invited

Origins and supply processes of dissolved inorganic carbon in lake water during the summer stagnant period
Masaru Yamanaka
Japan Geoscience Union, Jul. 2020, Japan Geoscience Union, Invited

福井県大野盆地における地下水・河川水の水質形成について－特に炭素同位体に着目して－
Megumi Ishii; Masaru Yamanaka
Japanese Association of Hydrological Sciences 2019 Meeting, Oct. 2019, Japanese Association of Hydrological Sciences, Not invited

大野市の地下水涵養域の水質環境
Takanori Nakano; Ryota Honda; Toshiki Sugo; Misuzu Nishimura; Hiroshi Okochi; Yoshihiro Yamada; Naoya Katsumi; Masaru Yamanaka; Shiho Yabusaki; Ki-Cheol Shin; Lei Fujiyoshi; Ichiro Tayasu; Akihiro Yamada; Tatsunari Ishimoto; Toshiaki Kaeriyama
7th Symposium on Environmental Isotope Study, Dec. 2017, Research Institute for Humanity and Nature, Not invited

Supply processes of dissolved inorganic carbon during the summer stagnant period in Lake Haruna, Gunma Prefecture
Masaru Yamanaka
Japanese Association of Hydrological Sciences 2017 Meeting, Sep. 2017, Japanese Association of Hydrological Sciences, Not invited

神奈川県秦野盆地における地下水の水質形成プロセスについて
Rina Ogawa; Masaru Yamanaka
Japanese Association of Groundwater Hydrology 2017 Spring Meeting, May 2017, Japanese Association of Groundwater Hydrology, Not invited

Salinization processes of confined groundwater in southwestern Nobi Plain aquifer system, central Japan
Masaru Yamanaka; Simon H. Bottrell
Goldschmidt 2016 Conference, Jun. 2016, Geochemical Society, Not invited

Investigation of salinization processes in a confined aquifer system; Application of sulfur and chlorine stable isotopes
Masaru Yamanaka
Japan Geoscience Union Meeting 2016, May 2016, Japan Geoscience Union, Invited

Groundwater chemistry in the Ohmama Alluvial Fan in Gunma Prefecture: Relationships between land use and groundwater chemistry
Masaru Yamanaka; Keinosuke Sakamoto
Japanese Association of Hydrological Sciences 2015 Meeting, Oct. 2015, Japanese Association of Hydrological Sciences, Not invited

塩素および硫黄同位体組成を指標とした被圧地下水の塩水化プロセスの解明
Masaru Yamanaka; Simon H. Bottrell; Jiahong Wu; Yoshihiro Kumagai; Kazuki Mori; Hiroshi Satake
Japanese Association of Groundwater Hydrology 2014 Fall Meeting, Nov. 2014, Japanese Association of Groundwater Hydrology, Not invited

Geochemical and carbon isotopic study in a karst groundwater system on Miyakojima Island, Japan
Masaru Yamanaka
Goldschmidt 2012 Conference, Jul. 2012, Geochemical Society, Not invited

Water quality maps of Laguna de Bay Basin, Philippines
Satoshi Saito; Takanori Nakano; Ki-Cheol Shin; Seiji Maruyama; Chie Miyakawa; Kiyoyuki Yaota; Masaru Yamanaka; Makoto Arima; Ryohei Kada
Japan Geoscience Union Meeting 2012, May 2012, Japan Geoscience Union, Not invited

地下水研究におけるマルチ同位体の利用
Masaru Yamanaka
1st Symposium on Environmental Isotope Study, Sep. 2011, Research Institute for Humanity and Nature, Invited

Relationship between Groundwater Quality and Human Activity -A Case Study in the Arakawa Alluvial Fan, Japan-
Isao Saito; Masaru Yamanaka
XVIII International Union for Quaternary Research (INQUA) Congress, Jul. 2011, International Union for Quaternary Research (INQUA), Not invited

Discrimination of dissolved inorganic carbon origins in a karst groundwater system on Miyakojima Island, southwestern Japan
Masaru Yamanaka
Hydrology Conference 2010, Oct. 2010, Elsevier, Not invited

埼玉県荒川扇状地における地下水の水質特性－特に硝酸汚染に着目して－
Isao Saito; Masaru Yamanaka
Japanese Association of Groundwater Hydrology 2010 Spring Meeting, May 2010, Japanese Association of Groundwater Hydrology, Not invited

Estimation of recharge water flux into confined aquifer system in northeastern Osaka Basin, Japan
Masaru Yamanaka; Takanori Nakano; Norio Tase
Goldschmidt 2008 Conference, Jul. 2008, Geochemical Society, Not invited

Sulfur system in anoxic confined aquifers in the northeastern Osaka Basin, Japan
Masaru Yamanaka; Takanori Nakano; Norio Tase
Goldschmidt 2007 Conference, Aug. 2007, Geochemical Society, Not invited

Carbon isotope constraint on the provenance of dissolved inorganic carbon in carbonate rock aquifer system
Masaru Yamanaka; Hibiki Maruyama
Japan Geoscience Union Meeting 2007, May 2007, Japan Geoscience Union, Not invited

Quantitative evaluation for origins of dissolved inorganic carbon in groundwater of carbonate rock aquifer system
Masaru Yamanaka
Japanese Association of Hydrological Sciences 2006 Meeting, Oct. 2006, Japanese Association of Hydrological Sciences, Not invited

Estimation of groundwater flux based on a cation exchange mass balance method a case study in northeastern Osaka Basin
Masaru Yamanaka; Takanori Nakano; Norio Tase
Japan Earth and Planetary Science Joint Meeting 2005, May 2005, Japan Earth and Planetary Science, Not invited

Chemical and isotopic compositions of river water in Yakushima Island
Masaru Yamanka; Takanori Nakano
Japanese Association of Hydrological Sciences 2004 Meeting, Oct. 2004, Japanese Association of Hydrological Sciences, Not invited

Chemical and isotopic compositions of stream water on Yakushima Island
Masaru Yamanaka; Takanori Nakano
Japan Earth and Planetary Science Joint Meeting 2004, May 2004, Japan Earth and Planetary Science, Not invited

Salinity origin in confined aquifer system in southwestern Nobi Plain, central Japan
Masaru Yamanaka; Yoshihiro Kumagai; Hiroki Takamura
Japanese Association of Hydrological Sciences 2003 Meeting, Oct. 2003, Japanese Association of Hydrological Sciences, Not invited

Sulfur isotope constraint on the provenance of salinity in confined aquifer system in Nobi Plain, central Japan
Masaru Yamanaka; Yoshihiro Kumagai
Goldschmidt 2003 Conference, Sep. 2003, Geochemical Society, Not invited

Sulfur isotope constraint on the provenance of salinity in confined aquifer system. A case study in estuarine area of Kiso River, central Japan
Masaru Yamanaka; Yoshihiro Kumagai; Hiroki Takamura
International Union of Geodesy and Geophysics (IUGG) 2003, Jul. 2003, International Union of Geodesy and Geophysics (IUGG), Not invited

Quantitative estimation of natural recharge into confined aquifer in Northeastern Osaka Basin, Japan. Application of mass balance method based on cation exchange reaction
Masaru Yamanaka; Takanori Nakano; Norio Tase
International Union of Geodesy and Geophysics (IUGG) 2003, Jul. 2003, International Union of Geodesy and Geophysics (IUGG), Not invited

Sulfur isotope constraint on the provenance of salinity in confined aquifer system
Masaru Yamanaka; Yoshihiro Kumagai
Japan Earth and Planetary Science Joint Meeting 2003, May 2003, Japan Earth and Planetary Science, Not invited

Quantitative estimation of natural recharge to confined aquifer based on cation exchange reaction: Case study in Northeastern Osaka Basin, Japan
Masaru Yamanaka; Takanori Nakano; Norio Tase
The 3rd World Water Forum, Mar. 2003, World Water Council, Not invited

陽イオン交換反応の収支計算をもとにした自然涵養量の推定 -大阪平野北東地域を事例として-
Masaru Yamanaka; Takanori Nakano; Norio Tase
Japanese Association of Groundwater Hydrology 2022 Fall Meeting, Oct. 2002, Japanese Association of Groundwater Hydrology, Not invited

Natural recharge of confined groundwater in Northeastern Osaka Basin, Japan
Masaru Yamanaka; Takanori Nakano; Norio Tase
Japanese Association of Hydrological Sciences 2002 Meeting, Jun. 2002, Japanese Association of Hydrological Sciences, Not invited

Sulfur isotope as a tracer of confined groundwater in Northeastern Osaka Basin, Japan
Masaru Yamanaka; Takanori Nakano; Norio Tase
Japan Earth and Planetary Science Joint Meeting 2002, May 2002, Japan Earth and Planetary Science, Not invited

Anion composition and sulfur isotope of confined groundwater; A case study in northeastern Osaka Plain
Masaru Yamanaka; Takanori Nakano; Norio Tase
Geochemical Society of Japan 2001 Annual Meeting, Oct. 2001, Geochemical Society of Japan, Not invited

Water chemistry and sulfur isotopes of confined groundwater,in northeastern Osaka Plain
Masaru Yamanaka; Takanori Nakano; Norio Tase
Japanese Association of Hydrological Sciences 2001 Meeting, Jun. 2001, Japanese Association of Hydrological Sciences, Not invited

Cation exchange reaction on the geochemical evolution of confined groundwater in Northeastern Osaka Basin, southwestern Japan
Masaru Yamanaka; Takanori Nakano; Norio Tase
American Geophysical Union (AGU) 2001 Spring Meeting, May 2001, American Geophysical Union (AGU), Not invited

Geochemical characteristics of acidified stream water on Yakushima, southwestern Japan
Takanori Nakano; Masao Okumura; Masaru Yamanaka; Kenichi Satake
Acid Rain 2000. 6th International Conference on Acidic Deposition, Dec. 2000, The Science Council of Japan etc., Not invited

Cation Exchange and Hydrogeochemical Evolution of Confined Groundwater -The Case Study of Northeastern Osaka Plain, Japan-
Masaru Yamanaka; Takanori Nakano; Norio Tase
Geochemical Society of Japan 2000 Annual Meeting, Sep. 2000, Geochemical Society of Japan, Not invited

大阪平野北東地域における被圧地下水の水質進化とイオン交換について
Maasaru Yamanaka; Takanori Nakano; Norio Tase
Japanese Association of Hydrological Sciences 2000 Meeting, Jun. 2000, Japanese Association of Hydrological Sciences, Not invited

大阪平野北東部地域における被圧地下水の水質形成について
Masaru Yamanaka; Takanori Nakano; Norio Tase
Japanese Association of Hydrological Sciences 1998 Meeting, Jun. 1998, Japanese Association of Hydrological Sciences, Not invited

Japanese Geoscience Union

The Japanese Society of Limnology

The Geochemical Society of Japan

Japanese Association of Hydrological Sciences

Japanese Association of Groundwater Hydrology