Hiroki Hagiwara

Profile Information

Affiliation: Japan Atomic Energy Agency

Researcher number: 20773914
J-GLOBAL ID: 202101001626318800
researchmap Member ID: R000017872

Research Areas

Natural sciences / Human geoscience /

Awards

Papers

Testing mosses exposed in bags as biointerceptors of airborne radiocaesium after the Fukushima Dai-ichi Nuclear Power Station accident

Di Palma A., Adamo P.*, Dohi Terumi, Fujiwara Kenso, Hagiwara Hiroki, Kitamura Akihiro, Sakoda Akihiro, Sato Kazuhiko, Iijima Kazuki

Chemosphere, 308, Part 1 136179\_1-136179\_13, Dec, 2022 Peer-reviewed
The Formation mechanism of radiocesium-bearing microparticles derived from the Fukushima Daiichi Nuclear Power Plant using electron microscopy

Hagiwara Hiroki, Kondo Keietsu, Hidaka Akihide

Journal of Radioanalytical and Nuclear Chemistry, 331(12) 5905-5914, Dec, 2022 Peer-reviewed
Radiocesium-bearing microparticles cause a large variation in 137Cs activity concentration in the aquatic insect Stenopsyche marmorata (Tricoptera: Stenopsychidae) in the Ota River, Fukushima, Japan

Ishii Yumiko*, Miura Hikaru*, Jo J.*, Tsuji Hideki*, Saito Rie, Koarai Kazuma, Hagiwara Hiroki, Urushidate Tadayuki*, Nishikiori Tatsuhiro*, Wada Toshihiro* …

PLOS ONE (Internet), 17(5) e0268629\_1-e0268629\_17, May, 2022 Peer-reviewed
Characterization of radiocesium-bearing microparticles with different morphologies in soil around the Fukushima Daiichi Nuclear Power Plant

Hagiwara Hiroki, Funaki Hironori, Shiribiki Natsu*, Kanno Marina*, Sanada Yukihisa

Journal of Radioanalytical and Nuclear Chemistry, 331(1) 415-426, Jan, 2022 Peer-reviewed
Impact of extreme typhoon events on the fluvial discharge of particulate radiocesium in Fukushima Prefecture

Nakanishi Takahiro, Oyama Takuya, Hagiwara Hiroki, Sakuma Kazuyuki

Journal of Coastal Research, 114(SI) 310-314, Oct, 2021 Peer-reviewed
Radiocesium distribution in the sediments of the Odaka River estuary, Fukushima, Japan

Hagiwara Hiroki, Nakanishi Takahiro, Konishi Hiromi*, Tsuruta Tadahiko, Misono Toshiharu, Fujiwara Kenso, Kitamura Akihiro

Journal of Environmental Radioactivity, 220-221 106294\_1-106294\_9, Sep, 2020 Peer-reviewed
Mineral composition characteristics of radiocesium sorbed and transported sediments within the Tomioka river basin in Fukushima Prefecture

Hagiwara Hiroki, Konishi Hiromi*, Nakanishi Takahiro, Fujiwara Kenso, Iijima Kazuki, Kitamura Akihiro

Journal of Environmental Radioactivity, 211 106042\_1-106042\_10, Jan, 2020 Peer-reviewed
Dose rate distributions across the flood plains in eastern Fukushima

Nakanishi Takahiro, Oyama Takuya, Hagiwara Hiroki

KEK Proceedings 2017-6, 107-111, Nov, 2017 Peer-reviewed
Deposition of radiocesium on the river flood plains around Fukushima

Saegusa Hiromitsu, Oyama Takuya, Iijima Kazuki, Onoe Hironori, Takeuchi Ryuji, Hagiwara Hiroki

Journal of Environmental Radioactivity, 164 36-46, Nov, 2016 Peer-reviewed
Fate of radiocesium in freshwater aquatic plants and algae in the vicinity of the Fukushima Daiichi Nuclear Power Plant

Sasaki Yoshito, Funaki Hironori, Iri Shatei, Dohi Terumi, Hagiwara Hiroki

Limnology, 17(2) 111-116, Apr, 2016 Peer-reviewed
Hydrochemical disturbances measured in groundwater during the construction and operation of a large-scale underground facility in deep crystalline rock in Japan

Iwatsuki Teruki, Hagiwara Hiroki, Omori Kazuaki, Munemoto Takashi, Onoe Hironori

Environmental Earth Sciences, 74(4) 3041-3057, Aug, 2015 Peer-reviewed
Shallow groundwater intrusion to deeper depths caused by construction and drainage of a large underground facility; Estimation using $^{3}$H, CFCs and SF$_{6}$ as trace materials

Hagiwara Hiroki, Iwatsuki Teruki, Hasegawa Takuma*, Nakata Kotaro*, Tomioka Yuichi*

Nihon Suimon Kagakkai-Shi, 45(2) 21-38, Jul, 2015 Peer-reviewed
Biogeochemical signals from deep microbial life in terrestrial crust

Suzuki Yohei*, Konno Yuta*, Fukuda Akari*, Komatsu Daisuke*, Hirota Akinari*, Watanabe Katsuaki*, Togo Yoko*, Morikawa Noritoshi*, Hagiwara Hiroki, Aosai Daisuke* …

PLOS ONE (Internet), 9(12) e113063\_1-e113063\_20, Dec, 2014 Peer-reviewed
The Behaviour of radiocaesium deposited in an upland reservoir after the Fukushima Nuclear Power Plant accident

Funaki Hironori, Hagiwara Hiroki, Tsuruta Tadahiko

Materials Research Society Symposium Proceedings, Vol.1665, 165-170, Sep, 2014 Peer-reviewed
Hydrochemical changes associated with construction of Mizunami Underground Research Laboratory

Mizuno Takashi, Aosai Daisuke, Shingu Shinya, Hagiwara Hiroki, Yamamoto Yuhei, Fukuda Akari

Nihon Genshiryoku Gakkai Wabun Rombunshi, 12(1) 89-102, Mar, 2013 Peer-reviewed
Black colored sandy sediments caused by bacterial action, and the mechanism for arsenic enrichment of groundwater in Inner Mongolia

H. Hagiwara, J. Akai, K. Terasaki, T. Yoshimura, H. Luo

APPLIED GEOCHEMISTRY, 26(3) 380-393, Mar, 2011 Peer-reviewed
Geomicrobiological properties of ultra-deep granitic groundwater from the Mizunami Underground Research Laboratory (MIU), Central Japan

Fukuda Akari*, Hagiwara Hiroki, Ishimura Toyoho*, Kozuka Mariko*, Ioka Seiichiro*, Amano Yuki, Tsunogai Urumu*, Suzuki Yohei*, Mizuno Takashi

Microbial Ecology, 60(1) 214-225, May, 2010 Peer-reviewed

Misc.

Status of study of long-term assessment of transport of radioactive contaminants in the environment of Fukushima (FY2018) (Translated document)

Nagao Fumiya, Niizato Tadafumi, Sasaki Yoshito, Ito Satomi, Watanabe Takayoshi, Dohi Terumi, Nakanishi Takahiro, Sakuma Kazuyuki, Hagiwara Hiroki, Funaki Hironori …

JAEA-Research 2020-007, 249, Oct, 2020
Status of study of long-term assessment of transport of radioactive contaminants in the environment of Fukushima (FY2018)

Nagao Fumiya, Niizato Tadafumi, Sasaki Yoshito, Ito Satomi, Watanabe Takayoshi, Dohi Terumi, Nakanishi Takahiro, Sakuma Kazuyuki, Hagiwara Hiroki, Funaki Hironori …

JAEA-Research 2019-002, 235, Aug, 2019
Methodology development for colloid investigation in groundwater

Omori Kazuaki, Munemoto Takashi, Hasegawa Takashi, Shingu Shinya*, Hagiwara Hiroki, Iwatsuki Teruki

JAEA-Research 2014-013, 2014(13) 29-2,1-29, Aug, 2014
Mizunami Underground Research Laboratory Project, Annual report for fiscal year 2011

Kunimaru Takanori, Mikake Shinichiro, Nishio Kazuhisa, Tsuruta Tadahiko, Matsuoka Toshiyuki, Ishibashi Masayuki, Sasao Eiji, Hikima Ryoichi, Tanno Takeo, Sanada Hiroyuki …

JAEA-Review 2013-018, 169, Sep, 2013
Hydrochemical investigation at the Mizunami Underground Research Laboratory; Compilation of groundwater chemistry data in Mizunami group and Toki granite (fiscal year 2011)

Omori Kazuaki, Shingu Shinya, Hagiwara Hiroki, Masuda Kaoru*, Iizuka Masatoshi*, Inui Michiharu*, Iwatsuki Teruki

JAEA-Data/Code 2013-001, 330, May, 2013
Hydrochemical investigation at the Mizunami Underground Research Laboratory; Compilation of groundwater chemistry in the Mizunami group and Toki granite (fiscal year 2010)

Shingu Shinya, Hagiwara Hiroki, Masuda Kaoru*, Iizuka Masatoshi*, Inui Michiharu*, Mizuno Takashi

JAEA-Data/Code 2012-003, 50, Jun, 2012
Monitoring of pore water pressure and groundwater chemistry at MSB-2 and MSB-4 boreholes in the MIU construction site; April, 2010 - March, 2011

Hagiwara Hiroki, Shingu Shinya, Kurita Kazuaki*, Eguchi Keita*, Horita Masakuni*, Mizuno Takashi

JAEA-Data/Code 2012-005, 67, Jun, 2012
Mizunami Underground Research Laboratory Project, Annual report for fiscal year 2010

Kunimaru Takanori, Mikake Shinichiro, Nishio Kazuhisa, Tsuruta Tadahiko, Matsuoka Toshiyuki, Ishibashi Masayuki, Ueno Takashi, Tokuyasu Shingo, Daimaru Shuji, Takeuchi Ryuji …

JAEA-Review 2012-020, 178, Jun, 2012
Hydrochemical investigation at the Mizunami Underground Research Laboratory; Compilation of groundwater chemistry in the Mizunami group and Toki granite (fiscal year 2008)

Sai Masataka*, Shingu Shinya, Hagiwara Hiroki, Mizuno Takashi

JAEA-Data/Code 2011-003, 41, Jun, 2011
Hydrochemical investigation at the Mizunami Underground Research Laboratory; Compilation of groundwater chemistry in the Mizunami group and Toki granite (fiscal year 2009)

Shingu Shinya, Sai Masataka*, Hagiwara Hiroki, Mizuno Takashi

JAEA-Data/Code 2011-004, 49, Jun, 2011
Monitoring of pore water pressure and groundwater chemistry at MSB-2 and MSB-4 boreholes in the MIU construction site; April, 2009 - March, 2010

Hagiwara Hiroki, Sai Masataka*, Takeguchi Masato*, Horita Masakuni*, Mizuno Takashi

JAEA-Data/Code 2010-032, 35, Mar, 2011
Hydrochemical investigation at the Mizunami Underground Research Laboratory; Compilation of groundwater chemistry in the Mizunami group and Toki granite area (April, 2004 - March, 2008)

Sai Masataka, Hagiwara Hiroki, Matsushima Hiroyuki*, Noda Masatoshi*, Noda Masaru*, Ando Kenichi*, Tanaka Tatsuya*, Ueda Tadashi*, Honda Yuko*, Mizuno Takashi

JAEA-Data/Code 2010-010, 75, Sep, 2010
Monitoring of pore water pressure and groundwater chemistry at MSB-2 and MSB-4 boreholes; April, 2007 - March, 2008

Sai Masataka, Hagiwara Hiroki, Takeguchi Naoto*, Yasue Motoi*, Horita Masakuni*, Mizuno Takashi

JAEA-Data/Code 2010-007, 191, Jun, 2010
Monitoring of pore water pressure and groundwater chemistry at MSB-2 and MSB-4 boreholes; April, 2008 - March, 2009

Sai Masataka, Hagiwara Hiroki, Ishihara Eiji*, Horita Masakuni*, Mizuno Takashi

JAEA-Data/Code 2010-008, 158, Jun, 2010
Monitoring of pore water pressure and groundwater chemistry at MSB-2 and MSB-4 boreholes; April, 2006 - March, 2007

Hagiwara Hiroki, Mizuno Takashi, Sai Masataka, Takeguchi Naoto*, Yasue Motoi*, Horita Masakuni*, Hama Katsuhiro

JAEA-Data/Code 2009-017, 200, Jan, 2010

Presentations

Study on tracking for radioactive particles originated from Fukushima Daiichi Nuclear Power Plant accident at Hokuriku region

Hagiwara Hiroki, Ishimori Yuu, Yoshida Keisuke, Nakano Masanao, Tsunokawa Shoji, Yamashita Masahiro

金沢大学環日本海域環境研究センター2023年度共同研究成果報告会
Characterization of radiocesium sorbing minerals within river sediments

Hagiwara Hiroki, Watanabe Yusuke

令和5年度環境創造センター成果報告会
Characterization of radiocesium sorbing minerals within river basin

Hagiwara Hiroki

令和4年度環境創造センター成果報告会
Study of absorption characterization of radiocesium for environmental mineral; Possibility of absorption in amphibole and feldspars

Hagiwara Hiroki, Konishi Hiromi*

日本鉱物科学会2021年年会
Novel application of mosses transplanted in bags as biointerceptors of airborne radioactive dusts after the Fukushima Dai-ichi Nuclear Power Station accident

Di Palma A.*, Adamo P.*, Dohi Terumi, Fujiwara Kenso, Hagiwara Hiroki, Iijima Kazuki

European Geosciences Union General Assembly 2021 (vEGU 2021)
Estimation of the radiocaesium particle fraction in suspended sediment in river waters

Takeuchi Yukio*, Taniguchi Keisuke*, Arai Hirotsugu*, Yoshita Hirofumi*, Fujita Kazuki*, Takahashi Yusuke*, Kuramoto Takayuki*, Nomura Naoki*, Hagiwara Hiroki, Dohi Terumi, Hayashi Seiji*, Aono Tatsuo*

第21回環境放射能研究会
Mineralogical study of transporting radiocesium sorbed media

Hagiwara Hiroki, Konishi Hiromi*

放射能環境動態・影響評価ネットワーク共同研究拠点2019年度年次報告会
Similarity of composition between silicate glass of the Type A insoluble Cs particles and filters of stand-by gas treatment system line in Unit 3

Hagiwara Hiroki, Imoto Jumpei, Hidaka Akihide

日本原子力学会2019年秋の大会
Mineralogical characteristics of sediments transporting radiocesium within river basin

Hagiwara Hiroki

令和元年度環境創造センター成果報告会
What is the transport media of radiocaesium within river basin?

Hagiwara Hiroki, Konishi Hiromi*, Nakanishi Takahiro, Fujiwara Kenso, Iijima Kazuki

日本鉱物科学会2018年年会
Origin of atmospheric particle matter captured near at the location where Namie-city forest fire has occurred

Ishii Yasuo, Muto Kotomi, Hagiwara Hiroki, Ito Shoichi*, Takahashi Makoto*, Tagomori Hisaya, Dohi Terumi, Kitamura Akihiro

第19回環境放射能研究会
Application of the rapid analytical method for $^{90}$Sr to environmental samples with online solid phase extraction/ICP-MS

Hagiwara Hiroki, Yanagisawa Kayo*, Kuwata Haruka*, Tanabe Tsutomu, Uezu Yasuhiro

日本分析化学会関東支部第14回茨城地区分析技術交流会
Rapid analytical method for OBT in marine products

Kuwata Haruka*, Hagiwara Hiroki, Yanagisawa Kayo*, Manabe Sachi*, Takeishi Minoru, Watanabe Hitoshi, Uezu Yasuhiro

6th OBT Workshop (OBT 2017)
Study on the analysis method for radioactive strontium in environmental samples by ICP-MS with online solid phase extraction

Yanagisawa Kayo*, Kuwata Haruka*, Hagiwara Hiroki, Uezu Yasuhiro

日本原子力学会2017年秋の大会
Rapid analytical method for OBT in marine products

Kuwata Haruka*, Hagiwara Hiroki, Yanagisawa Kayo, Manabe Sachi*, Takeishi Minoru, Watanabe Hitoshi, Uezu Yasuhiro

日本保健物理学会第50回研究発表会/日本放射線安全管理学会第16回学術大会合同大会
Shallow groundwater intrusion to deeper depths caused by construction and drainage of a large underground facility; Estimation using $^{3}$H, CFCs and SF$_{6}$ as trace materials

Hagiwara Hiroki, Iwatsuki Teruki, Hasegawa Takuma*, Nakata Kotaro*, Tomioka Yuichi*

2016年度日本水文科学会学術大会
Radiation dose distribution of mountainous area around the Fukushima Daiichi Nuclear Power Plant, 1; Field investigation

Dohi Terumi, Fujiwara Kenso, Kikuchi Naoyuki, Hagiwara Hiroki, Iijima Kazuki

日本原子力学会2016年秋の大会
Long-term assessment of transport of radioactive contaminant in the environment of Fukushima (F-TRACE project), 18; Migration behavior of radioactive cesium in a river system in eastern Fukushima

Nakanishi Takahiro, Hagiwara Hiroki

日本原子力学会2016年秋の大会
The Characteristics of transport of radiocaesium in the river system of Fukushima Prefecture and future issues

Hagiwara Hiroki, Akai Junji*

第70回地学団体研究会総会
The Investigation research for transporting of radiocaesium at Fukushima prefecture

Hagiwara Hiroki, Akai Junji*

第70回地学団体研究会; 小川町総会シンポジウムII「原発関連」プレシンポジウム

Research Projects

ストロンチウムを含むガラス質粒子の形成過程の解明

若手研究

萩原大樹

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