Fujiyoshi Ryoko

フジヨシリョウコ | Fujiyoshi Ryoko

Affiliation and department：
Job title： Associate Professor
Homepage URL (2)： http://labs.ist.hokudai.ac.jp/labo/qsre/QSciEngjp , http://www.eng.hokudai.ac.jp/labo/qsre/QSciEngjp

Research field (4)： Green/sustainable/environmental chemistry , Environmental dynamics , Environmental effects of chemicals , Environmental effects of radiation

Research keywords (10)：放射能分析 , 土壌 , 環境放射性核種 , 放射化学 , 地球化学 , Radioanalysis , Radionuclides , soil , Environmental radionuclides , Radiochemistry

Research theme for competitive and other funds (6)：

2005 - 土壌空気中のCO2の起源
2005 - Tracing CO2 sources in soil air
2003 - 土壌中のラドン
2003 - Radon in soil gas
1999 - 土壌中の環境放射性核種の分布

Show all

Papers (12)：

FUJIYOSHI Ryoko. Downward migration of 137Cs within the humus layer under temperate coniferous stands in the Czech Republic. J. Soils Sed. 2017. pp1-pp11
Shunsuke Takahashi, Ivan Suchara, Kazumasa Okamoto, Julie Sucharova, Kikuo Umegaki, Ryoko Fujiyoshi. Retention of Cs-137 in forest floor at three temperate coniferous forest stands in the Czech Republic diversely affected by fallout after the Chernobyl disaster in 1986. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY. 2017. 311. 1. 929-935
Misato Ohno, Kazumasa Okamoto, Kikuo Umegaki, Ryoko Fujiyoshi. Results of simultaneous monitoring of soil Rn-222 and moisture at different depths in a forest site in Fukushima Prefecture, Japan. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY. 2016. 310. 3. 1013-1020
Bor Krajnc, Ryoko Fujiyoshi, Janja Vaupotic, Hikaru Amano, Yousuke Sakuta, Asta Gregoric, Nives Ogrinc. Using Rn-222 and carbon isotopes (C-12, C-13 and C-14) to determine CO2 sources in forest soils developed on contrasting geology in Slovenia. ENVIRONMENTAL EARTH SCIENCES. 2016. 75. 13. 1068-1075
Ryoko Fujiyoshi, Misato Ohno, Kazumasa Okamoto, Kikuo Umegaki. Soil radon (Rn-222) monitoring in a forest site in Fukushima, Japan. ENVIRONMENTAL EARTH SCIENCES. 2015. 73. 8. 4135-4142

ｍore...

MISC (19)：

Ryoko Fujiyoshi, Takayuki Yamaguchi, Naoki Takekoshi, Kazumasa Okamoto, Takashi Sumiyoshi, Ivan Kobal, Janja Vaupotic. Tracing depositional consequences of environmental radionuclides (Cs-137 and Pb-210) in Slovenian forest soils. CENTRAL EUROPEAN JOURNAL OF GEOSCIENCES. 2011. 3. 3. 291-301
Practical evaluation of carbon sources of forest soil in Slovenia from stable and radio-carbon isotope measurements. Environmental Earth Sciences. 2011. DOI 10.1007/s12665-011-1486-x
Ryoko Fujiyoshi, Yoshihiro Satake, Takashi Sumiyoshi. Depth profiles of potassium and its isotope ratio (K-40/K) in several forest soils. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY. 2009. 281. 3. 553-561
R. Fujiyoshi, Y. Satake, T. Sato, T. Sumiyoshi, J. Dietz, R. Zimmermann. Natural and anthropogenic consequences of tropical forest soils in Northern Peru using environmental radionuclides as radiotracers. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY. 2009. 279. 2. 509-518
Tracing the sources of gaseous components (222Rn, CO2 and its carbon isotopes) in soil air under a cool-deciduous stand in Sapporo, Japan. Environmental Geochemistry and Health. 2009. 1-10

ｍore...

Works (2)：

高ラドン地域における森林土壌の環境放射性核種による特性検討
2008 -
Investigation of soil properties using environmental radionuclides in the semi-natural forests at radon-prone area in Slovenia
2008 -

Education (2)：

- 1980 Nagoya University
- 1980 Nagoya University Graduate School, Division of Natural Science

Professional career (1)：

理学博士

Work history (3)：

1989 - 2007 Hokkaido University Graduate School of Engineering
1989 - 2007 Research Associate,Graduate School of Engineering, Hokkaido University
2007 - - 北海道大学大学院工学研究院准教授

Committee career (1)：

2009 - 現在日本分析化学会北海道支部幹事

Association Membership(s) (4)：

日本分析化学会 , 日本原子力学会 , 日本アイソトープ協会 , 日本化学会

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page