Haruyasu Nagai

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Haruyasu Nagai

Publications by authors named "Haruyasu Nagai"

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11Publications

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Impacts of C-uptake by plants on the spatial distribution of C accumulated in vegetation around a nuclear facility-Application of a sophisticated land surface C model to the Rokkasho reprocessing plant, Japan.

J Environ Radioact 2016 Oct 3;162-163:189-204. Epub 2016 Jun 3.

Research Group for Environmental Science, Nuclear Science and Engineering Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan.

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October 2016

Utilization of (134)Cs/(137)Cs in the environment to identify the reactor units that caused atmospheric releases during the Fukushima Daiichi accident.

Sci Rep 2016 08 22;6:31376. Epub 2016 Aug 22.

Sector of Fukushima Research and Development, Japan Atomic Energy Agency, 45-169 Harama-chiku Kaibama sukakeba, Minamisoma City, Fukushima 975-0036, Japan.

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August 2016

Modeling dynamics of (137)Cs in forest surface environments: Application to a contaminated forest site near Fukushima and assessment of potential impacts of soil organic matter interactions.

Sci Total Environ 2016 May 18;551-552:590-604. Epub 2016 Feb 18.

Research Group for Environmental Science, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan.

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May 2016

Comparison of the vertical distributions of Fukushima nuclear accident radiocesium in soil before and after the first rainy season, with physicochemical and mineralogical interpretations.

Sci Total Environ 2013 Mar 5;447:301-14. Epub 2013 Feb 5.

Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency, Tokai-mura, Ibaraki 319-1195, Japan.

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March 2013

Numerical reconstruction of high dose rate zones due to the Fukushima Dai-ichi Nuclear Power Plant accident.

J Environ Radioact 2012 Sep 8;111:2-12. Epub 2011 Oct 8.

Japan Atomic Energy Agency, 2-4 Shirakata-Shirane, Tokai, Ibaraki 319-1195, Japan.

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September 2012

Factors affecting vertical distribution of Fukushima accident-derived radiocesium in soil under different land-use conditions.

Sci Total Environ 2012 Aug 15;431:392-401. Epub 2012 Jun 15.

Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency, Ibaraki 319-1195, Japan.

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August 2012

Importance of root HTO uptake in controlling land-surface tritium dynamics after an-acute HT deposition: a numerical experiment.

J Environ Radioact 2012 Jul 3;109:94-102. Epub 2012 Mar 3.

Research Group for Environmental Science, Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency, 2-4 Shirakata-Shirane, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan.

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July 2012

A land surface ¹⁴C transfer model and numerical experiments on belowground ¹⁴C accumulation and its impact on vegetation ¹⁴C level.

J Environ Radioact 2012 May 23;107:13-22. Epub 2011 Dec 23.

Nuclear Science and Engineering Directorate, Research Group for Environmental Science, Japan Atomic Energy Agency, 2-4 Shirakata-Shirane, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan.

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May 2012

Development and validation of a dynamical atmosphere-vegetation-soil HTO transport and OBT formation model.

J Environ Radioact 2011 Sep 12;102(9):813-23. Epub 2011 Jun 12.

Research Group for Environmental Science, Division of Environment and Radiation, Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency, Japan.

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September 2011