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Journal Articles

Impacts of C-uptake by plants on the spatial distribution of $$^{14}$$C accumulated in vegetation around a nuclear facility; Application of a sophisticated land surface $$^{14}$$C model to the Rokkasho reprocessing plant, Japan

Ota, Masakazu; Katata, Genki; Nagai, Haruyasu; Terada, Hiroaki

Journal of Environmental Radioactivity, 162-163, p.189 - 204, 2016/10

 Times Cited Count:4 Percentile:75.06(Environmental Sciences)

Impacts of plant C uptake on ($$^{14}$$C) distributions around a nuclear facility were investigated by a land surface $$^{14}$$C model (SOLVEG-II). The simulation combined the SOLVEG-II with a mesoscale model and an dispersion model was applied to $$^{14}$$CO$$_{2}$$ transfer at test operations of the Rokkasho reprocessing plant (RRP) in 2007. The calculated $$^{14}$$C-specific activities in rice grains agreed with the observations. Numerical experiment of chronic $$^{14}$$CO$$_{2}$$ release from the RRP showed that $$^{14}$$C-specific activities of rice plants at harvest differed from the annual mean ones in the air, which was attributed to seasonal variations in atmospheric $$^{14}$$CO$$_{2}$$ and plant growth. $$^{14}$$C accumulation in plant significantly increased when $$^{14}$$CO$$_{2}$$ releases were limited during daytime, compared with the results observed during nighttime, due to extensive $$^{14}$$CO$$_{2}$$ uptake by daytime photosynthesis. These results indicated that plant growth and photosynthesis should be considered in predictions of ingestion dose of $$^{14}$$C for long-term chronic and short-term diurnal releases of $$^{14}$$CO$$_{2}$$, respectively.

Journal Articles

Study on gaseous effluent treatment for dissolution step of spent nuclear fuel reprocessing

Mineo, Hideaki; Iizuka, Masaru*; Fujisaki, Susumu; Hotoku, Shinobu; Asakura, Toshihide; Uchiyama, Gunzo

Proceeding of International Waste Management Symposium 2002 (WM '02) (CD-ROM), 9 Pages, 2002/00

no abstracts in English

JAEA Reports

None

JNC-TN1400 2000-001, 371 Pages, 2000/01

JNC-TN1400-2000-001.pdf:12.26MB

no abstracts in English

Journal Articles

Study on gaseous effluent treatment during dissolusion tests of spent fuel

Mineo, Hideaki; Kihara, Takehiro; *; ; *; ; Uchiyama, Gunzo; Hotoku, Shinobu; ; ; et al.

Proceedings of International Waste Management Symposium '99 (Waste Manegement '99) (CD-ROM), 6 Pages, 1999/03

no abstracts in English

JAEA Reports

None

PNC-TJ1309 98-001, 161 Pages, 1998/02

PNC-TJ1309-98-001.pdf:5.01MB

no abstracts in English

JAEA Reports

None

PNC-TJ1309 97-001, 112 Pages, 1997/03

PNC-TJ1309-97-001.pdf:3.5MB

no abstracts in English

JAEA Reports

None

Ishida, Junichiro; ; ; ;

PNC-TN8440 96-008, 183 Pages, 1996/03

PNC-TN8440-96-008.pdf:12.79MB

None

JAEA Reports

None

*; *; *; *; *

PNC-TJ1564 96-002, 19 Pages, 1996/03

PNC-TJ1564-96-002.pdf:0.57MB

None

JAEA Reports

None

*

PNC-TJ1309 96-001, 113 Pages, 1996/03

PNC-TJ1309-96-001.pdf:3.42MB

no abstracts in English

Journal Articles

Study on water circulation and radionuclide transfer in an atmosphere-soil-vegetation system

Yamazawa, Hiromi; Amano, Hikaru

Genshiryoku Kogyo, 42(8), p.49 - 53, 1996/00

no abstracts in English

JAEA Reports

None

*; ; ;

PNC-TN8410 95-010, 40 Pages, 1995/03

PNC-TN8410-95-010.pdf:1.35MB

None

JAEA Reports

None

PNC-TJ1564 95-001, 171 Pages, 1995/03

PNC-TJ1564-95-001.pdf:5.35MB

None

JAEA Reports

None

; ; Yui, Mikazu

PNC-TN8410 94-241, 53 Pages, 1994/07

PNC-TN8410-94-241.pdf:1.34MB

None

JAEA Reports

None

PNC-TJ1545 94-002, 139 Pages, 1994/03

PNC-TJ1545-94-002.pdf:4.33MB

no abstracts in English

JAEA Reports

None

Mukai, Satoru*; *; *

PNC-TJ1214 94-008, 137 Pages, 1994/03

PNC-TJ1214-94-008.pdf:1.9MB

None

JAEA Reports

None

; ; ;

PNC-TN8450 93-005, 14 Pages, 1993/06

PNC-TN8450-93-005.pdf:1.25MB

None

JAEA Reports

None

PNC-TJ1545 93-004, 122 Pages, 1993/03

PNC-TJ1545-93-004.pdf:4.76MB

None

JAEA Reports

None

; ; ; ;

PNC-TN8410 92-063, 38 Pages, 1992/03

PNC-TN8410-92-063.pdf:0.92MB

None

JAEA Reports

None

PNC-TN1410 92-035, 111 Pages, 1992/01

PNC-TN1410-92-035.pdf:3.8MB

no abstracts in English

JAEA Reports

None

PNC-TN8020 91-003, 49 Pages, 1990/12

PNC-TN8020-91-003.pdf:1.18MB

no abstracts in English

22 (Records 1-20 displayed on this page)