Radioecological study of strontium-90 in Osaka district, Japan
Journal Article
·
· Bull. Univ. Osaka Prefect., Ser. A, v. 21, no. 2, pp. 331-338
OSTI ID:4341514
Studies were uadertaken to clarify the monthly depositions and vertical distributions of /sup 90/Sr in soils and runoff of /sup 90/Sr by river to sea. In Osaka Prefecture, monthly depositions of /sup 90/Sr were determined during 1963 to 1970. From 1958 to 1968, annual variations of /sup 90/Sr concentration in the waters of the Yodogawa and Yamatogawa Rivers were shown, and the maximum value (1.5 mu mu c/l) of /sup 90/Sr concentrations in waters was found in 1963. From 1963 to 1968, 74 to 79% of total /sup 90/Sr in undisturbed soils was included in depth 0 to 6 cm. /sup 90/Sr concentration in river water is given by C = 0.5 R + 0.01 D, where C is /sup 90/Sr concentration ( mu mu c/l) in river water, R is the amount of /sup 90/Sr deposition (mCi/km/sup 2/) during three months before sampling of water, and D is that of cumulative grouad deposit (mCi/ km/sup 2/) of /sup 90/Sr before sampling of water. (JA)
- Research Organization:
- Osaka Prefectural Univ., Sakai, Japan
- NSA Number:
- NSA-29-015632
- OSTI ID:
- 4341514
- Journal Information:
- Bull. Univ. Osaka Prefect., Ser. A, v. 21, no. 2, pp. 331-338, Journal Name: Bull. Univ. Osaka Prefect., Ser. A, v. 21, no. 2, pp. 331-338; ISSN BSKAA
- Country of Publication:
- Japan
- Language:
- English
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Related Subjects
*JAPAN-- RADIOECOLOGY
*RIVERS-- RADIATION MONITORING
*SEAS-- RADIATION MONITORING
*SOILS-- RADIATION MONITORING
*STRONTIUM 90-- RADIATION MONITORING
DEPOSITION
N44320* --Environmental & Earth Sciences--Radioactivity Monitoring & Transport--Soil
N44330 --Environmental & Earth Sciences--Radioactivity Monitoring & Transport--Water
RADIOECOLOGICAL CONCENTRATION
*RIVERS-- RADIATION MONITORING
*SEAS-- RADIATION MONITORING
*SOILS-- RADIATION MONITORING
*STRONTIUM 90-- RADIATION MONITORING
DEPOSITION
N44320* --Environmental & Earth Sciences--Radioactivity Monitoring & Transport--Soil
N44330 --Environmental & Earth Sciences--Radioactivity Monitoring & Transport--Water
RADIOECOLOGICAL CONCENTRATION