Atmospheric concentration of 210Pb at Beijing and Chengdu, the People's Republic of China.
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Accession number;01A0231220
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| Title;Atmospheric concentration of 210Pb at Beijing and Chengdu, the People's Republic of China. |
| Author;
SATO SHIN
(Meiji Univ., Sch. of Sci. and Technol.)
DOI TAEKO
(National Inst. Environmental Studies)
SATO JUN
(Meiji Univ., Sch. of Sci. and Technol.)
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Journal Title;Abstracts of Papers. Symposium on Radiochemistry
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Journal Code:F0139B
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ISSN:1345-2762
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VOL.44th;NO.;PAGE.63(2000)
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| Figure&Table&Reference; |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;Atmospheric concentrations of 210Pb were observed in the eastern area of the People's Republic of China with aerosolsamples. Observations were carried out intermittently during the period from April, 1989 to December, 1992 at Beijing and Chengdu. The atmospheric concentrations of 210Pb ranged from 0.9 to 4.6 mBq/m3 at Beijing and from 1.4 to 7.8 mBq/m3 at Chengdu, respectively, which were in the similar level to those observed previously in the inland area of the Chinese Continent. Seasonal variations of the 210Pb concentration show the "one-peak" variation pattern: the maximum le vels were recorded in winter season. Small additional rises in the atmospheric 210Pb concentrations observed in the period from spring to autumn seasons may be due to complicated meteorology with highpressure systems at Beijing and due to the topographical situation at Chengdu. (author abst.) |
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