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Spatial variability of fallout-137Cs in the soil of a cultivated field.
Environ. Monit. Assess. 8, 93-101 (1987)
To obtain information on the spatial variability of fallout 137Cs in the soil of a small area, the activity concentration of this radionuclide was determined in 100 soil samples, taken along the two diagonals of a cultivated field (150 x 100 m). The results show that the spatial distribution of 137Cs in this field is at random. The frequency distribution of the values is skewed to the right, but not log-normal. The median activity concentration observed was 7.45 Bq kg-1 dry soil, the values ranging from 4.8 - 15 Bq kg-1. The spatial variability, as characterized by the relative decile deviation was 26%. If one tolerates for the establishment of baselines of global fallout 137Cs in the soil an error in the mean activity concentration of 10% (20%) at the 95% confidence level, the minimum number of soil samples to be taken can be estimated as 14 (4). The total deposition of 137Cs on the soil surface by fallout was determined as 3.3±0.4 kBq m-2.
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Anmerkungen
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Sprache
englisch
Veröffentlichungsjahr
1987
HGF-Berichtsjahr
0
ISSN (print) / ISBN
0167-6369
e-ISSN
1573-2959
Zeitschrift
Environmental Monitoring and Assessment
Quellenangaben
Band: 8,
Heft: 1,
Seiten: 93-101
Verlag
Springer
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Radiation Protection (ISS)
Scopus ID
0023119435
Erfassungsdatum
1987-12-31