Contribution of 137Cs-enriched particles to radiocesium concentrations in seafloor sediment: Reconnaissance experiment.
basic_science · Level V
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- Record sourced from PubMed, PMID 30235303.
- Also identified by DOI 10.1371/journal.pone.0204289 and PMC identifier 6147502.
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Abstract
Autoradiography was used to detect 137Cs-enriched particles in sediment samples. The contributions of 137Cs-enriched particles to 137Cs concentrations in sediment samples ranged from 9% to 64%. These experiments revealed that the variability of 137Cs concentrations was due mainly to the heterogeneous distribution of 137Cs-enriched particles in the samples. Therefore, the heterogeneous distribution of 137Cs-enriched particles is probably one of the main factors responsible for the temporal and spatial variations of 137Cs concentrations in sediment samples.
Medical subject headings
- Cesium Radioisotopes
- Geologic Sediments