A large-scale environmental monitoring, construction of detailed contamination maps based on the monitoring data, studies on radiocesium migration in natural environments, construction of a prediction model on air dose rate distribution in the 80 km zone, and a construction of a database to securely keep and open obtained data have been implemented as national projects. Temporal changes in contamination conditions were analyzed. It was found that air dose rates above roads have decreased much faster than those above undisturbed flat fields. Further, the decreasing tendency was found to depend on land uses, magnitudes of initial dose rates and some other factors.
Language |
: | English |
|---|---|---|
Journal |
: | |
Volume |
: | 160 |
Number |
: | 4 |
Pages |
: | p.283 - 287 |
Publication Year/Month |
: | 2014/08 |
Paper URL |
: |
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Keywords |
: | 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident |
Article of JAEA R&D Review |
: | Why Have Air Dose Rates Decreased with Time?; Depth Distributions of Radioactive Cesium in Soils[ |
Cooperating Institute |
: |
Accesses |
: |
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InCites™ |
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Percentile:36.96 Category:Environmental Sciences |
Altmetrics |
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