Sulfate aerosol as a potential transport medium of radiocesium from the Fukushima nuclear accident.
作者： Naoki Kaneyasu , Hideo Ohashi , Fumie Suzuki , Tomoaki Okuda , Fumikazu Ikemori
DOI: 10.1021/ES204667H
关键词: Atmosphere 、 Radionuclide 、 Contamination 、 Aerosol 、 Fukushima Nuclear Accident 、 Transport medium 、 Sulfate 、 Radiochemistry 、 Sulfate aerosol 、 Chemistry
摘要: To date, areas contaminated by radionuclides discharged from the Fukushima Dai-ichi nuclear power plant accident have been mapped in detail. However, size of and their mixing state with other aerosol components, which are critical removal atmosphere, not yet revealed. We measured activity distributions 134Cs 137Cs aerosols collected 47 days after at Tsukuba, Japan, found that median aerodynamic diameters first sample (April 28–May 12) were 0.54 0.53 μm, respectively, those second (May 12–26) both 0.63 μm. The these radiocesium within accumulation mode range almost overlapped mass distribution non-sea-salt sulfate aerosol. From analysis we was potential transport medium for radionuclides, resuspended soil particles attached radion...
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