Inter-site comparison of radiocesium flux via litterfall more than a decade after the Fukushima nuclear accident [0.03%]
福岛核事故后十余年不同地点通过凋落物的放射性铯通量对比研究
Wataru Sakashita,Satoru Miura,Yoshiki Shinomiya
Wataru Sakashita
To accurately predict the long-term dynamics of radiocesium (137Cs) in forests contaminated by the nuclear accident, it is important to monitor 137Cs fluxes in forest ecosystems more than ten years after the accident. Among these fluxes, 13...
Egor I Kaygorodov,Petr S Miklyaev,Tatiana B Petrova
Egor I Kaygorodov
Radon in buildings is the second most significant risk factor for lung cancer after smoking. Indoor radon concentrations are largely controlled by so-called geogenic radon, which forms in soils and rocks containing radium-226. Mapping the g...
238U and 234U relationships in groundwater of Itararé Group, São Paulo State, Brazil [0.03%]
巴西圣保罗州伊塔拉雷群地下水中的铀-238和铀-234关系研究
Carlos Pinto Fracalossi,Peter Christian Hackspacher,Daniel Marcos Bonotto
Carlos Pinto Fracalossi
This paper describes a novel database for the dissolved uranium concentration and 234U/238U activity ratio (AR) in groundwater samples (16), with a focus on those occurring in the Itararé Group in São Paulo State, Brazil. Such a geologica...
Origin of an elevated radioxenon episode: A comparative study between the Swedish radioxenon array and the CTBT International Monitoring System [0.03%]
瑞典放射性氙同位素阵列与 Comprehensive Test Ban Treaty 国际监测系统对一次异常的放射性氙同位素事件的来源分析及比较研究
Sofie Liljegren,J Ole Ross,Sofia Brander
Sofie Liljegren
Between late November and early December 2022, large airborne activity concentrations of radioxenon were detected by multiple stations in the CTBT International Monitoring System (IMS) and the Swedish radioxenon array, which consisted of fo...
Tritium baseline concentration and the origins of water and solute in precipitation elucidated from monthly data in Osaka, Japan [0.03%]
基于大阪月数据的降水溶质和水分来源及氚背景值研究
Chonlada Pitakchaianan,Kanyanan Kosinarkaranun,Pantiwa Kumsut et al.
Chonlada Pitakchaianan et al.
This research aimed to establish current baseline level of tritium in precipitation in Osaka, Japan, and to investigate their seasonal behavior in relation to stable hydrogen and oxygen isotope compositions and major chemical components. Mo...
Evidence of Fukushima fallout in the area affected by wildfires in Kamaishi (Iwate Prefecture, Tohoku Region, Japan): Implications for future environmental research using radionuclide tracers [0.03%]
日本东北地区岩手县鹿石市受森林野火影响地区的福岛核污染证据:对未来环境研究使用放射性示踪剂的启示
Olivier Evrard,Naoya Takahashi,Hotaka Sato et al.
Olivier Evrard et al.
Significant deposition of radiocesium including 134Cs and 137Cs occurred in March 2011 following the Fukushima nuclear accident across vast regions of Northeastern Japan. However, as most studies focused on fallout that took place in the Fu...
Spatiotemporal variations and environmental behavior of activity concentrations of natural and artificial radionuclides in soils of Fukuoka, Japan (1980-2019) [0.03%]
日本福冈土壤中天然及人工放射性核素活度浓度的时空变化及环境行为(1980-2019)
Yukinori Narazaki,Akihiro Sakoda,Yoichi Ishikawa et al.
Yukinori Narazaki et al.
The distribution of ambient radiation dose rates and radionuclide activity concentrations in soil was clarified over a wide area of Fukuoka Prefecture, located in western Japan, as of 2019. Locations with ambient radiation dose rates exceed...
Assessment of radon and carrier gases in an underground gold mining company in Ghana [0.03%]
加纳地下金矿公司氡和载气的评估
Rita Kpordzro,Francis Otoo,Oscar K Adukpo et al.
Rita Kpordzro et al.
Previous studies in Ghanaian mines have largely focused on radon concentration and associated health risk, with limited investigation into the role of carrier gases that influence radon transport from bedrock. This study evaluates radon (22...
Downscaled simulation approach for near-field nuclear facility pollutant atmospheric transport and dispersion using a coupled WRF-CFD downscaling model framework [0.03%]
基于耦合WRF-CFD降尺度框架的近距核设施大气污染物输运和扩散模拟方法研究
Zhengming Li,Yongjun Ye,Xinyu Liu et al.
Zhengming Li et al.
Nuclear facilities can release radioactive pollutants into the atmosphere during daily operations and accidents. These pollutants are transported and dispersed through atmospheric processes, eventually depositing on the surface and posing p...
Uranium and thorium levels in urine and hair of coal miners and local residents in Shanxi, China [0.03%]
中国山西省煤矿工人和当地居民的尿液和头发中铀和钍含量水平
Yuhan Xie,Yuxin Qian,Yao Zhang et al.
Yuhan Xie et al.
Uranium and thorium are naturally occurring radionuclides that may pose health risks when released into the environment through coal mining activities. This study aimed to investigate the levels of uranium and thorium exposure among coal mi...