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Environ Sci Technol
July 2024
Xi'an AMS Center, State Key Laboratory of Loess and Quaternary Geology, Shaanxi Key Laboratory of AMS Technology and Application, Institute of Earth Environment, CAS, Xi'an 710061, China.
As the number of coastal nuclear facilities rapidly increases and the wastewater from the Fukushima Nuclear Plant has been discharged into the Pacific Ocean, the nuclear environmental safety of China's marginal seas is gaining increased attention along with the heightened potential risk of nuclear accidents. However, insufficient work limits our understanding of the impact of human nuclear activities on the Yellow Sea (YS) and the assessment of their environmental process. This study first reports the I and I records of posthuman nuclear activities in the two YS sediments.
View Article and Find Full Text PDFEnviron Sci Technol
December 2023
Xi'an AMS Center, State Key Laboratory of Loess and Quaternary Geology, Shaanxi Key Laboratory of AMS Technology and Application, Institute of Earth Environment, CAS, Xi'an 710061, China.
Iodine is a crucial nutrient for public health, and its presence in the terrestrial atmosphere is a key factor in determining the prevalence of iodine deficiency disorders. While oceanic iodine emissions decrease at lower sea surface temperatures, the primary contributors to atmospheric iodine can vary from oceanic sources in the summer to other sources in winter. However, the specific sources and their respective contributions have remained unexplored.
View Article and Find Full Text PDFWater Res
October 2022
Department of Geosciences, United Arab Emirates University, P.O Box 15551, Al Ain, UAE. Electronic address:
Radioactive iodine-129 has been released from the La Hague nuclear fuel reprocessing facility (NRF) into the English Channel, but the distribution and transformation of the isotope species, and environmental consequences have not been fully characterized in the Channel. Here we present data on iodine isotopes (I and I) species in surface water of the English Channel and the southern Celtic Sea. Compared to I species, the concentrations of I and IO show more variations, but iodate is the major species for both I and I.
View Article and Find Full Text PDFJ Environ Radioact
December 2022
Tampere University, Pohjoisranta 11 A, FI-28100, Pori, Finland; EnviroCase, Ltd., Käppärätie 9 A 18, FI-28120, Pori, Finland.
Geological disposal of radioactive waste has been recognized as the 'reference solution' to ensure the safety required for the present and future society and environment. To study the possible exposure pathways from groundwater to humans, radioactive transport modelling is used. One of the ecosystems that may play a significant role when assessing the dose conversion factor (i.
View Article and Find Full Text PDFInorg Chem
September 2022
School of Environmental and Material Engineering, Yantai University, Yantai 264005, P. R. China.
Radioactive iodine (I and I), produced or released from nuclear-related activities, posed severe effects on both human health and environment. The efficient removal of radioiodine from aqueous medium and vapor phase is of paramount importance for the sustainable development of nuclear energy. Herein, a metal-organic framework (MOF) nanosheet with a positive charge was constructed for the capture of iodine for the first time.
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