Affiliation: Japan Atomic Energy Agency
- Factors controlling mobility of 127I and 129I species in an acidic groundwater plume at the Savannah River SiteShigeyoshi Otosaka
Laboratory for Oceanographic and Environmental Research, Department of Marine Sciences, Texas A and M University, Building 3029, 200 Seawolf Parkway, Galveston, TX 77553, USA
Sci Total Environ 409:3857-65. 2011..We concluded that removal of iodine from the groundwater through the formation of high molecular weight organo-iodine species is complicated by the release of other more mobile organo-iodine species in the groundwater...
- Radiocesium derived from the Fukushima Daiichi Nuclear Power Plant accident in seabed sediments: initial deposition and inventoriesShigeyoshi Otosaka
Research Group for Environmental Sciences, Japan Atomic Energy Agency, Tokai mura, Ibaraki 319 1195, Japan
Environ Sci Process Impacts 16:978-90. 2014..Although rivers are also an important source to supply radiocesium to the coastal regions, this flux was much lower than that of the above-mentioned process within half a year after the accident...
- Sedimentation and remobilization of radiocesium in the coastal area of Ibaraki, 70 km south of the Fukushima Dai-ichi Nuclear Power PlantShigeyoshi Otosaka
Research Group for Environmental Science, Japan Atomic Energy Agency, Tokai mura, Ibaraki, Japan
Environ Monit Assess 185:5419-33. 2013..These results indicate that radiocesium-enriched fine particles were transported from the coast to offshore regions through the bottom high-turbidity layer...
- Anthropogenic radionuclides in sediment in the Japan Sea: distribution and transport processes of particulate radionuclidesS Otosaka
Marine Research Laboratory, Japan Atomic Energy Research Institute, 4 24, Minato Machi, Mutsu, Aomori, Japan
J Environ Radioact 91:128-45. 2006..In the southern Japan Sea, observations suggested that supply of particulate radionuclides by the Tsushima Warm Current mainly enhanced accumulation of the radionuclides in this region...
- Bacterial production of organic acids enhances H2O2-dependent iodide oxidationHsiu Ping Li
Department of Marine Sciences, Texas A and M University, Galveston, Texas 77551, USA
Environ Sci Technol 46:4837-44. 2012..The results reveal an indirect microbial mechanism, organic acid secretion coupled to H(2)O(2) production, that could enhance iodide oxidation and organo-iodine formation in soils and sediments...
- Sequestration and remobilization of radioiodine (129I) by soil organic matter and possible consequences of the remedial action at Savannah River SiteChen Xu
Laboratory for Environmental and Oceanographic Research, Department of Marine Sciences, Texas A and M University, Building 3029, Galveston, Texas 77551, United States
Environ Sci Technol 45:9975-83. 2011..Generally the riparian zone provides as a natural attenuation zone that greatly reduces radioiodine release...
- Collection of lanthanides and actinides from natural waters with conventional and nanoporous sorbentsBryce E Johnson
Department of Marine Science, Texas A and M University, Galveston, Texas 77553, USA
Environ Sci Technol 46:11251-8. 2012..Other conventional sorbents typically performed at levels below the nanostructured sorbents and demonstrate a larger variability and matrix dependency...