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A Study on the Sediment Transport using Radioisotope Tracer  

Choi Byung-Jong (한국원자력연구소 동위원소연구부)
Jung Sung-Hee (국원자력연구소 동위원소연구부)
Kim Jong-Bum (국원자력연구소 동위원소연구부)
Lee Jong-Sup (부경대학교 건설공학부)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.16, no.3, 2004 , pp. 162-170 More about this Journal
Abstract
On the basis of the radiotracer technology and the related equipments which have been developed for its industrial application through the nuclear long-term research project, a radiotracer study on sediment transport was carried out as a part of the development of the radiotracer technology for a coastal environment. The crystalline material doped with iridium having a similar composition and specific gravity as those of the bedload sand collected from the research area was produced by the oxide-route method. A radioisotope container was specially designed to inject the radiotracer from 1 m above the sea bedload without radioactive contamination during the transport from the nuclear reactor at KAERI. The position data from the DGPS and the radiation measurement data were collected concurrently and stored by means of the application software programmed with the LabVIEW of the National Instrument. The position data was reprocessed to represent the real position of the radiation probe under water and not that of the DGPS antenna on board. The time dependency of the spatial distribution of the sediment was studied in the area through three tracking measurements after the iridium glass was injected. This trial application showed the potential of the radiotracer technology as an important role for maintaining and developing the coastal environment in the future.
Keywords
radioisotope; tracer; iridium glass; sediment; Iridium-192;
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