Potential utilization of the absolute point cumulative semivariogram technique for the evaluation of distribution coefficient

The classical solid/liquid distribution coefficient, K d, for radionuclides in water–sediment systems is dependent on many parameters such as flow, geology, pH, acidity, alkalinity, total hardness, radioactivity concentration, etc. in a region. Considerations of all these effects require a regional...

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Bibliographic Details
Published in:Journal of hazardous materials 2009-09, Vol.168 (2), p.1387-1396
Main Authors: KÜLAHCI, Fatih, SEN, Zekai
Format: Article
Language:English
Subjects:
Applied sciences
Distribution coefficient
Exact sciences and technology
Pollution
Radionuclides
Semivariogram
Spatial distribution
Water Pollutants, Chemical - chemistry
Water Pollutants, Radioactive - chemistry
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Summary:The classical solid/liquid distribution coefficient, K d, for radionuclides in water–sediment systems is dependent on many parameters such as flow, geology, pH, acidity, alkalinity, total hardness, radioactivity concentration, etc. in a region. Considerations of all these effects require a regional analysis with an effective methodology, which has been based on the concept of the cumulative semivariogram concept in this paper. Although classical K d calculations are punctual and cannot represent regional pattern, in this paper a regional calculation methodology is suggested through the use of Absolute Point Cumulative Semi Variogram ( APCSV) technique. The application of the methodology is presented for 137Cs and 90Sr measurements at a set of points in Keban Dam reservoir, Turkey.
ISSN:0304-3894
1873-3336
DOI:10.1016/j.jhazmat.2009.03.027