当前位置： SCI文献检索 > MARINE POLLUTION BULLETIN期刊下所有文献 > Multivariate statistical approach on distribution of natural and anthropogenic radionuclides and associated radiation indices along the north-western coastline of Aegean Sea, Greece.

Multivariate statistical approach on distribution of natural and anthropogenic radionuclides and associated radiation indices along the north-western coastline of Aegean Sea, Greece.

Abstract：

:A comprehensive radiological survey using multivariate statistical analysis was carried out to evaluate the distribution of 40K, 232Th, 226Ra, 235U, and 137Cs, and associated radiation indices in beach sand samples of the coastal area of the Aegean Sea. The activity concentration of selected radionuclides was measured and no clue of recent migration of radiocaesium by not only precipitation but also through an indirect way, such as ocean runoff, was found. As part of radiological risk assessment, external radiation hazard index, radium equivalent activity, effective dose, and absorbed dose rate were estimated. Pearson correlation, cluster, and PCA analysis were used by processing observed radiological parameters to determine the correlation between the radiological parameters and locations. Pearson correlation shows a strong association between all parameters and activity of 226Ra and 232Th. A spatial distribution map was provided to a distinct visual representation of the distribution of radionuclide contents in the study area.

journal_name

Mar Pollut Bull

journal_title

Marine pollution bulletin

authors

Shahrokhi A,Adelikhah M,Chalupnik S,Kovács T

doi

10.1016/j.marpolbul.2021.112009

subject

Has Abstract

pub_date

2021-01-19 00:00:00

pages

112009

eissn

0025-326X

issn

1879-3363

pii

S0025-326X(21)00043-6

journal_volume

163

pub_type

杂志文章

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