A preliminary study for metal determinations in Seawater and Natural Radionuclides in Sediments of Glafkos estuary in Patraikos Gulf (Greece)
The Patraikos Gulf is situated in Western Greece between the mainland and the Peloponnese peninsula, opening into the Ionian Sea on the west. The Evinos, Glafkos and Pirros Rivers flow into the Gulf and the city of Patras, with its busy port, lies on the east side of the gulf. Glafkos is the largest river in Patras area and is considered to be a factor of pollution of the gulf, as it carries large amounts of water and sludge. Determination of metal concentrations (Fe, Mg, Ca, Ni, Zn) was attempted in sea water of Glafkos estuary on December 2009, February and March 2010. In addition, activity concentration values of the natural radionuclides 238U, 232Th, 226Ra, 40K and of the artificial 137Cs were measured in sediments of the river and its estuary. In general, the results are close to the bibliographic ones, while in most of the cases there is statistically significant deviation between the metal concentrations in relation with the months.
KeywordsFlame Atomic Absorption Spectrometry Natural Radionuclide Marine Pollution Bulletin 137Cs Activity Concentration Average Activity Concentration
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