Occurrence of Radionuclides and Hazardous Elements in the Transboundary River Basin Kyrgyzstan–Kazakhstan

نویسندگان

چکیده

Important for irrigation, the transboundary river basin between Kyrgyzstan and Kazakhstan is vulnerable to geochemical anthropogenic sources of pollution. The use water indices, together with measurements elemental radionuclide composition bottom sediments, provides a means evaluating continued from this region. Recent monitoring shows highest concentrations hazardous contaminants include lead thorium contained in banks Kichi-Kemin River. These are likely remnants an accidental spill at Aktyuz tailing dump 1964. specific activity Th-232 River 107–189 Bq/kg. There evidence additional pollution uranium both sediments Oyrandy origins other associated elements Shu Kamyshanovskoye deposit. Contact riverbed ore bodies region leads elevated several geogenic contaminants, including lithium, strontium, uranium, boron (Li, Sr, U, B), increasing by as much 60–130%. channels that used irrigation exceed maximum allowable contaminant levels 3.8 times. Future work needed evaluate ecological human health impacts these drinking water.

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ژورنال

عنوان ژورنال: Water

سال: 2023

ISSN: ['2073-4441']

DOI: https://doi.org/10.3390/w15091759