Bīstamās vielas Gaujas sateces baseina ezeru sedimentos

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Bīstamās vielas Gaujas sateces baseina ezeru sedimentos

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Viens no izplatītākajiem antropogēnās darbības rezultātā izraisītajiem piesārņojumiem ir ar smagajiem metāliem. Kaut arī pēdējā laikā tiek īstenota stingrāka bīstamo vielu kontrole, bet tik un tā, smago metālu koncentrācijas sedimentos būtiski pārsniedz to pirmsindustriālā laika līmeņu atzīmes. Pētījuma mērķi bija noskaidrot - Gaujas sateces baseina ezeru sedimentu kvalitāti, novērtējot tos pēc noteiktajām metālu un alvas organisko savienojumu koncentrācijām. Darba ietvaros tika iegūta informācija par pētāmajiem ezeriem un tajos nosakāmo bīstamo vielu īpašībām un ietekmi uz vidi. Tika apsekoti Gaujas sateces baseina ezeri, kur tika ņemti sedimentu paraugi. Paraugos tika noteiktas smago metālu: Zn, Cd, Hg, Pb, Ni un alvas organisko savienojumu koncentrācijas. Pēc iegūtajiem rezultātiem tika secināts par ezeru piesārņotību ar bīstamajām vielām. Atslēgas vārdi: Gaujas sateces baseins, ezera sedimenti, smagie metāli.

year	journal	country	edition	language
2013-01-01

https://dspace.lu.lv/dspace/handle/7/16317

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