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Pollution of the Goczałkowice dam reservoir with nickel was estimated on the basis of a geocumulative index and an enrichment coefficient. The water near the bottom and the interstitial water was classified as highly polluted with nickel in comparison with waters of clean areas and the preindustrial level. The bottom sediment of the reservoir is practically unpolluted in comparison with the geochemical...
The effect of aeration of above-sediment waters on changes in metal forms occurring in the bottom sediment and also in their concentration in the water and sediment was analysed. The obtained results indicate that aeration is an effective method for improving water quality: the water became clear and the content of organic substances and nutrients was reduced. The changes in quantities and occurrence...
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