Pollution of the Uglovoy Bay with heavy metals and petroleum products during february 2010–2016

Abstract

We analyzed the pollution of Uglovoy bay with heavy metals and petroleum products during 2015–2016. According to maximum allowable concentrations of Mn, Fe, Cu, Ni, Hg, As, Pb, Cd, and petroleum products, we identified an area of hypoxia developing at the north-eastern coast of the bay, with heavy metal accumulation in the dissolved form. We concluded that the river is the main source of pollutants in this bay, and surveys of ice cores showed a high degree of heavy metal accumulation. Although ice sheets accumulate contaminants, these are released into water. Herein, we provide an estimate of water pollution at the entrance to the Uglovoy bay with heavy metals and petroleum products over the years 2010–2016.