Abstract
The article presents the results of a study of one of the artificial reservoirs in Kaliningrad – a pond w / n with coordinates 54°69ʹ90ʺ N, 20°36ʹ46ʺ E. (hereinafter – the pond), located 0,4 km south of the reclaimed municipal solid waste landfill (hereinafter – the MSW landfill) in the settlement named after A. Kosmodemyansky (Kaliningrad) and 0,6 km from the water area of the Vistula Bay, which is a reservoir of the highest category, which is both amateur and industrial fishing. Through the pond, since the formation of the MSW landfill in 1978, there has been a surface runoff of water containing leachate from the waste dump. After landfill reclamation, the pond is studied for the state of its biota, the chemical composition of water and bottom sediments. The objectives of this study include assessing the degree of impact on the aquatic ecosystems of the MSW landfill by studying the relief features of the pond basin, determining and comprehensively analyzing the obtained morphometric indicators that have a significant impact on the appearance and development of the reservoir, its hydrological regime, the distribution of physicochemical parameters in the thickness water and the current ecological state. In 2021, a bathymetric survey was carried out using a Lowrance HDS-16 echo sounder-chartplotter, during which information about the current depth and geographic coordinates of the studied bottom area was jointly recorded in real time. For the first time, maps of the relief of the bottom of the pond in 2D and 3D format were built. Investigated the drainage basin of the pond. During the subsequent analysis of the obtained results, the main morphometric parameters of the pond were determined. According to the results of calculations, the pond can be attributed to shallow ponds of medium size, with a water surface area of 0,035 km2 and an average depth of 1.8 m. The outlines of its coastline are close to a square.
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