BIOGEOCHEMISTRY OF URANIUM IN THE SOUTHERN BALTIC ECOSYSTEM
Journal Title: Baltic Coastal Zone - Year 2013, Vol 17, Issue
Abstract
The determination of uranium isotopes in different components of the Southern Baltic (sediments, soil, birds, river) is presented and discussed in this paper. The Baltic Sea is one of the most polluted water regions in the world. On the basis of the studies was found that the most important process of uranium geochemical migration in the Southern Baltic Sea ecosystem is the sedimentation of suspended material and the vertical diffusion from sediments into the bottom water. Considerable amounts of uranium isotopes are introduced into the Baltic waters together with annual inflows of saline and well-aerated waters from the North Sea. Also very high uranium concentrations are the result of weathering and erosional processes of the rocks (e.g. Sudetic rocks) which contain elevated natural concentrations of this radionuclide. Considerable amounts of uranium isotopes are introduced into the Baltic waters together with annual inflows from the Vistula and Oder rivers, also from saline and well-aerated waters from the North Sea. The results of many our studies confirm the significant role of human activities and phosphogypsum stockpile in Wiślinka as a source of these isotopes in southern Baltic.
Authors and Affiliations
Alicja Boryło, Bogdan Skwarzec
Keywords
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