@ARTICLE{Rak_Daniel_Our_2017, author={Rak, Daniel}, number={Nr 4 (56) 2017 Extremes}, journal={ACADEMIA. The magazine of the Polish Academy of Sciences}, pages={42-44}, howpublished={online}, year={2017}, publisher={Polish Academy of Sciences}, language={eng}, abstract={The Baltic is a unique brakish sea. Its moderate salinity is the result of the fresh river water input and non-periodic inflows of salty, oxygenated waters from the North Sea. However, the balance continually fluctuates. What impact does that have on the sea?}, type={Article}, title={Our fresh-and-salty sea}, URL={http://so.czasopisma.pan.pl/Content/112477/PDF-MASTER/042-044%20rak%20baltyk%20do%20korekty.pdf}, keywords={Baltic sea, water fluctuation, water dynamics}, }