Question

Ocean salinity in the gulf of bothnia is unusually low due to

Answer 1

a low salinity – a unique mixture of salty and fresh waters. The salinity of the Baltic Sea water is only approximately 20% of the salinity of the oceans (35 per mille). Furthermore, the salinity of the Baltic Sea’s surface water reduces towards the North, and the water in the Bay of Bothnia and at the bottom of the Gulf of Finland is almost fresh