Why Baltic Sea is green?
When large quantities of microscopic, free-floating algae (phytoplankton) perform photosynthesis, multiply and lump together we see them as a greenish, yellowish, brownish or reddish layer on the sea surface or as a thick ‘soup’ in the water.
Is the Baltic Sea brackish?
The Baltic Sea is one of the biggest brackish seas in the world with limited exchange with the open sea through the Danish straits. The salinity of the Baltic Sea east of 13°E ranges between 13 g/kg at the bottom in the central Baltic Sea and 2 g/kg at the surface in the Bothnian Bay (cf.
What makes the Baltic Sea brackish?
Due to massive freshwater runoff from the land and limited salt water inflows from the Danish straits, the salinity of the Baltic Sea is much lower than that of the oceans, and the water is considered to be brackish water instead of sea water.
Why Baltic Sea is important?
Many of these people rely on a healthy Baltic Sea for their food and incomes, and many treasure it as an important space for nature and leisure activities. The Baltic region includes eight of the 28 European Union member states. The Baltic Sea provides a critical connection between the EU and the Russian Federation.
What are the reasons of low salinity in Baltic Sea?
Salinity is low in the land locked Baltic Sea because of the high temperature. The fresh water from the surrounding land gets run off and the salt density is also low. The Baltic Sea is almost land-locked and covers an area of “122415 000 km”. The volume of water is only “21 000 km” because it is shallow.
Can you swim in the Baltic Sea?
The Baltic sea water is cool, but not cold at summer. … The beach is safe, and you cannot swim so far, because you will kick some sea-rocks when you go far away from the shore. The water is shallow, just go to try it, no harm.
Is there sharks in the Baltic Sea?
Distribution: Contrary to popular belief, there are sharks in the Baltic Sea. In fact, 31 species of sharks and closely related skates, rays and chimaeras (collectively known as cartilaginous fishes) have been recorded in this area.
Which is the youngest sea on the earth?
The Baltic Sea in Scandinavia is the world’s youngest sea having formed between 10 thousand and 15 thousand years ago from glacial erosion. It contains a unique mixture of saltwater and freshwater, making it the largest brackish water body on the planet.