How many seas in the world? We learn the details!
How many seas in the world? This question always arouses a keen interest among schoolchildren. The world ocean is considered to be the water shell of the globe that surrounds the mainland, as well as the islands. Some water areas, separated by land or elevations of underwater terrain, are conventionally called seas. To say exactly how many seas in the world are total is not easy, because there are many different classifications. The total number of water bodies can vary: for example, Aral, Dead, Caspian and Galilee are usually called seas, although in fact they should be classified as "Lakes". There are also a number of bays, which would be more logical to include in the seas.
Separation of water bodies can be carried out independing on where they are located. Small-scale seas, which are part of larger ones, often do not take into account. For example, in the Mediterranean Sea there are seven internal objects. That is, you can easily swim across the ship from one to another, but the vessel will remain within the Mediterranean Sea.
There are internal, intercontinental,border, inter-island objects. There is a classification according to the degree of salinity and water temperature. Therefore, to accurately answer the question of how many seas in the world will not work.
There are five oceans on Earth. Each of them is conditionally named certain seas. The Pacific Ocean includes such large objects as Beringovo, Yellow, Okhotsk, Japan, East China, South China Sea.
The Atlantic includes the Baltic, Northern, Sargasso, Marble, Ionian, Aegean, Adriatic and many other seas. There are about thirty of them.
The Indian Ocean includes only six seas. The largest of them is Red.
The Arctic Ocean subjugates thirteen seas. Among them are the White, Barents, Chukchi, Kara, East Siberian.
South not all scientists recognize the ocean. Nevertheless, it contains water areas that surround Antarctica.
In order to say how many seas in the world,you can use the latest data from the International Geographic Bureau. To date, there are fifty-four. Internal seas and bays were not taken into account.
Mediterranean
Leading scientists and international organizations onprotection of nature believe that today the dirtiest sea in the world - the Mediterranean. This conclusion was made at the recent annual report by the UN. Annually in the Mediterranean waters for various reasons, about half a thousand tons of oil products are caught. A special danger to the flora and fauna is the numerous waste from plastic, with which the coastal areas are clogged.
The Baltic
The sad glory of the Mediterranean water elementThey also share the Black and Baltic seas. The most problematic area is the Finnish Gulf of the Baltic, which is filled with bottled oil products. Due to the fact that the Baltic Sea is surrounded on all sides by economically developed countries (Sweden, Norway), they drain into its waters a significant amount of industrial wastewater. In the Black Sea waters, through the flowing rivers, the multitone waste of industrial activities of European countries also flows.
Marble
The most dangerous sea in the world is Marble. It is at the same time the smallest. It serves as a boundary between Europe and Asia and is a connecting link between the Black and Aegean seas. Many centuries ago, a fault in the earth's crust formed, which was subsequently filled with water. So the Sea of Marmara appeared, the depth of which reaches in some places more than a thousand three hundred meters.
The danger in this water area is represented by numerous natural disasters: tsunamis and earthquakes. For all the known history of the existence of the sea, its waters were shaken about three hundred times.
In the classification of world water bodies there is aThis approach, in which the seas are divided into categories according to the degree of salinity of the water. The world ocean is filled with various salts, which got into it from the previously washed up rocks. The total content of solids dissolved in one kilogram of water is usually called salinity. Its level is expressed in ppm (tenths of a percent).
Red
The most salty seas of the world are Dead and Red. In one liter of Red Sea water contains forty grams of salt. Due to constant mixing of water layers among themselves, the Red Sea has the same temperature and salinity level in any part of it.
At the end of the last century, researchers discoveredtwo dozen hollows containing hot "brines". The average temperature in them is forty degrees. This water is very healthy.
Dead
The Dead Sea is famous for its unique composition of water and healing mud. A high degree of salinity creates a high density of liquid.
