Since ancient times, people seek answers to the question of why sea salt.In fact, this water has a taste of all the seas and oceans, only the level of salinity at all different.From this index it depends largely on the biological diversity of a sea.
But first of salt.Where did it come from?And the soil, rocks and rocky particles contain various salts and rainwater dissolves them.Rain streams flock to the river, which are particles of salt in the sea.And then everything is in school textbooks: sunlight is the process of evaporation (the water evaporates and the salt accumulates in the depths of the sea), in the form of rain, she returned again to the earth, washing away of soil particles salts ...
But this is only part of the answer to the question "Why is the sea salty."The other part you need to look at the bottom of the sea.It is the composition of the seabed, or rather from the rocks that form it largely depends on the salinity of the sea.The chemical composition of sea water does not change, and as each sea or ocean has his own, the inhabitants of the deep sea are able to survive, as a rule, only on its territory.They can not move from one to another sea.Also of great importance is the evaporation rate - the higher it is, the more concentrated the salt in sea water.
Generally, there are still plenty of reasons that influence the level of salinity of the sea.For example, in the salinity of the Black Sea affect the remoteness of the ocean, as well as the fact that many European deep rivers carry their water is here.The huge flow significantly reduces the salinity level, which leads to a decrease in biodiversity of the Black Sea.In comparison with the number of inhabitants of the Mediterranean depths of the Black Sea are much more modest, and the variety is poor: here you will not meet starfish and urchins, cuttlefish and octopus, flying fish and squid.The flora of the Black Sea is also significantly poorer.
Why is the sea salty?There is another point, the presence of which can not be ignored in answering this question - areas of land, washed by the sea or ocean.As you can see, the answer is not as simple as it might seem at first glance.
Comparing the Black and Mediterranean seas, their water worlds in a better position turned out to be the latter, because of the high level of salinity.And what is the same salty sea in the world?The answer to this question is simple - Red.If the salt content of the Black Sea - is 17 grams per liter of water (on the Baltic Sea - only five grams), the Red Sea, this figure is more than two times higher - 35-41 grams per liter (depending on coast).
This is due, primarily, to the lack of rivers flowing into the Red Sea, and they are known to carry fresh water, which in some way dilutes the sea, reducing the salt concentration.Here, the concentration is slowly but steadily increasing.The denser water layers are omitted below, cooler water is forced into the upper layers, exercising a natural mix.Moreover, the absence of rivers allows sea water to retain its transparency and purity.But this largely depends on the richness of the underwater world: the diversity and the beauty of the inhabitants of the Red Sea, just amazing.
response to questions about why the sea salt, and a very salty sea, it is impossible not to remember the dead, which, when draining, also called lake.The extremely high concentration of salts in the water is constantly maintained its mineral springs, which make water not only very salty, but simply unique in its composition, it is unique.It is water, as well as the famous silt mud, which, incidentally, also has a high mineral content, attracted to the shores of the Dead Sea, hundreds of thousands of tourists coming from all over the world to improve their health.
