Lakes and rivers of Karelia
The image of Karelia is connected first of all with the territory of blue lakes. Actually, there are a lot of lakes – over 61 thousand. Their quantity falling to 1 thousand sq. km region of Karelia confidently wins first place not only in Russia but also among regions of the world.
Lakes are very different in size varying from small lakes of lambesc (“was”), private and anonymous, until the largest in Europe Ladoga and lake Onega. The lake, which area is up to 1 sq. km. prevail, but there are many large lakes, which area is up to 10 or more sq. km. and 20 lakes exceed 100 sq. km Area is covered by lakes in Karelia makes 11.4% of its entire territory, which is clearly more than in the neighbouring state of Finland, and almost twice as much than in the region of Murmansk.
Many lakes take the beginning of tectonic movements of the terrestrial crust, but most appeared due to the ploughing of the earth’s crust by glaciers during the movement many millions of years ago. First deeper, they usually extended shape, have high rocky and often very steep banks and there are not enough Islands. The configuration of glacial lakes began more different – they discerned many Islands, bays, passageways and pretty little depth. However, very often lakes have mixed the beginning and it brings Continue reading
Seven unique parks of Russia
On 1 January 1917 in Russia created the first reserve — Barguzinsky. Since 1997 this day is celebrated as the Day of reserves. On the territory of Russia, rich in forests and mountains, beautiful lakes and rivers, pristine land, there are a lot of reserves, some of which can rightly be considered unique. Today we decided to make a compilation of seven of the most interesting nature reserves of Russia.
Barguzinsky reserve is the first protected areas in Russia. This is the only public reserve in the country, founded before the October revolution of 1917. This reserve is located in Buryatia, it is located on the Western slopes of the Barguzin ridge. C 1986 the year is one of the biosphere reserves of UNESCO. In protected territory of the Barguzinsky nature reserve is the North-Eastern coast of Baikal lake. The name of the reserve was under the name of the Barguzin river. In this reserve you can see not only the Barguzin mountain ridge, but fantastically beautiful valleys and forests and rivers, where are found the most different species of animals.
BAIKAL NATURE RESERVE
Baikal nature reserve — a beautiful reserve of Russia, which lies around Continue reading
Lake, its characteristics
The lake — a reservoir formed on the land surface in the natural depression. As the lake has no direct connection with the ocean, it is — the pond to slow water exchange.
The total area of lakes on earth — about 2.7 million km 3. that is 1.8 % of the land surface.
The main characteristics of the lake:
the area of the lake – water surface area;
length of coastline – length of the water’s edge;
the length of the lake – the shortest distance between the two furthest apart points of the coastline, the average width — the ratio of area to length;
lake volume – the volume of the basin filled with water;
average depth – the ratio of water mass to the area;
maximum depth is a direct measurement.
The biggest area of water surface of a lake on Earth — Caspian (376 thousand km2 when water level is 28 m) and the deepest-Baikal (1620 m).
Characteristics of the largest lakes in the world are given in table. 1.
In every lake there are three interrelated components: basin, water mass, vegetation and fauna of the reservoir.
Lakes of the world
On the status of the lake basin the lake is divided into surface and underground. The latter sometimes filled Continue reading