Looking at a map, on all continents, you can see the lake. Some of them elongated, others rounded. Some lakes are located in mountainous areas, others on vast flat plains, some very deep and some very shallow. The shape and depth of the lake depend on the size of the basin which it occupies. Lake basins are formed by different ways.
Most of the major lakes of the globe is of tectonic origin. They are located in major deformations of the earth crust in the plains or fill the deep tectonic crack — rift (lake Baikal, Tanganyika, Nyasa, etc.).
Lake basins can become craters and calderas of extinct volcanoes, and sometimes depressions on the surface of lava flows. These lakes are called volcanic, are found, for example, on the Kuril and Japanese Islands, in Kamchatka, on the island of Java and in other volcanic regions of the Earth. It happens that the lava and fragments of igneous rocks dammed the river valley in this case also there is a volcanic lake.
The basin of the lake Kaali in Estonia is of meteoritic origin. It is located in the crater formed by the fall of a large meteorite.
Glacial lakes fill hollows formed as a result of the glacier activity. Moving, Continue reading
Tops the list the largest lakes Caspian sea. It is located at the junction of Asia and Europe. The sea is called because of the huge size. Is a salty lake. The area of the sea is 371000 square kilometers Stretching from West to East — 315 km, from North to South and 1,200 km. On the lake are about 50 Islands, a dozen of peninsulas and bays. In the Caspian sea flow into rivers such as the Terek, Volga, Urals. The pond washes the shores of Iran, Kazakhstan, Turkmenistan, Russia and Azerbaijan. On the shores are the cities of Baku, Turkmenbashi and Makhachkala, Kaspiysk. In the Caspian sea is home to 101 fish species, as well as possible to meet seals. On the shelf of the pond works on oil, limestone, salt, sand and clay.
Second place in the rating occupies the Upper lake located on the border of USA and Canada. Equal has an area of 82700 square km lake superior is the largest freshwater body in the world. Located at an altitude of 183 m above sea level and formed due to melting of glaciers. The coastline is rugged, steep and rocky. The lake is rich with trout, sturgeon, whitefish and other species of fish. Navigation is well developed. The chief ports are thunder Bay, Ashland, and Duluth Superior.
Closes the three large lakes of the world — Victoria. It is located in East Africa, on the border Continue reading
Russia is a huge country, rich in its land and water resources. The nature here is unique and beautiful in each region. Take a look at the map, as evident by their numerous number of lakes, small and large seas akin. The most clear lakes of Russia are under close scrutiny of environmentalists, and some of them are protected by UNESCO.
Tour of the most ecologically clean places of the Russian Federation should be in the plans for each traveler. What place will surprise tourists with its beauty and crystal clear water?
The Lake Baikal . located in the heart of Asia, which is considered the purest lake in Russia, but also the deepest of all the freshwater reservoirs. Unique creation of the nature of indescribable beauty is striking to all visitor in this region. Experience the true scale and beauty of the fairy lake due to the boat trips where you can see many fish splashing in the water and the stately green banks.
Lake Ladoga and lake Onega in Karelia, and water is close to distilled in its mineralization. They represent the beautiful Northern nature with its many narrow bays and Islands. These picturesque lakes claim to be the national property of Russia.
Lake Teletskoye is the largest in the Altai Continue reading