Lithuanian presentation in Turkey
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Lithuanian presentation in Turkey Lithuanian presentation in Turkey Presentation Transcript

  • Water
  • Total Earth’s resources of fresh groundwater are around 10 million km2.
  • On average, a year precipitation in Lithuania is enough to cover the country’s surface with a 0,66-metre-thick layer.
  • In Lithuania most of the precipitation (about 68%) evaporates and only 32% of the precipitation of rain and snow flows into the Baltic Sea.
  • A part of precipitation filters through the soil and becomes groundwater. The amount of fresh groundwater which can be extracted from the soil and suitable for drinking is 1,3km3/m.
  • Water cycle in different climate zones Lietuvoje Namibijoje
  • In many countries the groundwater is a public property.
  • Lithuania’s bowel is like a layered cake where every layer is of a different age and structure. Some of the layers where the groundwater can be found are porous and they are made of variuos kinds of sand, sandstone, fissured dolomite or limestone.
  • The water from different layers has special taste which is determined by the composition of different chemical compounds and trace elements melted in the groundwater of the layer.
  • Up to 80% of drinking-water in Europe and 100% of the one in Lithuania is groundwater.
  • Groundwater is being used by 2 million people in the world and it is one of the most widely used natural resource.
  • In Lithuania there are about 1300 watering-places and about 25000 exploitable boreholes built.
  • Although groundwater resources in Lithuania are plentiful and of good quality, in some areas there is a lack of water because of unfavorable hydrogeological conditions.
  • Groundwater consumption in different sectors of economy
  • Mostly,the groundwater is cleaner than the surface water, as the groundwater is protected from the surface contamination by soil and layers of various sediment.
  • Industry objects, agriculture, household and community sewage and dumps are the main sources which pollute the groundwater.
  • Lakes and rivers of Lithuania
  • Lakes of Lithuania  There are 2830 lakes in Lithuania.  All lakes take about 880 km² .  Lakes take 1,37 % of Lithuania’s area.
  • The biggest lakes
  • The deepest lake The deepest lake in Lithuania is Tauragnas. Its biggest depth is 62,5 m.
  • The longest lake The longest lake in Lithuania is Asveja. Its length is 29,7 km.
  • Districts, which have a big number of lakes The Baltic and Žemaičiai highlands along with Dainava and Neris-Žeimena lowlands have a large number of lakes . The area especially rich in lakes includes the Baltic highland bow in the northern part of Lithuania and Aukštaičiai highland.
  • Rivers
  • Lithuania’s rivers It is counted that in Lithuania there are about 29 900 rivers and creeks (longer than 0,25 km. – Their total length reaches 63 700 km.
  • The rivers of Lithuania are distributed not equally. That is determined by the content of precipitation, the slope of the surface, the soil conductivity. The densest river web is in Žemaitija, where there falls the majority of the rainfall and in the Central Lithuania’s lowland, which contains impermeable for water rocks.
  • The longest rivers
  • The Nemunas The Nemunas is the longest river in Lithuania.Its length is 937 km, 475 km of which flow through Lithuania.
  • River basins
  • This company is extracting, supplying and purifying water. “Šakiai Waters” supervises 76 settlements: villages and other places in Šakiai district. “Šakiai waters" task is that a dying person could reach a glass of water.
  • Water’s extraction Four pumps are quite enough to supply the entire town of Šakiai. The water is extracted from the aquifer. An average drilling depth is 140 meters, and the height of the pump is 150m. The pipes submerged into the land are filled with water and the pumps take it to the surface. Then iron from the water is removed, it is disinfected and all bacterium are destroyed.
  • The flow of the water The water comes to the houses through polyethylene tubes. The say the truth, in the area of Šakiai there are still quite a few cast-iron tubes, which slightly affect the water quality. Therefore, some people are installing home filters. Though, you can drink unfiltered water from the tap, as well.
  • Testing Our water is tested every three months. The chemical (shows Fe, P, Ca, nitrate and nitrite content) and microbiological tests (to test if there is no bacterial contamination) are carried out. The water for testing is taken directly from the tap.
  • Water treatment Sewage water is flowing into the house pumping systems. There, two reactors clean it . The reactor is constantly supplied with oxygen, without which the bacteria living there would die out. It performs one of the most important treatment work - cleans the water. The bacteria feeds on what is in the waste water and clears it . The treated water is examined and tested for its purity again. Usually the water is so clean that it is discharged into a stream. But of course, this is not advisable to drink the water.