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Water balance on earth


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Water balance on earth

  1. Water balance on Earth
  2. • an artificial lake • built at the turn of 40s and 50s • surface – 1,4ha• average depth – 1,2m
  3. Fitness trails. Bike lanes.Home for many species of animals.
  4. RECREATIONGood conditions to do sports.Many bike lanes. BREEDING Jetties for fishermen. It delivers industrial water for technological processes. A source of drinking water for animals.
  5. We asked many questions.We were very curious.Nothing escaped our attention.
  6. We found out how muchpeople know about the body of water called Janina. We questioned 70 people, asking them 11
  7. Do all members of your family know the body of water Janina? 60 57 50 Number of people 40 30 20 10 8 5 0 yes, all most of them nobody knowsMost of people know the body of water called Janina but theydo not have enough knowledge about it.They use bike lanes in the area of the body of water.They do not fish there.People know sources of pollution of the body of water.
  8. Lectures Sightseeing Work record
  9. Mechanical – biological – chemical water purification plant Gigablok: - based on the activated sludge method - disposal of biogenes - grit chamber - sludge higienisation facility - sludge digestion chambers
  10. light orange colour odour-free, not transparentafter filtration – the sediment was red  pH 10  high nitrate content – 10mg/l
  11. water polluted with heavy metals water polluted with detergents third class water quality water eutrophication
  12. We have learnt how to improve the condition of the enviroment.We have learnt creative and precise solutions for the local enviroment.We have raised our sense of responsibility for this part of Earth where we live.
  13. We have made a poster which summarizes our work and writtenan article to the locan newspaper  We have raised our sense of responsibility for the piece of Earth we live on.
  14. Thanks for yourattention! 