Life by the water .Examining our water


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Analysis different samples of water in an European educational programme among several countries

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Life by the water .Examining our water

  1. 1. Life by the water<br />Examining our water<br />
  2. 2. Thisexperienceis a firstapproachtothelaboratorywork<br />
  3. 3. Water is an essential resource for living systems, industrial processes, agricultural production and domestic use. <br />
  4. 4. Labactivity<br />Each country has takensamples of water and analyzedthem a number of parametersusingseveraleasymethods.<br />
  5. 5. The principal factors that are taken into consideration when determining water quality are: <br />Temperature<br />pH<br />Density<br />trace elements such as chloride ion Cl- , calcium ion Ca2+<br />turbidity<br />
  6. 6. Our water<br />Bulgaria:<br />Lake Mandra: Lake MandrenskoorLake Mandraisthesouthernmost of theBurgasLakes, located in theimmediateproximity of theBlack Sea and closetoBurgas. <br />Aheloyriver: TheAheloyRiverorAchelousis a river in easternBulgaria. Itoriginates in theAytos-Karnobatmountain, 1.5 kilometres fromDryankovets, and flowsdirectlyintotheBlack Seasouth of thevillage of Aheloy.<br />
  7. 7. Slaveevariver<br />Black sea<br />
  8. 8. Germany:<br />Düssel river: River that flows through The Neandertal valley. This small valley belongs to the area of the towns Erkrath and Mettmann<br />Romania:<br />Coastal Tasaul Lake (area 23.35 km2, max. depth 3.75 m) near Constanta on the Romanian Black Sea is an important ecosystem changed by a complex man-made canal system from saline into freshwater and threatened by various polluters (eutrophication) and fishing over-exploitation. <br />
  9. 9. Siutghiollake :Siutghiol is a lagoon (a body of shallow sea water or brackish water separated from the sea by some form of barrier) in Northern Dobruja, Romania. It extends over 20 km² and has a maximum depth of 18 m.<br />In winter, up to 90% of its surface may be covered by ice. The name of the lake comes from the TurkishSütgöl, meaning "the milk lake".<br />
  10. 10. Lake Tabacarie<br />Black sea<br />White Gate Canal MidiaNavodari<br />
  11. 11. Spain:<br />Guadalquivir River: The Guadalquivir is the fifth longest river in the Iberian peninsula and the second widest.<br />It borders Doñana National Parkreserve.The Guadalquivir river is the only great navigable river in Spain. Currently it is navigable to Seville, but in Roman times it was navigable to Córdoba.<br />
  12. 12. Turkey:<br />Kizilirmakriver :<br />Turkish: Kızılırmak, "Red River"), alsoknown as theHalysRiver (Ancient Greek: Ἅλυς), isthelongestriver in Turkey. Itis a source of hydroelectricpower and isnotusedfornavigation.<br />Yesilirmakriver: <br />Turkish: Yeşilırmak 'Green River'; classicalGreek: Ίρις, Iris) is a river in northernTurkey. Fromitssourcenorth-east of Sivas, itflowspastTokat and Amasya, and reachestheBlack Sea at Samsunafter 418 km (260 miles). <br />
  13. 13. Black sea:<br />Aninland seaboundedbyEurope, Anatolia and theCaucasus and isultimatelyconnectedtotheAtlanticOceanviatheMediterranean and Aegean Seas and variousstraits. TheBosphorusstraitconnectsittotheSea of Marmara, and thestrait of theDardanellesconnectsthat sea totheAegean Sea region of theMediterranean. <br />
  14. 14. ThesewatersseparateeasternEurope and western Asia. The Black Sea alsoconnectstotheSea of AzovbytheStrait of Kerch<br />Spring water<br />
  15. 15. We are goingto compare the data obtained. Furtherresearchcouldbe done withthese data butitwouldrequiremuch longer.<br />
  16. 16.
  17. 17. Black sea<br />Studying:<br />Temperature<br />pH<br />Density<br />
  18. 18. Temperature<br />
  19. 19. Temperature influences the amount of dissolved oxygen in water which in turn influences the survival of aquatic organisms (raising the temperature of a freshwater stream from 20 to 30oC will decrease the dissolved oxygen )<br />
  20. 20. pH<br />In chemistry , pH is a measure of the acidity or basicity of an aqueous solution.Pure water is said to be neutral, with a pH close to 7.0 at 25 ºC. Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline. <br />
  21. 21. The acceptable pH range for most fish species is 6.8-8.5<br />
  22. 22. pH<br />
  23. 23. Density<br />The density of water is approximately one thousand kilogram per cubic meter.More precisely, it is dependent on its temperature but the relation is not linear<br />
  24. 24. Density<br />
  25. 25. Black sea<br />Presence of:<br />Organicmatter -Mud<br />Oil -Weed<br />Lather -Odour<br />Deadfish -Gas oil<br />
  26. 26.
  27. 27. Why are theseionsstudied?<br />Pb2+<br />Lead is known to be toxic, mutagenic and carcinogenic in human beings<br />Ca2+<br />Hard water has high concentrations of Ca2+ and Mg2+ ions. It isn’t unhealthy<br />Cu 2+small amounts are required for health, but excess copper can generate free radicals and cause inflammation or toxicity<br />
  28. 28. Cl -<br />Ion presents in sea water. It’sone of thecomponents of HaliteorcookingsaltNaCl<br />Many aquatic organisms can only survive in a narrow range of salt concentrations since salt controls their osmotic pressure<br />
  29. 29. HCO3- <br />This factor is a characteristic of the source of water and the natural processes taking place at any given time.<br />
  30. 30. Presence of ions:<br />Pb2+NO<br />Cl- YES<br />HCO3- NO/Low<br />Cu 2+ NO<br />Ca2+ YES<br />
  31. 31. Rivers<br />Aheloyriver (Bulgaria)<br />Slaveevariver (Bulgaria) <br />Düsselriver (Germany)<br />Guadalquivir river (Spain)<br />Kizilirmakriver (Turkey)<br />Yesilirmakriver (Turkey)<br />
  32. 32. Aheloyriver (Bulgaria)<br />
  33. 33. Slaveevariver (Bulgaria) <br />
  34. 34. Düsselriver (Germany)<br />
  35. 35. Guadalquivir river (Spain)<br />
  36. 36. Kizilirmak river (Turkey)<br />
  37. 37. Yesilirmak river (Turkey)<br />
  38. 38. Our rivers<br />Studying:<br />Temperature<br />pH<br />Density<br />
  39. 39. Temperature<br />
  40. 40. pH<br />
  41. 41. Density<br />
  42. 42. Presence of:<br />Organicmatter -Mud<br />Oil -Weed<br />Lather -Odour<br />Deadfish -Gas oil<br />
  43. 43.
  44. 44.
  45. 45. Presence of ions:<br />Pb2+ NO<br />Cl- NO /YES (Spain,Turkey)<br />HCO3- Low<br />Cu 2+ NO<br />Ca2+ YES<br />
  46. 46. Lakes<br />Mandralake (Bulgary)<br />Tasaullake ( Romania)<br />Siutghiollake (Romania)<br />Tabacarielake ( Romania)<br />
  47. 47. Mandralake<br />
  48. 48. Tasaullake<br />
  49. 49. Siutghiollake<br />
  50. 50. Tabacarielake<br />
  51. 51. Ourlakes<br />Studying:<br />Temperature<br />pH<br />Density<br />
  52. 52. Temperature<br />
  53. 53. pH<br />
  54. 54. Density<br />
  55. 55. Presence of:<br />Organicmatter -Mud<br />Oil -Weed<br />Lather -Odour<br />Deadfish -Gas oil<br />
  56. 56.
  57. 57. Presence of ions:<br />Pb2+ NO<br />Cl- NO /YES (Romania)<br />HCO3- No<br />Cu 2+ NO<br />Ca2+ YES<br />