1 / 14

Tisza-Danube

Tisza-Danube. “ Water Chernobyl ”. Cyanide. Toxic chemical that is used in mining and other industries. Cyanide. Cyanide was used in Romania at a mining operation Separates gold from rock After it is used it was stored behind a dam. January 30,2000

fancy
Télécharger la présentation

Tisza-Danube

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Tisza-Danube “Water Chernobyl”

  2. Cyanide • Toxic chemical that is used in mining and other industries

  3. Cyanide • Cyanide was used in Romania at a mining operation • Separates gold from rock • After it is used it was stored behind a dam

  4. January 30,2000 • Rain swelled the pond and it reached a dangerously high level • The dam burst releasing 100,000 cubic meters of cyanide water into the Szamos River • Equivalent to 30 Olympic pools

  5. Szamos River in Romania • Went across Hungary and entered the Tisza River • Tisza empties into the Danube • Went across Serbia, Montenegro, and Bulgaria and then into the Black Sea

  6. Effects • Dead fish • Killed 200 tons of fish • Hundreds of otters • Fish-eating birds died

  7. Effects • Other animals that ate or drank from the water died.

  8. Effects • Affected the water supply of 2.5 million people • Shut down water systems

  9. Effects • Warned people to stay away from water • Canceled trips to area

  10. Did not last long • Breaks down in sunlight • When reached the Danube – no longer toxic to fish • Take years for the river to “get back to normal”

  11. Other Sources of Water Pollution • Mining • Farming – chemicals and fertilizers • Boats • factories

  12. Efforts to Reduce Water Pollution • Different groups working on helping the Danube in the future • “Danube Day”

  13. Tisza-Danube A Burst Dam Releases Deadly Chemicals • Write the name of the country that was the source of the water pollution. On the map, color the source of the water pollution. • Then complete this sentence: Accidental water pollution occurred when… Cyanide Flows into the Danube River System • Summarize how the pollution spread. Names two countries most affected by the pollution. • Then complete this sentence: One consequence of the spread of water pollution across borders was… Efforts to Reduce Water Pollution • Describe one effort to reduce water pollution. Then complete this sentence: _______________________ help to reduce water pollution by…

More Related