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Global water shortage

Global water shortage. Paul Mayer, Georg Konrad, Peter Jernej. Actual water situation. Population without access to safe drinking water. Global use of water. Agriculture : 69% Industry : 23% Domestic use , drinking water , sanitation : 8%. Water Scarcity in 2025.

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Global water shortage

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  1. Global watershortage Paul Mayer, Georg Konrad, Peter Jernej

  2. Actualwatersituation

  3. Population withoutaccesstosafedrinkingwater

  4. Global useofwater • Agriculture: 69% • Industry: 23% • Domesticuse, drinkingwater, sanitation: 8%

  5. WaterScarcity in 2025

  6. WaterScarcity in 2025 • Physicalwaterscarcity: these countries have not sufficientwaterresourcesfortheneeds in 2025 • Economicwaterscarcity: thisgrouphasenoughwaterresources, but onlywithregulations (moresupplythan 1995, morethan 25%) • Nophysicalwatershortage: nowaterscarcity, lesswatersuppliesthan 25% of 1995

  7. Impacts ofthe global watershortage • Relationshipbetweenfoodindustryand global water • Noaccesstofreshwater – rise in diseases • Waterplays an importantrole in trourism

  8. Global watershortage – crossborderproblem • The locationofwaterresources – not followpollicalboundaries • Most groundwaterresourcesaresharedbymorethantwostates • Cross boundaryconcernsrisks – conflicts, pollutionupstream, blockingofwaterwaysormismanagementofsharedresources

  9. Case Study China • China´swaterresources • Waterdemand in China • WaterPolicies in China

  10. 8 majorriverbasinsofChina´swaterresources • Yangtze • Yellow (Huang) • Hai-Luan • Huai • Song-Liao • Pearl • Southeast • Southwest • Nortwest

  11. Mapofmajorriversandwatersheds in China

  12. Mortality Rate for Cancer Associated with Water Pollution (1/100,000) inChina, 2003 (world Average in 2000)

  13. Water Demand • 554.1km3 (2005) per annum (vgl. Bodensee 48km3) • industry 128.6 km3 • municipal for private living, 67.53 km3 • agricultural use 385 km3

  14. 307km long drainage from the south to the dry north (middle route). Costs: more than 2 billion US$

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