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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

Global watershortage

Paul Mayer, Georg Konrad, Peter Jernej


Actual water situation
Actualwatersituation


Population without access to safe drinking water
Population withoutaccesstosafedrinkingwater


Global use of water
Global useofwater

  • Agriculture: 69%

  • Industry: 23%

  • Domesticuse, drinkingwater, sanitation: 8%


Water scarcity in 2025
WaterScarcity in 2025


Water scarcity in 20251
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


Impacts of the global water shortage
Impacts ofthe global watershortage

  • Relationshipbetweenfoodindustryand global water

  • Noaccesstofreshwater – rise in diseases

  • Waterplays an importantrole in trourism


Global water shortage cross border problem
Global watershortage – crossborderproblem

  • The locationofwaterresources – not followpollicalboundaries

  • Most groundwaterresourcesaresharedbymorethantwostates

  • Cross boundaryconcernsrisks – conflicts, pollutionupstream, blockingofwaterwaysormismanagementofsharedresources


Case study china
Case Study China

  • China´swaterresources

  • Waterdemand in China

  • WaterPolicies in China


8 major river basins of china s water resources
8 majorriverbasinsofChina´swaterresources

  • Yangtze

  • Yellow (Huang)

  • Hai-Luan

  • Huai

  • Song-Liao

  • Pearl

  • Southeast

  • Southwest

  • Nortwest


Map of major rivers and watersheds in china
Mapofmajorriversandwatersheds in China


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


Water demand
Water (1/100,000) in Demand

  • 554.1km3 (2005) per annum (vgl. Bodensee 48km3)

    • industry 128.6 km3

    • municipal for private living, 67.53 km3

    • agricultural use 385 km3


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


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