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Virtual Water and Water Footprint

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Presented at the Conference of the European Society fro Ecological Economics. Ljubljana June 2009.

Presented at the Conference of the European Society fro Ecological Economics. Ljubljana June 2009.


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  • 90,000 Km 2  17% Pop 95  9,000,000 Mediterranean Climate Negative Hydric Balance Irrigation Land 47%  68% Old Irrigation Technology
  • Transcript

    • 1. Applyed Economics
    • 2. Concepts Applications Proposal INDEX
    • 3. Water is different Cultural Value Human Right Productive Factor Waste sink Geographical Reference Arguments: Huge Volume Impact depend on the availability Data scarcity (quality) Diferent Scale Social Metabolism Energy MFA Terrestrial Products  10 9 Water and Air  10 12 Concepts Applications Proposal Water Metabolism Economic System Territorial Water System Virtual Water Imports Reuse Spills Water vapour Virtual Water Exports Self Extraction Agriculture Industry Domestic Re-Exported Virtual Water
    • 4.
      • 1993 Allan: Virtual Water : The amount of water spent to produce a good or service.
      • 2005 Hoekstra-Chapagain : Definition of Water Footprint as an “ indicator of consumption”
      • BUT
      • WATER FOOTPRINT NETWORK : WF as an indicator of “water use that looks at both direct and indirect water use of a consumer or producer ”
      Milestones Virtual Footprint Concepts Applications Proposal VS
      • Industry as Producer and Consumer
      • Population as Producer and Consumer
      • Difference between Virtual and Water Footprint??
    • 5.
      • Wide definition- Wide use Allan (1993): Visualize water as Geopolitical Factor.
      • Hoekstra (2003): Policy Indicator
      • Use as Synonyms
      • Inclusion in Planning for Public Administration (Mori, 2003)
      • Business
      • Need for reflexion
      Conceptual Differences and similarities Strengths vs Limitations Use: When, Where and What for Sprawl Use Concepts Applications Proposal WTO International Env. Agreements Virtual Water Water Footprint Water Use Water Consumption Water Demand
    • 6. Cooperative Research Put together Researches with Civil Society WP3 : Study of the virtual water trade between UK and South Spain (Andalusia) Perception of Virtual Water : By other Researchers By Stakeholders Farmers Wholesales Supermarkets Consumers Concepts Applications Proposal Survey Spanish Farmer answers Improve communication EU support for maintenance of Ecological and Social levels Use of VW and WF for food responsibility certification (Labelling) Consumers Policy Makers
    • 7. Concepts Applications Proposal Virtual Water Compilation of the estimation process for different components of the Water Footprint 1993 Allan International Agriculture Products : Hoekstra & Hung, 2005 Industrial VW: Chapagain & Hoekstra, 2008, Water Footprint-Livestock : Hoekstra & Chapagain, 2007 Grid Based Assessment: Islam, 2007 Gepgraphical Reference Virtual Water- Meat : Galloway, 2007 Input Output: Dietzembacher &Velazquez, 2007 Water Footprint ∑ Crop Water Requirement Yield Specific Water Demand Surface Production Trade Meat Water Requirement Industrial Water Widrawal Product Market Price Industrial product Water Requirement Input Output Analysis
    • 8. Concepts Applications Proposal Article Clasification
    • 9. NEEDS SATISFACTORS PURCHASED (PRODUCED) NOT PURCHASED PRODUCT USE IMPACT Built based in Princen (1999) ? IMPACT OF PRODUCTION IMPACT OF CONSUMPTION Technologies/Volume Overconsumption Misconsumption Responsibilities Concepts Applications Proposal ?
    • 10. Concepts Applications Proposal Ordening ideas Production perspective Consumption Perspective
      • WF = VW G + AV T = (AV P + AV T ) + (AV EnT(p-t) + AV EnT(t-c) )
    • 11. Concepts Applications Proposal Milestones Consumption in UK from Andalusia + AV T = WF
      • WF = VW G + AV T = (AV P + AV T ) + (AV EnT(p-t) + AV EnT(t-c) )
      VIRTUAL WATER Gen (Hm3) STRAWBERRY TOMATO 0,05 1,98 0,00 0,05 0,01 0,00 0,00 1,07 0,88 0,00 0,00 0,00 0,00 0,08 0,06 0,00 1,01 3,19 Hm 3 Surface Water 414 Groundwater 630 Almería (Urban Water Consumption) 17 Exported Virtual Water 83 Imported Virtual Water 2
    • 12. Hvala-Thank you [email_address]