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Virtual Water: A Framework For Comparative Regional Resource Assessment

Author

Listed:
  • EMILY KATE SCHENDEL

    (Institute for Resources, Environment and Sustainability, University of British Columbia, 416-2202 Main Mall, Vancouver, British Columbia V6T 1Z4, Canada)

  • JENNIFER R. MACDONALD

    (Institute for Resources, Environment and Sustainability, University of British Columbia, 416-2202 Main Mall, Vancouver, British Columbia V6T 1Z4, Canada)

  • HANS SCHREIER

    (Institute for Resources, Environment and Sustainability, University of British Columbia, 416-2202 Main Mall, Vancouver, British Columbia V6T 1Z4, Canada)

  • LES M. LAVKULICH

    (Institute for Resources, Environment and Sustainability, University of British Columbia, 416-2202 Main Mall, Vancouver, British Columbia V6T 1Z4, Canada)

Abstract

New developments in water resource allocation techniques range from local management of green water to international trade in water. A further extension of this is through the virtual water concept, which is the water required to produce a crop or product. The virtual water content of many products is now available at a national and global scale. While these calculations are meaningful in international trade debates, they are not useful to water managers since regional climatic and management conditions are highly variable. The utility of the virtual water concept at a smaller scale is illustrated by a comparison of agricultural crops in the driest and wettest agro-climatic regions in Canada. Results were compared to national and international global calculations. The calculations are highly sensitive to local conditions, and locally collected data needs to be aggregated and compared in order to be made useful to water managers and land use planners.

Suggested Citation

  • Emily Kate Schendel & Jennifer R. Macdonald & Hans Schreier & Les M. Lavkulich, 2007. "Virtual Water: A Framework For Comparative Regional Resource Assessment," Journal of Environmental Assessment Policy and Management (JEAPM), World Scientific Publishing Co. Pte. Ltd., vol. 9(03), pages 341-355.
    • Handle: RePEc:wsi:jeapmx:v:09:y:2007:i:03:n:s1464333207002858
    DOI: 10.1142/S1464333207002858
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    Citations

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    Cited by:

    1. Akoto-Danso, Edmund Kyei & Karg, Hanna & Drechsel, Pay & Nyarko, George & Buerkert, Andreas, 2019. "Virtual water flow in food trade systems of two West African cities," Agricultural Water Management, Elsevier, vol. 213(C), pages 760-772.
    2. Yang Wei & Boyang Sun, 2021. "Optimizing Water Use Structures in Resource-Based Water-Deficient Regions Using Water Resources Input–Output Analysis: A Case Study in Hebei Province, China," Sustainability, MDPI, vol. 13(7), pages 1-15, April.
    3. S. Brown & H. Schreier & L. Lavkulich, 2009. "Incorporating Virtual Water into Water Management: A British Columbia Example," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 23(13), pages 2681-2696, October.
    4. María Jesús Beltrán & Esther Velázquez, 2011. "Del metabolismo social al metabolismo hídrico," Documentos de Trabajo de la Asociación de Economía Ecológica en España 01_2011, Asociación de Economía Ecológica en España.
    5. Feng, Le & Chen, Bin & Hayat, Tasawar & Alsaedi, Ahmed & Ahmad, Bashir, 2017. "Dynamic forecasting of agricultural water footprint based on Markov Chain-a case study of the Heihe River Basin," Ecological Modelling, Elsevier, vol. 353(C), pages 150-157.

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