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Water-Saving Scenarios Based on Input–Output Analysis and Virtual Water Concept: A Case in Iran

Author

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  • Ehsan Qasemipour

    (Department of Civil Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran)

  • Ali Abbasi

    (Department of Civil Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
    Faculty of Civil Engineering and Geosciences, Water Resources Section, Delft University of Technology, Stevinweg 1, 2628 CN Delft, The Netherlands)

  • Farhad Tarahomi

    (Economic Development Department, Faculty of Social Sciences and Economics, Alzahra University, Tehran 19938 93973, Iran)

Abstract

The strong desire for achieving self-sufficiency in developing and mostly water-scarce regions has endangered socioeconomic and environmental sustainability. South Khorasan is particularly exposed to such insecurities, largely due to its limited water resource endowments and its comparatively intensive agriculture. In this paper, we apply the water footprint accounting method (WFA) along with a regional input–output (IO) model to analyze the efficiency of the total (direct + indirect) water consumption in different economic sectors and water footprint of the region in 2011. Results show that agriculture is responsible for more than 95% of water consumption in the area, while it accounts for just 27% of value-added. Additionally, this sector has the largest contribution to water footprint composition (92%) when compared to other sectors. Three water-saving scenarios are simulated by the use of IO economic model and water footprint accounting method. Applying the proper cropping pattern has the greatest impact on water conservation with 348.46 Mm 3 per year. A 10% increase in water productivity contributes nearly twice as much as reducing the exports and increasing the imports of agricultural crops by 10% in saving water with 115.23 and 65.49 Mm 3 , respectively. The most significant contribution in each water-saving strategy comes from the agriculture sector since it has the largest direct and indirect water-use coefficient. The results of this study can help local policymakers take appropriate measures to improve the efficiency of water resource utilization, taking into consideration social, economic, and environmental sustainability.

Suggested Citation

  • Ehsan Qasemipour & Ali Abbasi & Farhad Tarahomi, 2020. "Water-Saving Scenarios Based on Input–Output Analysis and Virtual Water Concept: A Case in Iran," Sustainability, MDPI, vol. 12(3), pages 1-16, January.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:3:p:818-:d:311888
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    References listed on IDEAS

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    1. Ehsan Qasemipour & Farhad Tarahomi & Markus Pahlow & Seyed Saeed Malek Sadati & Ali Abbasi, 2020. "Assessment of Virtual Water Flows in Iran Using a Multi-Regional Input-Output Analysis," Sustainability, MDPI, vol. 12(18), pages 1-18, September.
    2. Yang Yang & Shiwei Liu & Cunde Xiao & Cuiyang Feng & Chenyu Li, 2021. "Evaluating Cryospheric Water Withdrawal and Virtual Water Flows in Tarim River Basin of China: An Input–Output Analysis," Sustainability, MDPI, vol. 13(14), pages 1-16, July.

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