Water scarcity assessment in Iran’s agricultural sector using the water footprint concept

Shahla Dehghanpir, Ommolbanin Bazrafshan (), Hadi Ramezani Etedali, Arashk Holisaz and Brian Collins
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Shahla Dehghanpir: University of Hormozgan
Ommolbanin Bazrafshan: University of Hormozgan
Hadi Ramezani Etedali: Imam Khomeini International University
Arashk Holisaz: University of Agricultural Sciences and Natural Resources
Brian Collins: James Cook University

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2024, vol. 26, issue 11, No 75, 28995-29020

Abstract: Abstract The adoption of the water footprint concept and its application in assessing water stress can provide valuable insights into the sustainable use of water resources in agricultural production. The objective of the present study is to calculate the agricultural water stress index (AWSI) using the water footprint framework and water scarcity indices, namely blue water scarcity (BWS), water stress index (WSI), water self-sufficiency (WSS), water dependency (WD), and water poverty (WP) indices in Iran’s agricultural sector during the period of 2008–2019. Subsequently, the spatiotemporal patterns of water scarcity indices were examined at both the provincial and national levels. The findings reveal that the agricultural water footprint (AWF) amounted to approximately 195.6 Gm3, with AWFblue, AWFgreen, and AWFgray accounting for 85.2%, 6.9%, and 7.9%, respectively. The average national AWSI was estimated to be 0.94, indicating a state of extreme stress, and exhibiting an upward trend from 2012 to 2019. The southern and central regions, notably Yazd, Kerman, Tehran, and Hormozgan, have experienced severe and extreme water stress (AWSI > 1.38). Conversely, the humid and Mediterranean regions in the north, northwest, and west of Iran experience varying degrees of low to moderate water scarcity. Nevertheless, the western region (West Azerbaijan) and the northwest region (Zanjan and Hamedan) have transitioned from a state of moderate stress to a high-stress category (AWSI > 0.6). Based on the results, regions where BWS BWS > WSI, the significant diversity of agricultural products has contributed to an increase in WP and WSS, along with a decrease in WD. The AWSI, based on the water footprint concept, proves to be more suitable for reflecting regional water scarcity compared to existing water stress indices, particularly in arid and semi-arid agricultural production regions, due to the demonstrated environmental impacts of sustainable agricultural production.

Keywords: Water scarcity; Agricultural water stress index; Water footprint; Blue water scarcity (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10668-023-03852-3

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