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:: Volume 12, Issue 1 (4-2024) ::
2024, 12(1): 1-19 Back to browse issues page
Spatial analysis of surface water resources using water footprint approach in the Khiavchai sub-watersheds, Ardabil Province
Mehran Soheili , Raoof Mostafazadeh , Abazar Esmali Ouri , Leyla Babaei , Zeinab Hazbavi *
Associate Professor, Department of Rangeland and Watershed Management, Water Managemnent Research Center, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran. Email: z.hazbavi@uma.ac.ir
Abstract:   (650 Views)
This research aims to analyze the spatial water footprint of agricultural products in four categories of blue, green, gray, and white water in Khiavchai sub-watersheds. To this end, the meteorological data (monthly rainfall and temperature) were used as input data for the CROPWAT program. The Google Earth images were used to map the land use areas and estimate the area of agricultural and rangelands. It was found that apples, sour cherries, cherries, walnuts, and grapes are the dominant crops produced in the orchard area. The four types of virtual waters of agricultural products were analyzed in four land uses, i.e., orchards, rainfed agriculture, irrigated agriculture, and rangelands. The total water consumed by the apple product is more than other products in all sub-watersheds and the amount of virtual water of walnut is also high in most sub-watersheds. The total consumption of blue, green, white, and gray water in sour cherry, cherry, and grape was the same and was evaluated as less than the other two products. In addition, the average amount of blue water for rainfed agriculture was estimated as 2788.85 m3 t-1, among which lentils and chickpeas had the higher blue water among the rainfed crops. According to the results, sub-watersheds 7 and 14 located in western parts of the study area had the highest of virtual water. In sub-watershed 7, a large part of its area is used for rangeland and only a small part is related to rainfed agriculture, and all area of sub-watershed 14 is used for rangeland. Therefore, the appropriate cultivation pattern can be determined based on the amount of virtual water and its spatial changes.
Article number: 1
Keywords: Virtual water, index-based assessment, crop production, ecological services, water management
Full-Text [PDF 2139 kb]   (98 Downloads)    
Type of Study: Research | Subject: Special
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Soheili M, Mostafazadeh R, Esmali Ouri A, Babaei L, Hazbavi Z. Spatial analysis of surface water resources using water footprint approach in the Khiavchai sub-watersheds, Ardabil Province. Journal of Rainwater Catchment Systems 2024; 12 (1) : 1
URL: http://jircsa.ir/article-1-478-en.html


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Volume 12, Issue 1 (4-2024) Back to browse issues page
مجله علمی سامانه های سطوح آبگیر باران Iranian Journal of Rainwater Catchment Systems
تکمیل و ارسال فرم تعارض منافع
نویسنده گرامی ، پس از ارسال مقاله ، جهت دریافت فرم، لطفا بر روی کلمه فرم تعارض منافع کلیک نمایید و پس از تکمیل، در فایل های پیوست مقاله قرار دهید.
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