ASSESSING IRRIGATION WATER SUPPLY AND DEMAND AND ESTIMATION OF CROP WATER PRODUCTIVITY IN THE ZAYANDEHRUD BASIN (CASE STUDY: ABSHAR RIGHT IRRIGATION NETWORK)

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VERDINEJAD V.R.; SOHRABI T.; HEYDARI N.; ARAGHINEJAD SH.; MAMANPOUSH A.R.

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Journal: Iranian Journal of Irrigation and Drainage Year:2009 | Volume:3 | Issue:2 Page(s): 88-99

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Title

ASSESSING IRRIGATION WATER SUPPLY AND DEMAND AND ESTIMATION OF CROP WATER PRODUCTIVITY IN THE ZAYANDEHRUD BASIN (CASE STUDY: ABSHAR RIGHT IRRIGATION NETWORK)

Author(s)

Keywords

WATER PRODUCTIVITYQ1

EVAPOTRANSPIRATIONQ2

IRRIGATION WATER SUPPLY AND DEMANDQ2

IRRIGATION MANAGEMENTQ2

ABSHAR RIGHT IRRIGATION NETWORKQ3

Abstract

In order to assess water supply and demand, water allocation and crop WATER PRODUCTIVITY, ABSHAR RIGHT IRRIGATION NETWORK in Zayandehrud basin, Esfahan province, was divided into eighteen units. The criteria for this division were soil salinity, type of water resources (ground or surface water), and ground water (wells) salinity.The criteria were divided in the GIS environment based on their informational layers. Based on long time lysimeter data of reference crop in Kaboutar Abad Research Station, FAO Penman-Monteith method was calibrated and then was used to estimate crop water use for the existing cropping pattern. IRRIGATION WATER SUPPLY AND DEMAND for each irrigation unit during different months of the year was determined through effective rainfall, crop water use, the amount of water delivered to the each irrigation unit, the rate of ground water withdrawal, cropping pattern and intensity. Crop WATER PRODUCTIVITY was calculated for 1385-86 and 1386-87 periods. In this study, average crop WATER PRODUCTIVITY was detennined to be 1.29 and 1.07 kg m-3, respectively, for 1385-86 and 1386-87 periods. Average crop WATER PRODUCTIVITY based on wheat for the above mentioned periods was determined to be 0.55 and 0.77 kg m-3, respectively. Based on water and agricultural products costs and price of crop selling, average crop benefit and net benefit WATER PRODUCTIVITY for 1385-86 period was determined to be 1060.8 and419.6 Rials m-3, and for 1386-87period, was 2392.9 and 666.7 Rials m-3, respectively. Further analysis of these indexes indicated that water supply and demand in different months of the year and spatial distribution of supply to irrigation units was not appropriate.

Cites

WATER RESOURCES MANAGEMENT AND FOOD SECURITY IN ZAYANDEH RUD BASIN: AN INTEGRATED RIVER BASIN ANALYSIS

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APA: Copy

VERDINEJAD, V.R., SOHRABI, T., HEYDARI, N., ARAGHINEJAD, SH., & MAMANPOUSH, A.R.. (2009). ASSESSING IRRIGATION WATER SUPPLY AND DEMAND AND ESTIMATION OF CROP WATER PRODUCTIVITY IN THE ZAYANDEHRUD BASIN (CASE STUDY: ABSHAR RIGHT IRRIGATION NETWORK) . IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 3(2), 88-99. SID. https://sid.ir/paper/131533/en

Vancouver: Copy

VERDINEJAD V.R., SOHRABI T., HEYDARI N., ARAGHINEJAD SH., MAMANPOUSH A.R.. ASSESSING IRRIGATION WATER SUPPLY AND DEMAND AND ESTIMATION OF CROP WATER PRODUCTIVITY IN THE ZAYANDEHRUD BASIN (CASE STUDY: ABSHAR RIGHT IRRIGATION NETWORK) . IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2009;3(2):88-99. Available from: https://sid.ir/paper/131533/en

IEEE: Copy

V.R. VERDINEJAD, T. SOHRABI, N. HEYDARI, SH. ARAGHINEJAD, and A.R. MAMANPOUSH, “ASSESSING IRRIGATION WATER SUPPLY AND DEMAND AND ESTIMATION OF CROP WATER PRODUCTIVITY IN THE ZAYANDEHRUD BASIN (CASE STUDY: ABSHAR RIGHT IRRIGATION NETWORK) ,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 3, no. 2, pp. 88–99, 2009, [Online]. Available: https://sid.ir/paper/131533/en

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