Agricultural Irrigation Pricing: Review of Theories and Practices

Al-Rubaye, Shayma  Ali

doi:10.1002/ird.2296

Cited by 5 publications

(1 citation statement)

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“…Water pricing 1 has been generally identified in the recent literature as a valid water demand instrument to help solve problems of water scarcity and competition (Al-Rubaye 2019;Bierkens et al 2019;Gallego-Ayala et al 2011;Portoghese et al 2021;Upadhyaya et al 2022). Molle and Berkoff (2007) offer a review of concepts and experiences in irrigation water pricing, identifying practical gaps and constraints of alternative irrigation pricing policies.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Water Pricing Policy Effects in a Mediterranean Basin Through a Hydroeconomic Model

Martínez-Dalmau

Gutiérrez‐Martín

Expósito

et al. 2023

Water Resour Manage

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This paper explores the impacts of water pricing as a demand management policy, at a regional level (or basin-sector). To this aim, a hydro-economic model for the Guadalquivir River basin (southern Spain) is proposed here. This basin constitutes a perfect example of a Mediterranean basin subject to frequent and long drought periods, where challenges related to water scarcity are increasing, leading to social conflicts among water users. Moreover, this basin is characterised by a closure state meaning that all available water resources are already allocated among users. In this context, water pricing policy may act as an effective tool to reduce water demand by encouraging changes of behaviour in water users. In particular, those who perform irrigation practices in the agricultural sector. This paper focuses on the irrigation sector since it is the main water user in the basin (87%). Additionally, alternative water-availability scenarios have been used to test the effect of water pricing under drought conditions. The hydro-economic model presented here has been sectorized into four basin sectors with common characteristics (hydro and economic). This enables the analysis of alternative price scenarios in the agricultural sector, in terms of water used, crop patterns and gross margin. Results show that water pricing policy should consider the regional characteristics at the basin-sector scale to gain effectiveness and equity at the river basin scale. Moreover, it has been found that both water availability and the crop pattern at the basin-sector scale have an effect on the reduction of water used (and therefore in gross margin.

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Section: Introductionmentioning

confidence: 99%

Analysis of Water Pricing Policy Effects in a Mediterranean Basin Through a Hydroeconomic Model

Martínez-Dalmau

Gutiérrez‐Martín

Expósito

et al. 2023

Water Resour Manage

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Economic Assessment of Duyridge Dam as a Water‐harvesting Scheme in Iraq

Al-Rubaye

Awad

Ahmed

et al. 2020

Irrigation and Drainage

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Iraq, home of the Tigris and Euphrates rivers, has survived an extreme deficiency of surface water assets over the years. The gap is due to the decline of the Iraqi water share every year, as well as a high demand for water use from different sectors, particularly agriculture.Dam development has long given significant economic benefits to Iraq in circulating low‐priced electricity and supporting low‐income farmers by supplying them with a free irrigation system (Zakaria et al, 2012). This encouraged domestic consumption and investment.Despite the fact that numerous advantages are expected from dam construction, it should be painstakingly assessed, utilizing cost–benefit analysis before endorsement.This study aims to evaluate the capability of the Duyridge Dam in Maysan Governorate to harvest rainwater in Iraq and meet the local populations' needs as well as the geological, topographic, hydrological and economic requisites of water.The result indicates that the net present costs and net present benefits at a 10% discount rate are equal to US$18.8 million and US$20.2 million respectively, while the net present value is equal to US$179 000 and the benefit–cost ratio is equal to 1.08.Likewise, the results show that the internal rate of return is 11% and the payback of the project period is 5 years. The sensitivity analysis of the dam was estimated as well. © 2020 John Wiley & Sons, Ltd.

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