A hydro-economic model for the assessment of climate change impacts and adaptation in irrigated agriculture

Esteve, Paloma; Varela‐Ortega, Consuelo; Ferrer, Juan; Downing, Thomas E.

doi:10.1016/j.ecolecon.2015.09.017

Cited by 135 publications

(92 citation statements)

References 33 publications

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“…With the inadequate distribution of rain, increasing precipitation could be beneficial for crop maturation. Our finding is consistent with that of Esteve et al [33], who indicate that climate change tends to reduce crop yield by 10%. The reduction in net revenue of maize per hectare during early-season precipitation could be due to the usual delay in the onset of rains in recent times.…”

Section: Discussionsupporting

confidence: 83%

Economic Impacts of Climate Change on Cereal Production: Implications for Sustainable Agriculture in Northern Ghana

et al. 2016

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This paper investigates the economic impacts of climate change on cereal crop production in Northern Ghana using 240 households comprising maize and sorghum farmers. The Ricardian regression approach was used to examine the economic impacts of climate change based on data generated from a survey conducted in the 2013/2014 farming seasons. Forty-year time-series data of rainfall and temperature from 1974 to 2013, together with cross-sectional data, were used for the empirical analysis. The Ricardian regression estimates for both maize and sorghum showed varying degrees of climate change impacts on net revenues. The results indicated that early season precipitation was beneficial for sorghum, but harmful for maize. However, mid-season precipitation tended to promote maize production. Temperature levels for all seasons impacted negatively on net revenue for both crops, except during the mid-season, when temperature exerted a positive effect on net revenue for sorghum. Our findings suggest that appropriate adaptation strategies should be promoted to reduce the negative impacts of prevailing climate change on cereal crop production.

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Section: Discussionsupporting

confidence: 83%

Economic Impacts of Climate Change on Cereal Production: Implications for Sustainable Agriculture in Northern Ghana

et al. 2016

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“…The paper develops a case study in a Spanish river basin, where previous studies (Esteve et al 2015;Varela-Ortega et al 2016) analysed potential adaptation measures for the irrigation sector. These studies considered the contribution of adaptation measures in reducing the effects of water shortages, and their socioeconomic impact.…”

Section: Objective Of the Researchmentioning

confidence: 99%

A stakeholder-based assessment of barriers to climate change adaptation in a water-scarce basin in Spain

2018

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In the last decade, increasing evidence of climate change fostered the development of multiple initiatives for adaptation. However, there are few examples in which adaptation has been successfully implemented, evidencing the need for improving understanding about the socio-institutional context of adaptation processes and the underlying causes of barriers to adaptation. In this research, we developed a stakeholder-based assessment of barriers to the adoption of climate adaptation options for irrigation in the Guadiana basin, one of Spain's most climate-vulnerable basins. Based on social network mapping, we elicited potential barriers to adaptation in the water sector. Using stakeholder questionnaires, we assessed the impact of the identified barriers on the implementation of selected adaptation measures. Results highlight the low acceptance of planned adaptation by stakeholders, and the lack of awareness and of a common understanding among the different actors as preeminent barriers to adaptation, potentially caused by insufficient interactions between water users, the scientific community and environmental groups. The role of the government as a catalyst of those interactions can be crucial for overcoming those barriers. Acknowledged water management instruments, such as water tariffs and quotas, may face the greatest barriers, while widely accepted adaptation measures, such as irrigation modernisation, can contribute to overcoming the obstacles for the implementation of more controversial measures. Overall, the results of this research contribute to climate change adaptation providing a better understanding of the social dimension of adaptation processes, potential barriers to overcome and the feasibility of specific measures.

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“…The WEAP model calculates the mass balance equilibrium of water for each node and branch at either daily or monthly time steps [22,23]. Using the time series of the climate, the WEAP model calculates the hydrological cycle components by simulating the rainfall-runoff process at the surface of the catchment area [26]. In this study, the soil moisture method of WEAP model was used for modeling hydrological reaction of basins and inter-basins [27].…”

Section: Introducing the Weap Modelmentioning

confidence: 99%

Analysis of the Effects of Water Management Strategies and Climate Change on the Environmental and Agricultural Sustainability of Urmia Lake Basin, Iran

Ahmadaali

Barani

Qaderi

et al. 2018

Water

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Abstract:In arid and semi-arid areas, unsustainable development of irrigated agriculture has reduced the water level of large lakes such as Aral, Urmia, Hamoon, and Bakhtegan. Urmia Lake, as a hyper saline and very shallow lake, located in the northwest of Iran, has water level reductions of about 40 cm each year over the past two decades. In this research, the indices of environmental and agricultural sustainability are evaluated using performance criteria influenced by climate change and water management strategies for the Zarrinehrud and Siminehrud River basins as the largest sub-basin of Urmia Lake basin. Modeling of hydrologic behavior of these basins is performed using WEAP21 model. The model is analyzed for three future emission scenarios (A2, A1B, and B1), for the period of 2015-2040 and five water management scenarios: (1) keeping the existing situation; (2) crop pattern change; (3) improving the conveyance and distribution efficiency; (4) combining the improvement of conveyance and distribution efficiency with improving the application efficiency using modern technology; and (5) the combination of crop pattern change with the improvement of total irrigation efficiency. The results show that the highest values of indices of environmental sustainability and agricultural sustainability are related to the scenario of combining the crop pattern change with improving the total irrigation efficiency under the B1 emission scenario (B1S4).

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A hydro-economic model for the assessment of climate change impacts and adaptation in irrigated agriculture

Cited by 135 publications

References 33 publications

Economic Impacts of Climate Change on Cereal Production: Implications for Sustainable Agriculture in Northern Ghana

Economic Impacts of Climate Change on Cereal Production: Implications for Sustainable Agriculture in Northern Ghana

A stakeholder-based assessment of barriers to climate change adaptation in a water-scarce basin in Spain

Analysis of the Effects of Water Management Strategies and Climate Change on the Environmental and Agricultural Sustainability of Urmia Lake Basin, Iran

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