Evaluating the Impacts of Climate Change on Irrigation Water Requirements

Randa S. Makar (), Sahar A. Shahin, Mostafa El-Nazer, Ali Wheida and Mohamed Abd El-Hady
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Randa S. Makar: Soils and Water Use Department, Agricultural and Biological Research Institute, National Research Centre, Dokki, Cairo 12622, Egypt
Sahar A. Shahin: Soils and Water Use Department, Agricultural and Biological Research Institute, National Research Centre, Dokki, Cairo 12622, Egypt
Mostafa El-Nazer: Theoretical Physics Department, Physics Research Institute, National Research Centre, Dokki, Cairo 12622, Egypt
Ali Wheida: Theoretical Physics Department, Physics Research Institute, National Research Centre, Dokki, Cairo 12622, Egypt
Mohamed Abd El-Hady: Water Relations and Field Irrigation Department, Agricultural and Biological Research Institute, National Research Centre, Dokki, Cairo 12622, Egypt

Sustainability, 2022, vol. 14, issue 22, 1-14

Abstract: Climate change and its impact on agriculture and water resources have become a global concern. The implications of extreme weather events on food production and water resource availability are starting to have social and economic effects worldwide. The present research aims at integrating the analysis of the atmospheric parameters with remote sensing, geographic information systems, and CROPWAT 8 model to evaluate the impacts of climate change on the irrigation water requirements estimates in a selected area in El-Beheira governorate, Egypt. Remote sensing and GIS are incorporated to produce land-use/land-cover maps and soil properties maps. On the other hand, the atmospheric parameters were analyzed using python analytical coding. The study utilized the Land-use/Land-cover (LU/LC) map produced from Sentinel-2 data. The agricultural area covered about 89% of the studied area and was occupied by seven crops. Wheat and berseem were the major crops in the area and covered about 67% of the studied area; therefore, their irrigation water requirements were calculated utilizing the CROPWAT 8 model. Furthermore, citrus irrigation water requirements were also included in this research, even though it only covered 10% of the studied area because it had the highest amount of irrigation water requirements. Forecasting the potential climate changes under the best-case scenario for the next thirty years revealed that the studied area will have no rain and a slight decrease in the average temperature. Accordingly, the irrigation water requirements will increase by almost 4% under current practices, and the increase will reach about 13% under no-field loss practices.

Keywords: GIS; remote sensing; irrigation water requirements; CROPWAT model; climate change (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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