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<p>Water scarcity in arid regions like Saudi Arabia necessitates innovative solutions. This study evaluates the feasibility of fog harvesting in Al-Mandaq, Al-Baha, Saudi Arabia, by analyzing meteorological data across six sites over a seven-week period. Key parameters included fog frequency, duration, wind speed, and relative humidity. Results showed significant spatial variability in fog potential. Al-Nasba was the most viable site, with the highest frequency (6 foggy days) and an estimated yield of 2.0&#xa0;L/m²/day as an average on foggy days during the study period. Prince Hussam Road ranked second, benefiting from the highest wind speed of 7.7&#xa0;km/h, which enhances fog transport. The technical and economic analysis confirmed the method’s viability, with low operational costs compared to desalination. However, implementation requires overcoming social and policy challenges. This study provides a critical foundation for deploying fog harvesting as a sustainable supplementary water source in arid, fog-prone regions.</p>

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Fog harvesting implementation as a sustainable water source: a feasibility study in Al-Baha, Saudi Arabia

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月18日

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  • Abdulaziz S. Alzahrani,
  • Ahmed M. Abdelbaki

摘要

Water scarcity in arid regions like Saudi Arabia necessitates innovative solutions. This study evaluates the feasibility of fog harvesting in Al-Mandaq, Al-Baha, Saudi Arabia, by analyzing meteorological data across six sites over a seven-week period. Key parameters included fog frequency, duration, wind speed, and relative humidity. Results showed significant spatial variability in fog potential. Al-Nasba was the most viable site, with the highest frequency (6 foggy days) and an estimated yield of 2.0 L/m²/day as an average on foggy days during the study period. Prince Hussam Road ranked second, benefiting from the highest wind speed of 7.7 km/h, which enhances fog transport. The technical and economic analysis confirmed the method’s viability, with low operational costs compared to desalination. However, implementation requires overcoming social and policy challenges. This study provides a critical foundation for deploying fog harvesting as a sustainable supplementary water source in arid, fog-prone regions.