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Efficient Roof Selection in Rainwater Harvesting: Hybrid Multi-criteria and Experimental Approach

Author

Listed:
  • Muhammed Nimet Hamidi

    (Istanbul Technical University)

  • Shayan Shitreh

    (Istanbul Technical University)

  • Ali Izzet Cengiz

    (Istanbul Technical University)

  • Kadir Ozcelik

    (Istanbul Technical University)

  • Bahriye Eryildiz-Yesir

    (Istanbul Technical University
    National Research Center on Membrane Technologies, Istanbul Technical University)

  • Ömer Ekmekcioğlu

    (Istanbul Technical University)

  • Oguzhan Murat Halat

    (Istanbul Gelisim University)

  • Mehmet Cuneyd Demirel

    (Istanbul Technical University)

  • Berk Canberk

    (Istanbul Technical University
    Edinburgh Napier University)

  • Ismail Koyuncu

    (Istanbul Technical University
    National Research Center on Membrane Technologies, Istanbul Technical University)

  • Onur Isik

    (Istanbul Technical University
    National Research Center on Membrane Technologies, Istanbul Technical University)

  • Huseyin Guven

    (Istanbul Technical University)

  • Hale Ozgun

    (Istanbul Technical University
    National Research Center on Membrane Technologies, Istanbul Technical University)

  • Mustafa Evren Ersahin

    (Istanbul Technical University
    National Research Center on Membrane Technologies, Istanbul Technical University)

Abstract

This study aimed to investigate the effects of different roof configurations on the quality of harvested rainwater (HRW) for sustainable irrigation in agriculture. Three roofing materials (i.e. shingle, galvanized metal, and clay tile) and three roof pitch angles (i.e. 5°, 30°, and 42°) were used at pilot-scale. HRW was characterized in order to determine the roof type and roof slope effect on the HRW quality. HRW from galvanized metal roofs was of higher quality in terms of turbidity and pathogen microorganisms. HRW from shingle and clay tile roofs was treated with a sequential ultrafiltration (UF) membrane and ultraviolet (UV) disinfection system to meet the European Union (EU) water reuse standards for irrigation. The decision-making mechanism was used to select the most appropriate roof configuration. The results showed the significance of financial (21.89%) and environmental (19.75%) aspects. Also, the Escherichia coli (E.coli) content (7%) is the most determinant factor in HRW, followed by the operational cost (6.78%), and reduced runoff (5.73%). Among the roof configurations, galvanized metal roofs, specifically the metal roof with 5°, outperformed others due to their structural, technical, and environmental advances.

Suggested Citation

  • Muhammed Nimet Hamidi & Shayan Shitreh & Ali Izzet Cengiz & Kadir Ozcelik & Bahriye Eryildiz-Yesir & Ömer Ekmekcioğlu & Oguzhan Murat Halat & Mehmet Cuneyd Demirel & Berk Canberk & Ismail Koyuncu & On, 2025. "Efficient Roof Selection in Rainwater Harvesting: Hybrid Multi-criteria and Experimental Approach," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 39(4), pages 1567-1586, March.
    • Handle: RePEc:spr:waterr:v:39:y:2025:i:4:d:10.1007_s11269-024-04023-3
    DOI: 10.1007/s11269-024-04023-3
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