Impact of roof rain water harvesting of runoff capture and household consumption

Meshram, Sarita Gajbhiye and Ilderomi, Ali Reza and Sepehri, Mehdi and Jahanbakhshi, Farshid and Kiani-Harchegani, Mahboobeh and Ghahramani, Afshin ORCID: https://orcid.org/0000-0002-9648-4606 and Rodrigo-Comino, Jesus (2021) Impact of roof rain water harvesting of runoff capture and household consumption. Environmental Science and Pollution Research, 28 (36). pp. 49529-49540. ISSN 0944-1344


Abstract

In recent years, the occurrence of floods is one of the most important challenges facing in Hamadan city. In the absence/inefficiency of urban drainage systems, rainwater harvesting (RWH) systems as low-impact development (LID) methods can be considered as a measure to reduce the floods. In this study, three scenarios concerning the RWH from the roof surfaces are studied to evaluate the type of the harvested water on reducing flooding. In the first scenario, which indicates the current situation in the studied area, it is indicated that there is no harvest of the roof surfaces in the studied area. The second scenario is about the use of water harvested from the roof surfaces for household purposes. The third scenario also refers to the use of harvested water for irrigation of gardens. The simulation results of these three scenarios using the Soil Conservation Service (SCS) method in the Hydrologic Modeling System (HEC-HMS) model reveal that if the second scenario is implemented, the runoff volume decreases from 28 to 12% for the return period from 2 to 100 years. However, in the third scenario, this reduction in runoff volume will be 48 and 27% for return periods of 2 to 100 years, respectively. Therefore, the results of this study indicate that the use of harvested water can also affect the reduction on runoff volume.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Permanent restricted access to Published version in accordance with the copyright policy of the publisher.
Faculty/School / Institute/Centre: Current - Institute for Life Sciences and the Environment - Centre for Sustainable Agricultural Systems (1 Aug 2018 -)
Faculty/School / Institute/Centre: Current - Institute for Life Sciences and the Environment - Centre for Sustainable Agricultural Systems (1 Aug 2018 -)
Date Deposited: 25 Oct 2021 04:34
Last Modified: 10 Nov 2021 01:39
Uncontrolled Keywords: flood; HEC-HMS model; nature-based solution; rainfall; urban management
Fields of Research (2008): 04 Earth Sciences > 0406 Physical Geography and Environmental Geoscience > 040608 Surfacewater Hydrology
09 Engineering > 0905 Civil Engineering > 090509 Water Resources Engineering
Fields of Research (2020): 37 EARTH SCIENCES > 3707 Hydrology > 370799 Hydrology not elsewhere classified
37 EARTH SCIENCES > 3707 Hydrology > 370704 Surface water hydrology
Socio-Economic Objectives (2008): D Environment > 96 Environment > 9609 Land and Water Management > 960999 Land and Water Management of Environments not elsewhere classified
Socio-Economic Objectives (2020): 18 ENVIRONMENTAL MANAGEMENT > 1803 Fresh, ground and surface water systems and management > 180308 Surface water quantification, allocation and impact of depletion
Identification Number or DOI: https://doi.org/10.1007/s11356-021-14098-9
URI: http://eprints.usq.edu.au/id/eprint/43955

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