Effect of Climate Change on Reliability of Rainwater Harvesting Systems for Kabarole District, Uganda
AbstractThis paper assesses the effect of climate change on reliability of rainwater harvesting systems for Kabarole district, Uganda, as predicted by 6 best performing global circulation models (GCMs). A daily water balance model was used to simulate the performance of a rainwater harvesting system using historical daily rainfall data for 20 years. The GCMs used to generate daily rainfall projections for 2025–2055 and 2060–2090 periods included; ACCESS1-0, BCC-CSM-1-M, CNRM-CM5, HADGEM2-CC, HADGEM2-ES and MIROC5. Analysis was based on the Ugandan weather seasons which included March, April, May (MAM) and September, October, November (SON) rain seasons in addition to December, January, February (DJF) and June, July, August (JJA) dry seasons. While an increase in reliability is predicted for the SON season, the worst-case scenario is projected during the MAM season with a reliability reduction of over 40% for the 2055–2090 period. This corresponds to a 27% reduction in water security for the same period. The DJF season is also expected to experience reduced water security by 1–8% for 2025–2055 and 2060–2090 with a 0.5 m3 tank size. Therefore, some form of extra harvesting surface and increased tank size will be required to maintain 80% systems reliability considering climate change. View Full-Text
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Kisakye, V.; Akurut, M.; Van der Bruggen, B. Effect of Climate Change on Reliability of Rainwater Harvesting Systems for Kabarole District, Uganda. Water 2018, 10, 71.
Kisakye V, Akurut M, Van der Bruggen B. Effect of Climate Change on Reliability of Rainwater Harvesting Systems for Kabarole District, Uganda. Water. 2018; 10(1):71.Chicago/Turabian Style
Kisakye, Violet; Akurut, Mary; Van der Bruggen, Bart. 2018. "Effect of Climate Change on Reliability of Rainwater Harvesting Systems for Kabarole District, Uganda." Water 10, no. 1: 71.
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