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Optimizing fog water harvesting in South Africa
Expanded Title:Fog water harvesting is recognised as being an unconventional source of water for communities living in water-scarce fog-prone areas. The aim of this project was to optimise fog water collection by conducting research to elucidate the physical and chemical complexities of fog and its formation; optimising the fog water collection process; and developing novel products that could be used to measure flow and increase the yield during windless conditions. Two experimental sites were selected, one in the mountains near Avontuur in the south-eastern Cape and the other in the vicinity of Lamberts Bay on the West Coast. Various designs and materials were tested for their efficacy; problems related to construction of the fog water collection systems that were encountered during previous projects were solved; chemical analyses of the water were conducted to determine portability of the water; the impact of the systems on the environmental determined; and predictions made of the effect of climate change on fog water harvesting potential given specific climate change scenarios.
Date Published:30/09/2015
Document Type:Research Report
Document Subjects:Water Resource Management/IWRM - Catchment Management
Document Keywords:Hydrology, Hydropower, Water Quality
Document Format:Report
Document File Type:pdf
Research Report Type:Standard
WRC Report No:TT 632/15
ISBN Set No:978-1-4312-0683-4
Authors:Olivier J; van Heerden J; Rautenbach H
Project No:K5/2059
Originator:WRC
Organizations:University of Pretoria
Document Size:8 913 KB
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