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Dew as a sustainable non-conventional water resource: a critical review

Abstract : Over the last 20 years, dew harvesting has evolved to fruition because of a better understanding of its physics, thermodynamics, and the radiative cooling process of condensing substrates. Although resultant yields are relatively small, dew positions itself as a viable water resources supplement because it occurs naturally and frequently in many locations globally, particularly in the absence of precipitation or when more traditional water sources are subject to depletion. Moreover, dew water is generally potable, especially in rural locations, where it is most beneficial. This review summarizes dew harvesting research achievements to date including formation processes, collection in various environments, prediction models, water quality, and applications. The paper concludes with outlining existing gaps and future research needs to improve the understanding and performance of dew harvesting in the context of adaptation to climate change.
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Submitted on : Wednesday, March 28, 2018 - 10:56:49 AM
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Marlene Tomaszkiewicz, Majdi Abou Najm, Daniel Beysens, Ibrahim Alameddine, Mutasem El-Fadel. Dew as a sustainable non-conventional water resource: a critical review. Environmental Reviews -Ottawa- National Research Council, National Research Council Canada, 2015, 23, pp.425-442. ⟨10.1139/er-2015-0035⟩. ⟨cea-01745391⟩



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