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European Geosciences Union, Hydrology and Earth System Sciences, 1(19), p. 601-613, 2015

DOI: 10.5194/hess-19-601-2015

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Estimates of global dew collection potential on artificial surfaces

Journal article published in 2015 by Henri Vuollekoski, Matthias Vogt, Victoria Anne Sinclair ORCID, Jonathan Duplissy ORCID, Heikki Järvinen ORCID, Ella-Maria Kyrö, Risto Makkonen ORCID, Tuukka Petäjä ORCID, Nonne L. Prisle ORCID, Petri Räisänen ORCID, Mikko Sipilä, Jussi Samuli Ylhäisi, Markku Kulmala ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Abstract. The global potential for collecting usable water from dew on an artificial collector sheet was investigated by utilizing 34 years of meteorological reanalysis data as input to a dew formation model. Continental dew formation was found to be frequent and common, but daily yields were mostly below 0.1 mm. Nevertheless, some water-stressed areas such as parts of the coastal regions of northern Africa and the Arabian Peninsula show potential for large-scale dew harvesting, as the yearly yield may reach up to 100 L m−2 for a commonly used polyethylene foil. Statistically significant trends were found in the data, indicating overall changes in dew yields of between ±10% over the investigated time period.