2008 | OriginalPaper | Buchkapitel
The Hydrological Sustainability of Constructed Wetlands for Wastewater Treatment
verfasst von : Peter D. Hedges, Phil M. Fermor, Jiří Dušek
Erschienen in: Wastewater Treatment, Plant Dynamics and Management in Constructed and Natural Wetlands
Verlag: Springer Netherlands
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It is argued that there is a need for a hydrological assessment to be undertaken at the design stage of wetlands, which are to be constructed for wastewater treatment, in order to ensure their long-term sustainability. A simple water budget provides a suitable tool for this purpose. The product of an appropriate crop coefficient (Kc), and the reference crop evapotranspiration (ETo) determined from meteorological data, is deemed a suitable procedure for determining the evapotranspiration component of the water budget. The UK and the Czech Republic are taken as case studies, representative of maritime and mid-continent climates, to illustrate a procedure for identifying regions where created wetlands are potentially at most risk from water deficits.