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Open AccessArticle

Evapotranspiration from Horizontal Subsurface Flow Constructed Wetlands Planted with Different Perennial Plant Species

1
Department of Agricultural, Food and Environment (Di3A), University of Catania, Via S. Sofia 100, 95123 Catania, Italy
2
Centre for the Conservation and Management of Nature and Agroecosystems (CUTGANA), University of Catania, Via S. Sofia 100, 95123 Catania, Italy
3
Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Viale Giuseppe Fanin 50, 20147 Bologna, Italy
*
Author to whom correspondence should be addressed.
Water 2019, 11(10), 2159; https://doi.org/10.3390/w11102159
Received: 11 September 2019 / Revised: 11 October 2019 / Accepted: 14 October 2019 / Published: 17 October 2019
This paper presents the results of an experiment carried out in Southern Italy (Sicily) on the estimation evapotranspiration (ET) in pilot constructed wetlands planted with different species (Chrysopogon zizanioides, Myscanthus x giganteus, Arundo donax, Phragmites australis, and Cyperus papyrus). In the two monitored growing seasons, reference ET0 was calculated with the Penman-Monteith formula, while actual ET and crop coefficients were measured through a water balance and the FAO 56 approach, respectively. The highest average seasonal ET value was observed in Phragmites australis (17.31 mm d−1) followed by Arundo donax (11.23 mm day−1) Chrysopogon zizanioides (8.56 mm day−1), Cyperus papyrus (7.86 mm day−1), and Myscanthus x giganteus (7.35 mm day−1). For all plants, crop coefficient values showed different patterns in relation to growth stages and were strongly correlated with phenological parameters. Myscanthus x giganteus and Arundo donax showed a water use efficiency values significantly higher than those observed for the other tested species. Results of this study may contribute to select appropriate plant species for constructed wetlands located in semi-arid regions, especially when the use of reclaimed water and/or the use of aboveground biomass are planned. View Full-Text
Keywords: constructed wetlands; herbaceous species; crop coefficient; evapotranspiration; water use efficiency; biomass production; wastewater reuse constructed wetlands; herbaceous species; crop coefficient; evapotranspiration; water use efficiency; biomass production; wastewater reuse
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MDPI and ACS Style

Milani, M.; Marzo, A.; Toscano, A.; Consoli, S.; Cirelli, G.L.; Ventura, D.; Barbagallo, S. Evapotranspiration from Horizontal Subsurface Flow Constructed Wetlands Planted with Different Perennial Plant Species. Water 2019, 11, 2159. https://doi.org/10.3390/w11102159

AMA Style

Milani M, Marzo A, Toscano A, Consoli S, Cirelli GL, Ventura D, Barbagallo S. Evapotranspiration from Horizontal Subsurface Flow Constructed Wetlands Planted with Different Perennial Plant Species. Water. 2019; 11(10):2159. https://doi.org/10.3390/w11102159

Chicago/Turabian Style

Milani, Mirco; Marzo, Alessia; Toscano, Attilio; Consoli, Simona; Cirelli, Giuseppe L.; Ventura, Delia; Barbagallo, Salvatore. 2019. "Evapotranspiration from Horizontal Subsurface Flow Constructed Wetlands Planted with Different Perennial Plant Species" Water 11, no. 10: 2159. https://doi.org/10.3390/w11102159

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