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Water 2018, 10(1), 41; https://doi.org/10.3390/w10010041

Modelling Wetland Growing Season Rainfall Interception Losses Based on Maximum Canopy Storage Measurements

1
Department of Hydraulic Engineering, Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
2
Faculty of Electronics, Telecommunication and Informatics, Department of Geoinformatics, Gdansk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdansk, Poland
3
Water Center Laboratory, Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Received: 16 November 2017 / Revised: 13 December 2017 / Accepted: 3 January 2018 / Published: 5 January 2018
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Abstract

This study estimates rainfall interception losses from natural wetland ecosystems based on maximum canopy storage measurements. Rainfall interception losses play an important role in water balance, which is crucial in wetlands, and has not yet been thoroughly studied in relation to this type of ecosystem. Maximum canopy storage was measured using the weight method. Based on these measurements, daily values of interception losses were estimated and then used to calculate long-term interception losses based on precipitation and potential evapotranspiration data for the 1971–2015 period. Depending mainly on the number of days with precipitation, the results show that total interception losses for the growing season as well as monthly interception losses are around 13% of gross rainfall. This value is similar to the values observed for some forests. Hence, interception losses should not be disregarded in hydrologic models of wetlands, especially because data trends in meteorological conditions (mainly number of days with precipitation) show that interception losses will increase in the future if those trends stay the same. View Full-Text
Keywords: interception losses; water balance; water storage capacity; wetland; sedges; Biebrza River interception losses; water balance; water storage capacity; wetland; sedges; Biebrza River
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Ciężkowski, W.; Berezowski, T.; Kleniewska, M.; Szporak-Wasilewska, S.; Chormański, J. Modelling Wetland Growing Season Rainfall Interception Losses Based on Maximum Canopy Storage Measurements. Water 2018, 10, 41.

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