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Open AccessArticle

Assessment of Climate Change Impacts on Water Resources in Three Representative Ukrainian Catchments Using Eco-Hydrological Modelling

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Institute of Earth and Environmental Science, University of Potsdam, 14469 Potsdam, Germany
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Potsdam Institute for Climate Impact Research (PIK), 14473 Potsdam, Germany
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Department of Meteorology and Climatology, The Faculty of Geography, Taras Shevchenko National University of Kyiv, 01033 Kyiv, Ukraine
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Danish Meteorological Institute, 2100 Copenhagen, Denmark
*
Author to whom correspondence should be addressed.
Academic Editor: Richard Skeffington
Water 2017, 9(3), 204; https://doi.org/10.3390/w9030204
Received: 23 December 2016 / Revised: 22 February 2017 / Accepted: 7 March 2017 / Published: 10 March 2017
The information about climate change impact on river discharge is vitally important for planning adaptation measures. The future changes can affect different water-related sectors. The main goal of this study was to investigate the potential water resource changes in Ukraine, focusing on three mesoscale river catchments (Teteriv, Upper Western Bug, and Samara) characteristic for different geographical zones. The catchment scale watershed model—Soil and Water Integrated Model (SWIM)—was setup, calibrated, and validated for the three catchments under consideration. A set of seven GCM-RCM (General Circulation Model-Regional Climate Model) coupled climate scenarios corresponding to RCPs (Representative Concentration Pathways) 4.5 and 8.5 were used to drive the hydrological catchment model. The climate projections, used in the study, were considered as three combinations of low, intermediate, and high end scenarios. Our results indicate the shifts in the seasonal distribution of runoff in all three catchments. The spring high flow occurs earlier as a result of temperature increases and earlier snowmelt. The fairly robust trend is an increase in river discharge in the winter season, and most of the scenarios show a potential decrease in river discharge in the spring. View Full-Text
Keywords: Ukraine; climate change impact; river discharge; Samara; Teteriv; Western Bug; runoff; SWIM; IMPRESSIONS Ukraine; climate change impact; river discharge; Samara; Teteriv; Western Bug; runoff; SWIM; IMPRESSIONS
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Didovets, I.; Lobanova, A.; Bronstert, A.; Snizhko, S.; Maule, C.F.; Krysanova, V. Assessment of Climate Change Impacts on Water Resources in Three Representative Ukrainian Catchments Using Eco-Hydrological Modelling. Water 2017, 9, 204.

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