Hydroclimatic Projections for the Upper Vistula Basin

  • Mikolaj Piniewski
  • Mateusz Szczesniak
  • Abdelkader Mezghani
  • Zbigniew W. Kundzewicz
Chapter

Abstract

In this study, we apply a previously calibrated SWAT model of the Vistula and Odra basins in order to assess hydrological impacts of climate change in the Upper Vistula Basin. Raw projections from an ensemble of nine EUR-11 CORDEX climate model runs (precipitation and minimum and maximum temperatures) assuming an intermediate greenhouse gas emission scenario of 4.5 W/m2 were adjusted using a quantile-mapping correction approach. We analysed changes between two future horizons 2024–2050 (near future) and 2074–2100 (far future) and a reference period (1974–2000). We found that, for the near future, all climate models agree well about ubiquitous warming on both seasonal and annual scales, while eight models agree about an increase in projected mean annual precipitation and total runoff. For the far future, an increase in temperature, in mean annual precipitation, as well as in the total runoff, is projected using all climate models. Results also highlighted a higher temperature increase in winter than in other seasons and a higher increase in minimum temperature than in maximum temperature. The highest runoff increase is projected in winter, consistently, by all climate models. In addition, we assessed projected changes in high streamflow indicator based on the 90th monthly flow percentile (Q90). Based on the median of climate model simulations, we found that the mean basin-wide increase in monthly Q90 is 6.4 and 15 % for the near future and the far future, respectively. Nevertheless, the range of projected changes in precipitation, runoff and high flows calculated across the whole ensemble remains relatively high and spatial patterns are not fully consistent across different climate models.

Keywords

Climate change Temperature Precipitation River discharge Projections Upper Vistula Basin Poland 

References

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Mikolaj Piniewski
    • 1
    • 2
  • Mateusz Szczesniak
    • 1
  • Abdelkader Mezghani
    • 3
  • Zbigniew W. Kundzewicz
    • 2
    • 4
  1. 1.Warsaw University of Life SciencesWarsawPoland
  2. 2.Potsdam Institute for Climate Impact ResearchPotsdamGermany
  3. 3.Norwegian Meteorological InstituteOsloNorway
  4. 4.Institute for Agricultural and Forest EnvironmentPolish Academy of SciencesPoznańPoland

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