2015
DOI: 10.5194/hess-19-771-2015
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Climate impact on floods: changes in high flows in Sweden in the past and the future (1911–2100)

Abstract: Abstract. There is an ongoing discussion whether floods occur more frequently today than in the past, and whether they will increase in number and magnitude in the future. To explore this issue in Sweden, we merged observed time series for the past century from 69 gauging sites throughout the country (450 000 km 2 ) with high-resolution dynamic model projections of the upcoming century. The results show that the changes in annual maximum daily flows in Sweden oscillate between dry and wet periods but exhibit n… Show more

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Cited by 130 publications
(115 citation statements)
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“…Enhanced winter precipitation, which mainly falls as snow, has been reported in the late 1980s and 1990s, whereas snow depth increased until the 1980s, but has since then decreased (Lindström and Bergström, 2004;Holmlund et al, 2005;Callaghan et al, 2013). Similarly, snow duration decreased significantly over the last century (Callaghan et al, 2013;Arheimer and Lindström, 2015).…”
Section: Introductionmentioning
confidence: 99%
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“…Enhanced winter precipitation, which mainly falls as snow, has been reported in the late 1980s and 1990s, whereas snow depth increased until the 1980s, but has since then decreased (Lindström and Bergström, 2004;Holmlund et al, 2005;Callaghan et al, 2013). Similarly, snow duration decreased significantly over the last century (Callaghan et al, 2013;Arheimer and Lindström, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…The spring flood is approximately double the volume of the autumn flood caused by rainfall events (Arheimer and Lindström, 2015). Streamflow in northern Sweden can vary substantially at decadal scales as indicated by both the dry period in the 1970s and the wet period starting in the mid-1990s.…”
Section: Study Areamentioning
confidence: 99%
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“…Conventionally hydrological impacts on large river basins have been studied within global or continental impact studies; however large-scale studies entail compromises in model input data and calibration at the local scale (occasionally not being possible) (Donnelly et al 2014;Arheimer and Lindström 2015). Analysing climate change impacts between different regions in individually calibrated models allows for a comparative analysis and a holistic overview of the potential impacts, and can inform on the uncertainties in previous continental/global scale studies (e.g.…”
Section: Introductionmentioning
confidence: 99%
“…In the conceptualmodelling approach, synthetic runoff series are simulated from meteorological series, and are then used to calculated the runoff of chosen exceedance probability (Seibert, 1999, Arheimer andLindström, 2015). In the frequency-analysis approach, historical yearly time series of runoff are used to evaluate statistical estimators (i.e.…”
mentioning
confidence: 99%