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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Changes in runoff from selected glaciated catchments in the Alps
 Chytil, Jan ; Jeníček, Michal (advisor) ; Nedělčev, Ondřej (referee)
Glaciers are crucial in alpine regions, especially during the summer months when they supply water to lower-lying regions. However, they are expected to melt more rapidly in the future and glacier water is expected to decline gradually. As a consequence, the seasonality of runoff from glacial catchments will change and the water deficit in the summer months will intensify. The goals of this thesis were (1) to assess the current state of knowledge on the hydrological regime of mountain glacier catchments and its changes, and (2) to evaluate the hydrological regimes of selected mountain glacier catchments in the Alps. Long time series from 5 glacier catchments in the Swiss Alps were used to find trends in monthly runoff. Trends were calculated using the Mann-Kendall trend test and quantified by the Sen's slope estimator. In general, the results indicated that summer flows increased the most in the catchments with the highest percentage of glaciation and also with the highest mean elevation. A decreasing trend in summer flows and an increasing trend in winter flows occurred at stations with low percent glaciation and large catchments area. Catchments with both low percent glaciation and the lowest average elevation were the least subject to trends in both average and extreme flows. Accelerating...
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The Simulation of Rainfall-runoff process for the Czech Elbe River Basin Using One Hundred Years Daily Series
 Buchtele, Josef ; Buchtelová, Marie ; Fořtová, Magda
Water regime changes happen in consequence of human activity on streams and in landscape. The present article deals with runoff changes caused by channel adjustment and by historical and recent reservoirs influence and deforestation and water withdrawal effect. The changes are evaluated by water balance and by rainfall-runoff process simulations.
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