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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Snow depth variability at the plot scale: Assesment of topography and vegetation influence
 Murdychová, Pavlína ; Jeníček, Michal (advisor) ; Pevná, Hana (referee)
Snow depth variability at the plot scale: Assesment of topography and vegetation influence Abstract This master thesis deals with the evaluation of snow depth variability at the plot scale. It focuses on influence of topography and vegetation factors as slope, exposure, curvature, solar radiation and leaf area index. There is also assesment the impact of the size scale. Measurement was carried out in period of accumulation and snowmelt in winter 2014/2015 in the Krkonoše Mountains on Hanapetrova glade. To evaluate the effect of selected factors on variability of snow depth there was used multiple linear regresion and other descriptive statistical methods. The research shows that the variability of snow depth during the accumulation is greater in forest which is probably due to vegetation. The dependency was not confirmed by regression analysis. Higher variability of snow cover in the forest was also observed in the melting period. The variability of snow cover increased in the forest in general. The results show that the snow depth variability decreasses with increasing grid size. Keywords: snow accumulation, snowmelt, topography, vegetation, multivariate analysis
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The impact of artificial snow production on the runoff balance in mountain basins
 Murdychová, Pavlína ; Jeníček, Michal (advisor) ; Kučerová, Dana (referee)
This bachelor thesis handles issue of impact of artificial snow production on the runoff balance in mountain basins. First part of the thesis is summary of available literature about properties of artificial snow and its impact on natural sphere with regard to climate change. The second part of this thesis analyzed the change of water balance and runoff in selected basins in Krkonoše mountains. Data from monthly flows from three hydrological station - Vestřev (Labe), Horní Staré Město (Úpa), Dolní Sytová (Jizera) from 2003 to 2011 and data abstraction of water for snowmaking for the period 2001-2011 were used. The artificial snowmaking does not occure in long term to significant change in flow out, only to change their annual distribution. The impact of artificial snow production would be significant with evidence in a small basins. Keywords: artificial snow, snowmaking, water balance
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