National Repository of Grey Literature 12 records found  previous11 - 12  jump to record: Search took 0.00 seconds. 
Effect of canopy interception on snow accumulation at selected alpine localities in the Czech Republic
Nedělčev, Ondřej ; Jeníček, Michal (advisor) ; Falátková, Kristýna (referee)
This bachelor thesis analyzes the impact of canopy interception on snow accumulation. In the first part of the thesis, available literature about interception of snowfall on forest canopy is reviewed. In the second part of thesis, the reader is acquainted with the analysis concerning the effects of forest cover on snow accumulation. The thesis compares snow water equivalent under forest stands with different canopy density, under a disturbed forest due to bark beetle forest with snow water equivalent in adjacent open areas. Snow water equivalent in accumulation period in forest is 28% lower than snow water equivalent in open area. Ratio of snow water equivalent in forest to snow water equivalent in open area during accumulation period does not significantly change. Linear regression was used to describe the relationship between snow water equivalent and canopy density. The findings obtained from the regression show that snow water equivalent decreases with increasing canopy density.
Risk analysis methods of natural catastrophic processes in high mountain areas
Falátková, Kristýna ; Janský, Bohumír (advisor) ; Engel, Zbyněk (referee)
Glacial hazards such as ice or rock avalanches, debris flows, jökulhlaups or glacial lake outburst floods threaten lives and livelihoods of people. They may grow to unexpected magnitude, travel very long distances and afflict vast areas. To prevent loss of life and human installation damage, risk analyses need to be assessed for hazardous regions. There are various methods to gain information on slope stability, geology of moraine dam or loose debris availability. They can be divided into those used during terrain on-site research and methods of remote sensing. Based on processed data a risk analysis is created and mitigation measures are carried out if necessary.

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