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The analysis of GLOFs database
Kovanda, Matouš ; Vilímek, Vít (advisor) ; Šobr, Miroslav (referee)
In many areas around the world, events occur when a large volume of water is suddenly released from a glacial lake. This event, called a Glacial Lake Outburst Flood (GLOF), can flood a large area under a glacial lake in a short time, posing a major risk to local populations and infrastructure. As there are many diverse factors that influence the occurrence, development and mode of occurrence of such an event, GLOFs are first described in this study, using mainly international literature for the description. In the research part, attention is directed to the analysis of the global database recording the past GLOFs. The GLOFs are divided into areas based on the place of origin, in which their total abundance over the entire period of record, the distribution of abundance in each decade since the early 20th century, and the distribution of abundance within a year are analysed. Attention is also directed to the glacial lakes themselves where the GLOF event occurred. The types and number of glacial lakes, the manner in which the lake spills water, and the number of repeated GLOFs are analyzed. Finally, the resulting values between the different areas are compared with each other and their similarities or differences are observed.
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