QUANTITATIVE MONITORING OF SLOPE MOVEMENTS AT THE BŘIDLIČNÁ HORA MT. (HRUBÝ JESEN ÍK MTS., CZECH REPUBLIC, EU)

Monitoring of scree cover (blockfield) on a plot located on slopes of the Břidlicna hora Mt. (1358.0 m a.s.l.) in the Hrubý Jesenik Mts. In the NE part of the Czech Republic has shown various slow movements of the majority of the blocks in the period of 1972–2008. Irregular and fluctuating movements without a certain trend were observed in 28 percent of cases (rotation and tilting of blocks). By the elevation of 30% blocks moved from minus 10 to minus 50 mm, by 10 percent they moved from minus 50 to 100 mm. Extreme elevation movement values of downslope movements have been observed in 7 percent of blocks (from minus 276 to minus 436 mm). The rest (25 percent) of block was stable.