Spatio-temporal activity of mass movements in the Krušné Hory Mountains (Czech Republic): dendrogeomorphological case study

Abstract

The occurrence and evolution of crevice-type caves is one of the most spectacular phenomena in the progression of slope failures in distinct types of rocks. Crevices are common manifestations of disintegration of anisotropic flysch rocks in the area of the Carpathians. This paper presents the issues of the close connection between the evolution of gravitational slope deformations and the formation of crevice-type caves. Furthermore, it presents a contemporary view on the regional distribution of crevice-type caves in this area and outlines the recent progress and future possibilities of the investigation of this phenomenon. Based on the vertical distribution of different morphological zones within the caves and the main modes of their evolution, we can distinguish three basic types of crevice-type caves: (i) translational/spreading type, (ii) toppling type and (iii) rotational type.

Reconstruction of Landslide Activity Using Dendrogeomorphological Analysis in the Karavanke Mountains in NW Slovenia

“…Increment cores were taken from P. abies trees with a 400 mm Pressler borer with a core diameter of 5 mm. Cores were taken at the height of visible maximum bending of the tree or at breast height if the tree was not tilted [50,51,76,77]. Increment cores were taken from three different directions: on the lower part of the trunk, where compression wood was expected; on the upper part of the trunk; and perpendicular to the first sample (control sample) [14,52] (Figure 2).…”

“…It is also possible that a tree will not record a landslide signal at all. In dendrogeomorphology, there is considerable discussion regarding the selection of appropriate trees for sampling in terms of location, age, DBH, tree species, and damage (e.g., [36,77]). [19,53] recognized the relationship between tree age and tree species and its ability to record a landslide signal.…”

Registration of rock blocks movements using dendrogeomorphic methods: new methodical approach in a case of localities in the Moravskoslezské Beskydy Mts.

“…2011;Šilhán, Pánek, Hradecký 2012), eroze (Vandekerckhove a kol. 2001, Gärtner 2007, Malik 2008, povodně (Hrádek, Malik 2007;Zielonka, Holeksa, Ciapała 2008;Šilhán 2012b), sesuvy (Corominas, Moya 1999;Fantucci, Sorriso-Valvo 1999;Carrara, O'Neill 2003;Burda 2011;Pánek a kol. 2011;Šilhán 2012a).…”

“…Pohyby sesuvných bloků byly dendrogeomorfologickými metodami zkoumány mnohokrát (Stefanini 2004, Burda 2011, Lopez Saez a kol. 2012, Šilhán 2012a, Šilhán a kol.…”

Dendrochronological record of soil creep and landslide activity – the comparison of tree-ring eccentricity and compression wood (examples from the Kamienne Mts., Poland)

“…It is relatively easy to incorrectly attribute tree tilting to soil creep while, in fact, tilting results from phototropism, windthrows or snow creep (Carson & Kirkby 1972, Matsuzaki et al 2006. This is a limitation that makes dendrochronological analyses of soil creep rare and focused mainly on identifying stem deformations caused by this process compared to other environmental processes (Parizek & Woodruff 1957, Harker 1996, Bollati et al 2012) and on estimating the intensity of soil creep (Burda 2011, Sabir et al 2016.…”