Precipitation as a factor triggering landslide activity in the Kamień massif (Beskid Niski Mts, Western Carpathians)

Abstract

On the landslide slope in the Beskid Niski Mts (Western Carpathians) 48 silver firs were cored for dendrochronological samples. Tree-ring widths were measured for the upslope and downslope sides of each stem. Events of landslide activity were dated using the method of the eccentricity index. The tree-ring record of landsliding was compared with the occurrence of precipitation in the study area. The nature of the relation between precipitation and landsliding is complex. We have found a statistically significant correlation between landsliding and the number of days with 24-hour precipitation totals above 20 mm and high 3-, 5-, and 10-day precipitation totals during winter half-years. Thus landsliding in the Kamień massif is triggered mainly by high precipitation totals in the preceding winter period. No such relation was found for annual precipitation totals and different types of precipitation totals in the summer period. Single landsliding events related to high summer precipitation totals were found, but the correlation is not statistically significant. In addition some landsliding events are 1–2 years lagged after the occurrence of high long-term precipitation totals. It seems that the strongest landsliding events resulted from sequences of wet summer, wet winter and once again wet summer seasons directly following one another.

Can we distinguish between tree-ring eccentricity developed as a result of landsliding and prevailing winds? consequences for dendrochronological dating

“…4, 5) (e.g. Wistuba et al, 2013;Migoń et al, 2014;Łuszczyńska and Wistuba, 2015;Papciak et al, 2015). The same interpretation concerns also the increases and decreases in the response index from the entire landslide slope (Fig.…”

“…Migoń et al, 2014;Wistuba, 2014;, triggering factors (e.g. Paolini et al, 2005;Šilhán et al, 2012;Łuszczyńska and Wistuba, 2015;Papciak et al, 2015;Cockburn et al, 2016), as well as topics related to the potential of landslide reactivation (e.g. Lopez Saez et al, 2012) and landslide hazard assessment (e.g.…”

Dendrochronological dating as the basis for developing a landslide hazard map – An example from the Western Carpathians, Poland

“…The area of landslide activity can go beyond the visible boundaries of the existing landside bodies, given that landsliding can also occur on a slope without any landslide landforms visible on the model or in the field of a landslide (e.g. head scarps, landslide blocks and toes, and hummocky topography) (Papciak et al, 2015;Fig. 5).…”

Czynniki uaktywniające i zróżnicowanie czasowe przemieszczeń koluwiów w różnych częściach stoku osuwiskowego – analiza dendrochronologiczna na przykładzie osuwiska Skalka (Moravskoslezské Beskydy)

“…Znaczenie wstrząsów sejsmicznych dla uruchamiania osuwisk w Karpatach opisywał Rączkowski (2007), a Gerlach i in. (1958) oraz Papciak i in. (2015) udokumentowali aktywność osuwisk w Beskidzie Niskim w związku z trzęsieniem ziemi w 1957 roku.…”