Dendrochronological study of the Sawicki landslide activity in the Beskid Niski Mts (Polish Flysch Carpathians)

Kiszka, Krzysztof

doi:10.12657/landfana.032.002

Cited by 10 publications

(4 citation statements)

References 17 publications

(14 reference statements)

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“…1), stanowiący najdalej na północ wysuniętą część Beskidu Niskiego w obrębie Karpat fliszowych (Starkel, 1972). Osuwisko Sawickiego jest jednym z największych w Karpatach -jego powierzchnia wynosi około 1,50 km² (Nawrocka, 2013;Gil, 2014;Kiszka, 2016 b). Według Rączkowskiego i Zabuskiego (2008) jest to aktywne, detruzywne osuwisko typu złożonego.…”

Section: Obszar Badańunclassified

Ruchy osuwiskowe w świetle badań dendrogeomorfologicznych na podstawie analizy osuwiska Sawickiego w Beskidzie Niskim = Landsilde movements based on dendrogeomorphological research based on a analysis of the Sawicki Landslide in the Beskid Niski mts

Kiszka¹

2021

Prace Geograficzne

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Research concerns the problem of landslide movement, which is one of the most important geomorphological processes in the Carpathians. The aim of the studies is to determine the temporal and spatial complexity of landslide activity and to demonstrate the suitability of using different species of conifers in the dendrogeomorphological method. The Sawicki landslide located in Beskid Niski Mts., which is one of the largest landslides in the Polish Flysch Carpathians, was selected for dendrogeomorphological analysis. The dendrogeomorphological method and geomorphological mapping were used in the research. 1078 samples from conifers (fir, spruce, larch and pine) growing on the Sawicki landslide and its immediate surroundings were taken using an increment borer in 2013- 2018. The cores were taken from the upslope and downslope side of the tree stump. The width of annual tree rings were measured for each extracted core sample. The landslide activity was assessed on the basis of the eccentricity, the eccentricity index and its yearly variation. Geological and topographic maps, published data on landslides activity in the research area, precipitation data from the Research Station in Szymbark (Institute of Geography and Spatial Organization Polish Academy of Science) for 1968-2017 and from the meteorological station in Krynica (Institute of Meteorology and Water Management) for 1881-2010 were also used for dendrogeomorphological research of Sawicki landslide. The research shows that the Sawicki landslide is characterized by varied temporal and spatial complexity of landslide activity. The dynamics of displacements within the research sites and research sub-sites, including various fragments of landslides, and movements of colluvial packages is spatially mosaic and chaotic in time. Mass movements covering almost the entire surface of the landslide occurred in the years 1913-1914 and 1974-1975, while in the years 1888, 1906-1907, 1916, 1918, 1929, 1965, 1973, 1980, 1983-1985, 1997 landslide activity was recorded only in its particular parts. The largest variation in the dynamics of landslide movements is characteristic for the period 1970-1985. It was also found that in the initial stage of formation of the landslide tongue, the colluviums movement is disordered. During further downhill movement, the direction of displacement is arranged. Periods of Sawicki landslide activity refers to extremely humid years (62%) and wet years (48%) and they are consistent with the years of landslides activity in Szymbark, listed in the current literature of the subject. The most predisposed conifer species to dendrogeomorphological analysis were spruce, larch and fir. Despite its limitations, the dendrogeomorphological method is a useful tool in landslide activity research.

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Section: Obszar Badańunclassified

Ruchy osuwiskowe w świetle badań dendrogeomorfologicznych na podstawie analizy osuwiska Sawickiego w Beskidzie Niskim = Landsilde movements based on dendrogeomorphological research based on a analysis of the Sawicki Landslide in the Beskid Niski mts

Kiszka¹

2021

Prace Geograficzne

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“…The Maślana Góra hill is formed by the flysch of the Magura Nappe and is composed of glauconitic sandstones, Ciężkowice sandstones, shales (variegated, red and green), marls, and conglomerates. The Sawicki landslide covers a 1.62 km 2 area and is 2850 m in length and 385 m in height, with a total volume of displacement material of 25 million m3, as described by Kiszka (2016) and Chowaniec et al (1977). The beginning of this landslide dates back to the end of the XVIII century.…”

Section: Geological Formation Characteristicsmentioning

confidence: 99%

Archives of Mining Sciences

Kozubal¹,

Bhat²,

Pradhan³

2018

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“…Ap pli ca tion of dendrochronological meth ods for the re con struc tion of past ac -tiv ity of mass move ment en ables de ter min ing the dis tri bu tion of land slide move ments over time, and re con struct ing land slide his tory (Braam et al, 1987a, b;Kr¹piec andMargielewski, 1991, 2000;Corominas and Moya, 1999;Stefanini, 2004;Stoffel et al, 2013;Silhan and Stoffel, 2015). The dendrogeomorphological stud ies aimed at iden ti fi ca tion of cli ma tic con di tions af fect ing the de vel op ment and ac tiv ity phases of land slides, con cern ing also nu mer ous land slides in the Beskidy Moun tains, and data for a large part of the Pol ish West ern Carpathians have been col lected (Kr¹piec andMargielewski, 1991, 2000;Kr¹piec and R¹czkowski, 2005;Kr¹piec et al, 2008;Kiszka, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…Dendrogeomorphological anal y sis pre sented in the pa per was car ried out on an ac tive land slide (~2.5 km long) called the Sawicki Land slide, sit u ated in the Beskid Niski Moun tains within the Flysch Carpathians. This land slide has been al ready analysed us ing one of the dendrogeomorphological meth ods, namely the deconcentricity method (Kr¹piec and R¹czkowski, 2005;Kr¹piec et al, 2008;Nawrocka, 2013;Kiszka, 2016). The aim of our study is to re con struct the his tory of Sawicki Landslide ac tiv ity, us ing com plex three com ple men tary meth ods: dat ing of ec cen tric ity of an nual growth rings, ec cen tric ity in dices, and anal y sis of re ac tion wood, based on seven spe cies of de cid u ous and co nif er ous trees.…”

Section: Introductionmentioning

confidence: 99%

Dendrogeomorphological analysis of the Sawicki Landslide in the Beskid Niski Mountains (S Poland)

Krąpiec¹,

Nawrocka²,

Margielewski

et al. 2019

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As so ci ate Ed i tor: Wojciech Granoszewski We ap plied dendrochronological anal y sis to study an ex ten sive (~2.5 km long) com plex-type land slide in the Beskid Niski Moun tains (Pol ish Flysch Carpathians), which was re ju ve nated in his tor i cal time (the ear li est trans for ma tion oc curred in 1913). We used three com ple men tary meth ods (dat ing of ec cen tric ity of an nual growth rings, ec cen tric ity in di ces, and anal ysis of re ac tion wood), based on seven spe cies of de cid u ous and co nif er ous trees. A to tal of 204 trees were sam pled and 408 cores col lected us ing a Pressler in cre ment borer. Based on the dendrochronological anal y sis, the ac tiv ity of var i ous parts of the land slide in the past cen tury is pre sented, which ap pears to have been di verse and in flu enced mostly by pre cip i ta tion. The up per part of the land slide was ac tive from the 1920s un til the 1940s. In the mid dle sec tion of the land slide, in ten si fi cations of grav i ta tional move ment were re peat edly re corded af ter in tense rain falls through out the en tirety of the last cen tury. The high est land slide ac tiv ity was dendrochronologically de tected in the 1980s and 1990s. In creas ing land slide ac tiv ity during so-called "dry years" may have been re lated to quick dry ing of the bed rock, re sult ing in changes in rock strength pa ram eters. Our re sults in di cate sig nif i cant sus cep ti bil ity of this par tic u lar slope-val ley geosystem in re sponse to even slight hydrogeological changes (in clud ing dry ness), which can trig ger ground move ment.

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Dendrochronological study of the Sawicki landslide activity in the Beskid Niski Mts (Polish Flysch Carpathians)

Cited by 10 publications

References 17 publications

Ruchy osuwiskowe w świetle badań dendrogeomorfologicznych na podstawie analizy osuwiska Sawickiego w Beskidzie Niskim = Landsilde movements based on dendrogeomorphological research based on a analysis of the Sawicki Landslide in the Beskid Niski mts

Ruchy osuwiskowe w świetle badań dendrogeomorfologicznych na podstawie analizy osuwiska Sawickiego w Beskidzie Niskim = Landsilde movements based on dendrogeomorphological research based on a analysis of the Sawicki Landslide in the Beskid Niski mts

Archives of Mining Sciences

Dendrogeomorphological analysis of the Sawicki Landslide in the Beskid Niski Mountains (S Poland)

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