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Chemical weathering of talus slopes: the example of slopes in the Brattegg Valley, Sw Spitbergen

Senderak K., Wąsowski M.

Studia Geomorphologica Carpatho-Balcanica

2016

Vol. 50

105—122

This paper presents the results of hydrogeochemical surveys carried out in the non-glaciated part of the Brattegg Valley near Hornsund Fjord (SW Spitsbergen). The aim of the study was to indicate places in periglacial zone with the greatest intensity of chemical weathering. The valley was divided into five zones where 11 observation sites were selected. The physico-chemical parameters of water were measured in situ. Water chemical composition was defined using ion chromatograph and mineral composition was obtained based on X-ray diffraction analysis. The results of the study show that in the studied valley, talus slopes are the most dynamic environment of the periglacial zone and are typified by the greatest intensity of chemical weathering.

Using tls for monitoring talus slope morphodynamics in the Tatra Mts

Rączkowska Z., Cebulski J., Rączkowski W., Wojciechowski T., Perski Z.

Studia Geomorphologica Carpatho-Balcanica

2017/2018

Vol. 51/52

179--198

This paper presents changes of surface relief of talus slopes in the Tatra Mts. based on terrestrial laser scanning (TLS) surveys conducted over five years. The changes are results of rapid mass movements, mainly debris flows and rockfalls. The results of the TLS surveys were analyzed with regards to meteorological conditions. It was found that debris flow activity is strongly related both to rainfalls and loose debris availability. The usefulness of the TLS survey for evaluation of the volume of rock material transported by rapid mass movement as well as the way this transport takes place was proven.