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Temporary monitoring of areas prone to landslides illustrated with the example of the Klodne village

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Cwiakala P., Drwal P., Daroch M., Grabek P.

Infrastruktura i Ekologia Terenów Wiejskich

2014

nr IV/1

Mass wasting processes are very dangerous phenomena, mainly due to their unpredictability. Moreover, their tumultuous and rapid character has led to attempts of predicting the places of occurrence of such phenomena and to assess the possible threat. Unfortunately, it is not possible to monitor all potentially unstable areas, however, temporary monitoring of such areas, that are already activated, is legally required. Monitoring the area prone to mass movements is essential to assure the safety of its inhabitants and their possessions. The article presents the example of a surveying solution which was applied to monitor the landslide areas as well as their surroundings. The subject of the research was the landslide that occurred within the area of the Carpatians flysch in the village of Kłodne. Its activation, disastrous in its effects, occurred in 2010 and was caused by an intense rainfall. The first described stage of the research was the design and stabilisation of a control network. This resulted in the stabilisation of 68 points creating an observational network. The next stage, described in the article, was conducting two observational series using both satellite and classic measurement techniques. In the following part of the article, the results of the field measurements were discussed. The analysis of the results started with the calculation of coordinates of all points stabilised on the researched area in reference to the national spatial reference system. The calculations were made for each measurement series separately. After the conduction of works aimed at detecting fixed points in the creat ed surveying network, a slight horizontal displacement of several points located in the landslide area has been noticed. The determined displacements slightly exceed the values of measurement errors. In order to verify the obtained results, it is necessary to conduct more measurement series

Ograniczanie wyników

1 Infrastruktura i Ekologia Terenów Wiejskich

1 Cwiakala P.

1 Daroch M.

1 Drwal P.

1 Grabek P.

1 2014

Wyniki wyszukiwania

Temporary monitoring of areas prone to landslides illustrated with the example of the Klodne village