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Rozwój badań osuwisk w Państwowym Instytucie Geologicznym

Wójcik Antoni, Wojciechowski Tomasz, Wódka Marcin, Kaczorowski Jarosłąw, Kamieniarz Sylwester, Sikora Rafał, Kułak Marcin, Karwacki Krzysztof, Warmuz Bartłomiej, Perski Zbigniew

Przegląd Geologiczny

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2020

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Vol. 68, nr 5

356--363

EN

The paper presents the history and latest achievements in landslide research at the Polish Geological Institute (PGI). Since the establishment of PGI in 1919, landslides have been investigated during geological mapping in the Carpathians and considered by engineering geologists. After the 2nd World War, the importance of landslide research becomes more and more important following each landslide catastrophic event. Since 2008, the research on landslide and mass movements has been carried out systematically at the PGI within the SOPO (Landslide Counteracting System) project framework. Since that time, the SOPO project has been developing from landslide mapping and recording into a large spatial database, a sophisticated monitoring system (including on-line data acquisition) and susceptibility analysis, and early warnings with prediction capabilities. SOPO plays an important role to local and national administration. Together with the legal component, it allows defining a strategy for landslide risk reduction in Poland. Recently, landslide research plays so important role at the PGI that a special department, called Geohazard Center, has been established within the PGI organizational structure.

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Landslide susceptibility mapping in the Beskid Niski Mts., Western Carpathians (Dukla commune, Poland)

Bronowski B., Chybiorz R., Jura D.

Geological Quarterly

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2016

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Vol. 60, No. 3

586--596

EN

Landslides are one of the most prominent processes degrading the Beskidy Mts. slopes. Susceptibility assessment is based on the detailed mapping of the Dukla commune (235 km2) at the scale 1: 10,000 in frames of the project Landslide Counteracting System. The terrain affected by landslides is 19.59 km2, which is 8.34% of the researched area. The largest number of landslides can be found in the Beskid Dukielski Mts. area, where nearly 78% of all landslide areas are concentrated. Analysis of landslide-causing factors was performed using the index of entropy method. The following five factors were considered: lithology, slope inclination, slope aspect, distance to faults, and distance to drainage. The most important role in the development of mass movements in the study area is played by slope inclination (0.0079) and lithology of siliciclastic flysch (0.0066). The method applied also contributed to devising a landslide susceptibility map of considerable accuracy at 90.5%. The analyses of the landslide factors have proven that understanding of geology and landforms is not only of cognitive significance, but adds to practical applications in spatial management. The studies confirmed usefulness of large-scale mapping of landslides and applying statistical methods and GIS techniques in the spatial analysis of landform transformations. The obtained landslide susceptibility map can be a basis for assessing landslide risk. High and very high landslide susceptibility classes cover nearly 50% of the study area.

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Proposition of an integrated geodetic monitoring system in the areas at risk of landslides

Karsznia K., Tarnowska A.

Challenges of Modern Technology

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2013

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Vol. 4, no. 3

33--40

EN

The sense of security is being mentioned as one of the most essential human needs. By talking about safety, we understand a lot of factors and aspects that considered together prove its multidimensionality. E.g., you can refer safety to issues such as globalization, demographic changes or functioning of state services. These are examples of issues which, by virtue of the changing conditions of people’s living in contemporary world, never lose their topicality. One from crucial „dimensions” of safety aspect is the spatial information, which is functioning in the world of ICT and modern technologiesÂ and is often called geoinformation. Almost all aspects of life of the contemporary man depend on it. This is because almost every object or phenomenon has its location in space and time. Without adequate spatial information it is difficult to imagine a state security, industry or citizens. For example, appropriately presented road networks, power transmission lines, or actually conducted analyses of the transport efficiency or range of phenomena, have a substantial impact on the effectiveness of the public services and the economy. They constitute also a main component of strategic and crisis management. Very important is e.g. a proper coordination of services ensuring public and property safety, in emergency situations of natural phenomena danger (such as floods, landslides) or coordination of the units responsible for country’s infrastructure.

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Osuwiska leśne w bazie danych Systemu Osłony Przeciwosuwiskowej SOPO

Mozgawa J., Kwaśny Ł.

Roczniki Geomatyki

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2010

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T. 8, z. 7

31-38

PL

W celu uzyskania wiedzy, jakie informacje o cechach ekosystemów leśnych można uzyskać z baz danych SOPO, przeprowadzono pilotażowe badania empiryczne na osuwiskach leśnych zainwentaryzowanych na obszarze gminy Strzyżów, w województwie podkarpackim. Do badań empirycznych wybrano kompleks osuwisk leśnych, położony na terenie pasma górskiego Brzeżanka, które terytorialnie leży w zasięgu Czarnorzecko-Strzyżowskiego Parku Krajobrazowego, w strefie granicznej nadleśnictwa Strzyżów i Kołaczyce. Do obserwacji terenowej wybrano osuwiska o numerach identyfikacyjnych SOPO: 1819045-151, 1819045-183, 1819045-538 i 18119045-550. Szczegółowy opis analizowanych osuwisk dostępny jest na stronie internetowej pod adresem http://geoportal.pgi.gov.pl/ portal page/portal/SOPO. Analizę stanu osuwisk prowadzono w sierpniu 2010 r. Podczas terenowego oglądu zwracano przede wszystkim uwagę na elementy rzeźby wewnątrzosuwiskowej, występowanie charakterystycznych dla obszaru osuwisk form związanych z warunkami hydrologicznymi oraz na cechy powierzchni osuwiska, wskazujące na stopień jego aktywności.

EN

A map of slope instability is an important element for forest management on Polish Flysch Carpathian, which are prone to mass movements. The SOPO Landslide Counteraction Framework Project may create maps and data base for existed dormant and active landslides, located both on non-forested and forested areas. The hypothesis has been formulated that the SOPO database may be used for forestry purposes. On the territory of Czarnorzecko-Strzyżowski Landscape Park (south-eastern Poland) four landslides described in the SOPO database as dormant forest landslides were selected and the field investigations were conducted. The investigation proved that the SOPO database contained information about the landslide morphology and hydrogeology which could be useful for forestry. All field landslides analyzed had new activity features, most probably triggered by 2010 seasonal rainy weather. Practical and scientific consequences of the integration of SOPO databases with digital forest maps were discussed and the framework of the spatial decision support system for forest management on the forested landslide was proposed.