METODY DOKUMENTOWANIA ZASTOSOWANE W BADANIACH TERENOWYCH STANOWISKA WIETRZEJĄCYCH ANHYDRYTÓW W PISKACH K. LWOWA

Damian Ługowski, Adrian Jarzyna, Maciej Bąbel, Krzysztof Nejbert

Abstract


DATA COLLECTING METHODS USED IN THE FIELD STUDY OF WEATHERING ANHYDRITES AT PISKY NEAR LVIV

Abstract. In the quarry at Pisky, 30 km south of Lviv, the volume of rock mass increases and unique relief features, called the hydration domes, are being formed due to weathering (hydration) of anhydrite (CaSO4) and its transformation into gypsum (CaSO4·2H2O). In the interiors of the growing domes, chambers are formed that gradually transform into caves called the hydration (or swelling) caves. Simultaneously, the rocks dissolve and their surface is covered with rillenkarren. The unusual weathering and geomorphological processes taking place today require accurate documentation and monitoring. In this paper we describe the optimum field methods used to document the zone of weathering. These methods include: method of benchmarks, method of 3D laser scanning, method of scanning with structured light LED, method of terrestrial photogrammetry, and method of modelling of 2.5D objects using photogrammetry. We discuss the advantages and disadvantages of the methods used.


Keywords


wietrzenie anhydrytów, jaskinie z pęcznienia, dokumentowanie, skaning laserowy 3D, skanowanie światłem strukturalnym, fotogrametria naziemna, metoda reperów

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