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HOLISTIC GEOMORPHOLOGICAL SPATIAL ANALYSIS OF KARST ON KRK ISLAND
Ela Šegina, 2019, doctoral dissertation

Abstract: The intriguing spatial variability of surface features on Krk Island has stimulated the research of this karst area located in the coastal zone of the Dinaric karst in Croatia. Field inspection, ortho-rectified aerial photos (0.5m resolution) and a topographic map (1:5,000) were used for the detection and delineation of detectable karst surface features appearing on the island with the area of 405.5 km². This method resulted in the identification of several yet undefined types of surface features occurring on karst, requiring the revision of the existing classification and re-establishment of a new classification system compatible with the particular field reality. Several morphologic and distributive parameters that had been calculated for each re-classified type of surface feature provided insight into the surface features elementary characteristics, their spatial variability and the correlation to the other types of surface features and to the recent karst relief. This analysis based on a large, accurate dataset, contributed to the general knowledge on karstic surface features, the conditions of surface features in Dinaric karst and to the understanding of the karst surface evolution on Krk Island.
Keywords: karst geomorphology, GIS, spatial analysis, Krk Island, Dinaric karst, Adriatic Sea
Published in RUNG: 13.09.2019; Views: 4512; Downloads: 217
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KARREN OF THE KAMENJAK HUM (DALMATIAN KARST, CROATIA); FROM THE INITIAL DISSECTION OF FLAT SURFACES
Ela Šegina, 2015, original scientific article

Abstract: Rock relief is an important trace of the formation and development of karst phenomena on various carbonate rock. The existing current state is usually in a rich and diverse stage of homogeneous or heterogeneous development. The various forms of rock relief represent different ways and conditions a karst phenomenon formed and the developmental levels under the same conditions and with the same factors. Research into the connections between different developmental models is therefore necessary. Over time, not only rock relief but also rock forms begin to merge with one another. We are looking at the initial period of the development of a thick rock strata due to rain. On gently sloping rock strata, which tend to disintegrate at the edges, especially when they are inclined downwards, characteristic rock relief forms on the flat surfaces of larger planes, initially due to rainwater and sheets of creeping water and later through three-dimensional dissection and primarily the direct action of rainwater.
Keywords: karren, lithology, complexometry, rock relief, Lake Vrana, Croatia
Published in RUNG: 07.07.2017; Views: 3921; Downloads: 0
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