The hydrogeological map is one of the most important application extensions of the geological base map. It is one of the most frequently used thematic maps, as it serves as a basis for many areas of administration. The hydrogeological map is an important basis for the development of technical principles in the field of groundwater management. Due to the complexity of hydrogeological systems, these data require a well-organized digital platform with suitable tools for interpretation and visualization. The data includes spatial, metrological and descriptive data associated with various active substances from the geosphere, hydrosphere and other systems. Directive 2007/2/EC, known as INSPIRE (Infrastructure for Spatial Information in the EU), was transposed into the Slovenian legal order by the Spatial Data Infrastructure Act. It defines the rules for access to high-quality hydrogeological and geological information. The relevant contents of the hydrogeological map are organized in a GIS data model that is harmonized with the INSPIRE directive.
The thesis deals with the GIS data model of the hydrogeological map of Krško - Brežice, which comprises 24 spatial objects. The spatial objects are divided into three thematic groups. Thematic group “geology” (11 spatial objects), “hydrogeology” (12 spatial objects) and “extent” (1 spatial object). The data model of the hydrogeological map is created in the spatial database ArcCatalog within the ESRI environment, in which spatial data of hydrogeological and geological contents are collected. This data can be overlaid, displayed and modified and can be transferred to other programming environments. The model does not follow classical cartography. Data symbols are arranged as attributes of data layers, and each spatial element is assigned a cartographic code that complies with the standards of the Geological Survey of Slovenia and INSPIRE recommendations. For a better understanding of the contents, the classic cartographic arrangement is made in ArcMap 10.7.1, and the results are exported to overview maps in JPG format, which are attached to the thesis. All data are provided with a metadata description that describes the available information resources so that we can find and access them.
The area under consideration is about 470 km² in size. It is a border area along the Slovenian-Croatian state border, which includes a large part of the municipalities of Krško and Brežice, a part of the municipality of Kostanjevica na Krka, Bistrica ob Sotli, Kozje and Šentjernej. The area of Krško and Brežice is economically very important for Slovenia, as it includes key activities such as energy, transportation, trade, tourism, crafts and agriculture. The municipality of Krško is located on the main road and railroad corridors, which enables favorable logistical connections and the development of commercial areas. Tourism is an important economic sector in the municipality of Brežice, where Terme Čatež and Terme Paradiso spas are located. The area is also known for its extensive agricultural land, which is connected to agricultural activity, cultivated areas and main roads.
The data model of the hydrogeological map of the Krško-Brežice area enables access to properly harmonized and high-quality hydrogeological and geological information of this area. Spatial data organized in this way enables easier and faster verification and analysis of the information of the area in question. The data is intended for direct use, the development of professional bases for efficient energy use, sustainable management and management of natural resources, nature conservation, development of environmental tourism, efficient spatial development and ensuring a high quality of life for the inhabitants.
To provide access to appropriately harmonized and high quality hydrogeological and geological information, we have organized the selected hydrogeological and geological content in a so-called GIS data model of the hydrogeological map, which is harmonized with INSPIRE, thus enabling its versatile use. The model is intended for direct use, preparation of professional bases in the management of the use of space and natural resources at regional, state and local level.
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