Analiza zmian zagospodarowania osiedla Kozanów we Wrocławiu w latach 1934–2020 na podstawie wybranych źródeł kartograficznych
Analysis of land use changes of Kozanów neighborhood in Wrocław in the years 1934–2020 based on selected cartographic sources

Summary/Abstract: The purpose of the work was to conduct the analysis covering the area of Kozanów neighborhood before and after the occurrence of the commonly named “Millennium flood” in 1997. The scope of the work included the analysis of four time states presented on old maps from 1934, 1979 and 1997 and a fragment of the OpenStreetMap database (OSM) current for 2020. The research included quantitative analyses, consisting of comparing all feature classes among the analyzed time states, as well as qualitative analyses, relating to the detailed characteristics of the maps and the OSM database. In order to ensure the comparability of all types of land use, old maps were georeferenced, and then the data contained on the maps were vectorized, which allowed to obtain a universal vector database for all tested time states. This enabled the design of maps of the Kozanów neighborhood for individual years and maps of changes presenting quantitative changes by feature classes. The output maps show an increase in the area of buildings and length of roads as well as a decrease of green areas and wastelands. The results of the work allowed us to draw conclusions regarding the severe negative effects of the flood that occurred in this neighborhood and the evaluation of the use of the OSM database in such analyses.

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