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BLUE-GREEN INFRASTRUCTURE OF METROPOLITAN AREAS: CHANGES, TRENDS, ENVIRONMENTAL POTENTIAL
Abstract
The blue-green infrastructure is a network of interconnected natural areas. Its development is particularly important for heavily urbanized areas, which are prevalent in metropolitan regions. Metropolises are densely populated urban areas. In the article focusing on the Gornoslasko-Zaglebiowska Metropolis (GZM), utilizing the Urban Atlas database, Geographic Information Systems (GIS), and remote sensing tools (Based on Sentinel 2 satellite imagery), an analysis of changes in blue-green infrastructure objects was conducted for the years 2006, 2012, 2018 and 2023. The results indicated a gradual decrease in green areas in favor of dense residential development (mainly in the center of GZM). However, the largest share of GZM areas (especially its outskirts) consists of forests, meadows and pastures. To a small extent, the share of urban greenery has increased in the subsequent years under study. The results showed that the methods used allow for an effective analysis of changes in land cover with blue-green infrastructure and the need to develop it for the purposes of increasing retention and reducing the negative effects of climate change.
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