Spatiotemporal variations in land surface temperature within an urban ecosystem: A comprehensive assessment of land cover change in Düzce, Türkiye.

Autor: Ataç, Ümran, İkiel, Cercis, Ustaoğlu, Beyza
Zdroj: GeoJournal; Dec2024, Vol. 89 Issue 6, p1-14, 14p
Abstrakt: Land cover change due to rapid urbanization and industrialization has been known to increase the land surface temperature around the world. For this reason, examining the variation of land surface temperatures and mitigating the related impacts remain a challenge. The changing land cover pattern in urban areas also affects the quality of life in urban areas by altering its environment, deteriorating air quality and increasing the frequency of extreme climatic events like high-intensity rainfall, drought, and development of urban heat islands conditions. Düzce, located in the Western Black Sea Region, where urbanization and industrialization have been expanding rapidly in Türkiye since 2000s, was selected as the study area. In the study area, natural disasters with hydrometeorological character have occurred frequently in recent years. Düzce is climate change sensitive and ecologically vulnerable areas. For this purpose, temporal and spatial changes in the land surface temperature were determined by Land Surface Temperature and Normalized Difference Vegetation Index Analysis with Landsat 7 ETM + in 2000 and Landsat 9 OLI in 2022. Landsat 7 ETM + in 2000 and Sentinel-2 in 2022 were analysed for land cover with object-based classification. Daily temperature and precipitation data were used for climatological analysis. Statistical data were used for population growth and hydrometeorological disaster. According to the results, settlement areas expanded, and an average temperature increase was observed in 2022 compared with 2000. The areas where land surface temperature values increase are determined as settlement areas, industrial and agricultural areas. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index