Evaluation of the Land Use/Land Cover (LULC) Change Effects on Land Surface Temperature (LST): A Case Study of Kağıthane Watershed

Authors : Betül Uygur Erdoğan, Reyhan Saglam, Rabia Vildan Yar

Pages : 141-157

Doi:10.17475/kastorman.1557407

View : 113 | Download : 184

Publication Date : 2024-10-03

Article Type : Research Paper

Abstract :Aim of study: This study was carried out to determine the effects of land use/land cover (LULC) change on land surface temperature (LST) using Landsat satellite images. Area of study: The study area is the Kağıthane watershed in Istanbul, where population growth and LULC changes are experienced most strikingly. Material and methods: Landsat 5 for 2002 and Landsat 8 for 2021 were used to investigate the relationship between LULC and LST and the correlation between NDVI and LST by the steps of classification of Landsat images to determine the change in LULC, estimation of normalized difference vegetation index (NDVI), calculation of the LST for 2002 and 2021. Main results: When the results were examined, the major increase and decrease were 1014.7 ha and 933.3 ha in urban and forest areas, respectively. The highest LST values related to LULC were observed in urban and open areas while the lowest values were observed in forest areas and water bodies. Besides, the lowest increase in LST was 0.6°C in forest areas, whereas the highest increase was detected in urban areas with 2.6°C. Research highlights: This study has shown the importance of protecting the forest areas in the watershed from fragmentation and how necessary it is to plan forests or green areas for cooling the urban climate.
Keywords : Arazi Kullanımı/Arazi Örtüsü (AKAÖ), Arazi Yüzey Sıcaklığı (AYS), Orman Alanları, Kentsel Havzalar, Serinletme Etkisi