Utjecaj promjena podloge na toplinska obilježja grada Zagreba na temelju analize Landsat podataka

master's thesis

• Title (english): Impact of land surface changes on heat features in the city of Zagreb based on Landsat data
• Author: Matej Žgela
• Mentor: Mladen Maradin (mentor)
• Committee member: Mladen Maradin (predsjednik povjerenstva)
• Committee member: Anita Filipčić (član povjerenstva)
• Committee member: Luka Valožić (član povjerenstva)
• Granter: University of Zagreb; Faculty of Science; (Department of Geography); Zagreb
• Defense date and country: 2020-07-02, Croatia
• Scientific / art field, discipline and subdiscipline: INTERDISCIPLINARY AREAS OF KNOWLEDGE; Geography; Physical Geography

Abstract

Izgrađene površine sve više zamijenjuju prirodne, apsorbirajući više Sunčeve radijacije što utječe na stvaranje značajnih temperaturnih razlika između urbanih i ruralnih područja. Rezultat toga je formiranje urbanog toplinskog otoka (UHI) i lokalnih toplinskih otoka (LUHI). Promjenom obilježja podloge, tj. širenjem izgrađenih površina najčešće dolazi do porasta temperature površine tla (LST). Landsat podacima se pristupilo putem Google Earth Engine-a, napredne platforme za geoprostorne analize, putem koje su izrađene toplinske karte i karte NDVI-a. Na temelju njih analizirane su promjene toplinskih obilježja na šest odabranih primjera u gradu Zagrebu za ljetno razdoblje (2000. i 2019.) te zimsko razdoblje (2000./2001. i 2019./2020). Rezultati su pokazali da je širenje izgrađenih površina dovelo do značajnog porasta LST-a te jačanja intenziteta UHI-a Zagreba. Provedena regresijska analiza i Pearsonov koeficijent korelacije ukazuju na statistički značajnu vezu LST-a i NDVI-a.

Abstract (english)

Built-up areas are increasingly replacing natural ones, absorbing more solar radiation that affects large temperature differences between urban and rural areas. The results are the formation of an urban heat island (UHI) and local heat islands (LUHI). By changing the characteristics of the surface, ie. by the expansion of the built-up area, there is an increase in land surface temperature (LST). Landsat data is accessed through Google Earth Engine, an advanced platform for geospatial analysis, which is used to create heat maps and NDVI maps. Based on them, changes in thermal characteristics of six selected sample areas in the city of Zagreb for the summer period (2000 and 2019) and winter period (2000/2001 and 2019/2020) were analyzed. The results showed that the expansion of the built-up area led to a significant increase in LST and strengthening of the UHI intensity in Zagreb. Regression analysis performed in the paper and the Pearson correlation coefficient indicate a statistically significant relationship between LST and NDVI

• Keywords: urbana klimatologija; temperatura površine tla; Landsat; Google Earth
• Keywords (english): urban climatology; land surface temperature; Landsat; Google Earth Engine; NDVI
• Language: croatian
• URN:NBN: urn:nbn:hr:217:105587
• Study programme: Title: Geography; specializations in: Physical Geography with Geoecology, Spatial Planning and Regional Development, Heritage and Tourism, Geographic Information Systems, Course research; Course: Physical Geography with Geoecology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra geografije (magistar/magistra geografije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access; Embargo expiration date: 2022-01-21
• Created on: 2021-01-21 09:32:47