Preprint Article Version 1 This version is not peer-reviewed

The Impact of Morphological Features on Summer Temperature Variations on the Example of two Residential Neighborhoods in Ljubljana, Slovenia

Version 1 : Received: 12 January 2017 / Approved: 13 January 2017 / Online: 13 January 2017 (10:50:54 CET)

A peer-reviewed article of this Preprint also exists.

Fikfak, A.; Kosanović, S.; Konjar, M.; Grom, J.P.; Zbašnik-Senegačnik, M. The Impact of Morphological Features on Summer Temperature Variations on the Example of Two Residential Neighborhoods in Ljubljana, Slovenia. Sustainability 2017, 9, 122. Fikfak, A.; Kosanović, S.; Konjar, M.; Grom, J.P.; Zbašnik-Senegačnik, M. The Impact of Morphological Features on Summer Temperature Variations on the Example of Two Residential Neighborhoods in Ljubljana, Slovenia. Sustainability 2017, 9, 122.

Journal reference: Sustainability 2017, 9, 122
DOI: 10.3390/su9010122

Abstract

The study conducted in this paper is focused on a predominantly residential area of the City of Ljubljana – Koseze, which is characterized by generally favorable (bio)climatic conditions. Nonetheless, thermal satellite imaging showed that residential neighborhoods within the Koseze district display unexpected variations in summer temperatures. This observation called into question the benefits of existing bioclimatic features and indicated the need to investigate and compare two neighborhoods with similar urban parameters, with the aim to identify morphological differential characteristics impacting urban heat island (UHI) intensity. By applying the study methodology based on a literature review, surveys of key precedents, detailed mapping in two Koseze locations, in situ measurements, observations and recordings, thermal imaging and the analyses of statistical data, as well as by defining the four main categories of morphological urban parameters – structure, cover, fabric and metabolism, it was concluded that both neighborhoods have common morphological elements mitigating the UHI effect. Additionally, it was found that the neighborhood with higher UHI intensity has several less favorable features, such as busier roads, larger surface of parking corridors, and the existence of underground parking space. The traffic as an element of urban morphology hence represents the main cause of differences among UHI levels in the two Koseze neighborhoods.

Subject Areas

Koseze area; Mostec residential neighborhood (MRN); terraced residential neighborhood (TRN); urban heat island (UHI); urban cover; urban fabric; urban structure; urban metabolism

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