A multi-scale and GIS-based investigation of climate change effects on urban climate and building energy demand for the city of Stuttgart

This paper presents a multi-scale and GIS-based investigation approach whose goal is to quantify the consequences of a climate change scenario (2041-2050) on the energy demand of buildings by comparison to a past scenario (1991-2000) applied to the city of Stuttgart. Energy simulations are made at b...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-11, Vol.1343 (1), p.12008
Main Authors: Ali-Toudert, Fazia, Ji, Limei
Format: Article
Language:English
Subjects:
Buildings
Climate change
Cooling
Design of experiments
Heating
Microclimate
Physics
Post-production processing
Spatial data
Statistical analysis
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Summary:This paper presents a multi-scale and GIS-based investigation approach whose goal is to quantify the consequences of a climate change scenario (2041-2050) on the energy demand of buildings by comparison to a past scenario (1991-2000) applied to the city of Stuttgart. Energy simulations are made at building scale while taking into account the surrounding urban microclimates. The investigation method combines 1) numerical modelling using TEB and TRNSYS, 2) design of experiments (DOE) statistical analysis for data pre- and post-processing, and 3) GIS techniques. The outcome of the study is the heating and cooling energy demands summed up at city block level and displayed in 2D GIS maps. The results reveal that i) warmer urban microclimates occur, ii) with less heating and more cooling of buildings required if future versus past reference climate data are used. Spatial differences in the results within the city are found depending on the geometrical and thermal characteristics of the individual city blocks and buildings.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1343/1/012008