Modelling the impact of an urban development project on microclimate and outdoor thermal comfort in a mid-latitude city

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Julian Anders
  • Sebastian Schubert
  • Tobias Sauter
  • Siiri Tunn
  • Christoph Schneider
  • Mohamed Salim

External Research Organisations

  • Humboldt-Universität zu Berlin (HU Berlin)
  • Technische Universität Berlin
  • Aswan University
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Details

Original languageEnglish
Article number113324
JournalEnergy and buildings
Volume296
Early online date16 Jul 2023
Publication statusPublished - 1 Oct 2023

Abstract

This study assesses the impacts of sustainable urban development adapted to climate change in the city of Stuttgart, Germany. We use the state-of-the-art meteorological modelling system PALM-4U to simulate the microclimate and outdoor thermal comfort of the development site Neckarpark during a heatwave. We compare the atmospheric conditions of the current urban structure before the development project (2018) and the future state, representing the new district after completion (2025). Our results indicate that the restructuring barely affects surrounding neighbourhoods, but leads to mean near-surface air temperature increases in the centre of development between [Formula presented] and [Formula presented]. Differences in Physiologically Equivalent Temperature (PET) show a heterogeneous pattern at daytime, with a large amplitude and temporal variability in the diurnal cycle ([Formula presented]). At night, the planned buildings increase the mean PET by [Formula presented]. The new buildings reduce the effect of adaptation measures designed to increase the cooling effects, i.e. urban trees and vegetation, amplifying the thermal stress during heatwaves. Our study confirms the complex composite impacts of urban restructuring due to the thermal and dynamic flow processes. The paper may serve as a guide for the use of meteorological models to assess microclimatic impacts of planned development projects, contributing to urban planning and adaptation strategies.

Keywords

    Development, Microclimate, Outdoor thermal comfort, PALM-4U, PET, Urban planning

ASJC Scopus subject areas

Sustainable Development Goals

Cite this

Modelling the impact of an urban development project on microclimate and outdoor thermal comfort in a mid-latitude city. / Anders, Julian; Schubert, Sebastian; Sauter, Tobias et al.
In: Energy and buildings, Vol. 296, 113324, 01.10.2023.

Research output: Contribution to journalArticleResearchpeer review

Anders J, Schubert S, Sauter T, Tunn S, Schneider C, Salim M. Modelling the impact of an urban development project on microclimate and outdoor thermal comfort in a mid-latitude city. Energy and buildings. 2023 Oct 1;296:113324. Epub 2023 Jul 16. doi: 10.1016/j.enbuild.2023.113324
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abstract = "This study assesses the impacts of sustainable urban development adapted to climate change in the city of Stuttgart, Germany. We use the state-of-the-art meteorological modelling system PALM-4U to simulate the microclimate and outdoor thermal comfort of the development site Neckarpark during a heatwave. We compare the atmospheric conditions of the current urban structure before the development project (2018) and the future state, representing the new district after completion (2025). Our results indicate that the restructuring barely affects surrounding neighbourhoods, but leads to mean near-surface air temperature increases in the centre of development between [Formula presented] and [Formula presented]. Differences in Physiologically Equivalent Temperature (PET) show a heterogeneous pattern at daytime, with a large amplitude and temporal variability in the diurnal cycle ([Formula presented]). At night, the planned buildings increase the mean PET by [Formula presented]. The new buildings reduce the effect of adaptation measures designed to increase the cooling effects, i.e. urban trees and vegetation, amplifying the thermal stress during heatwaves. Our study confirms the complex composite impacts of urban restructuring due to the thermal and dynamic flow processes. The paper may serve as a guide for the use of meteorological models to assess microclimatic impacts of planned development projects, contributing to urban planning and adaptation strategies.",
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AU - Schubert, Sebastian

AU - Sauter, Tobias

AU - Tunn, Siiri

AU - Schneider, Christoph

AU - Salim, Mohamed

N1 - Funding Information: Julian Anders was supported by the Federal German Ministry of Education and Research ( BMBF ) grant 01UR2021B , Sebastian Schubert was partly supported by BMBF grant 033W107C , Mohamed Salim was supported by Module A of the BMBF -Programme [UC]2: MOSAIK-2 -further development of PALM-4U (grant 01LP1911E ), and Siiri Tunn was supported by BMBF grant 01UR2021B . Additionally, we acknowledge the funding received from Modul B of the BMBF -Programme [UC]2: 3DO+M - evaluation and scientific application of PALM-4U (project number: 01LP1912 ) to cover the publication fees associated with this work. Funding Information: Julian Anders, Sebastian Schubert, Siiri Tunn, Mohamed Salim reports financial support was provided by Federal Ministry of Education and Research Berlin Office.Julian Anders was supported by the Federal German Ministry of Education and Research (BMBF) grant 01UR2021B, Sebastian Schubert was partly supported by BMBF grant 033W107C, Mohamed Salim was supported by Module A of the BMBF -Programme [UC]2: MOSAIK-2 -further development of PALM-4U (grant 01LP1911E), and Siiri Tunn was supported by BMBF grant 01UR2021B. Additionally, we acknowledge the funding received from Modul B of the BMBF-Programme [UC]2: 3DO+M - evaluation and scientific application of PALM-4U (project number: 01LP1912) to cover the publication fees associated with this work.

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N2 - This study assesses the impacts of sustainable urban development adapted to climate change in the city of Stuttgart, Germany. We use the state-of-the-art meteorological modelling system PALM-4U to simulate the microclimate and outdoor thermal comfort of the development site Neckarpark during a heatwave. We compare the atmospheric conditions of the current urban structure before the development project (2018) and the future state, representing the new district after completion (2025). Our results indicate that the restructuring barely affects surrounding neighbourhoods, but leads to mean near-surface air temperature increases in the centre of development between [Formula presented] and [Formula presented]. Differences in Physiologically Equivalent Temperature (PET) show a heterogeneous pattern at daytime, with a large amplitude and temporal variability in the diurnal cycle ([Formula presented]). At night, the planned buildings increase the mean PET by [Formula presented]. The new buildings reduce the effect of adaptation measures designed to increase the cooling effects, i.e. urban trees and vegetation, amplifying the thermal stress during heatwaves. Our study confirms the complex composite impacts of urban restructuring due to the thermal and dynamic flow processes. The paper may serve as a guide for the use of meteorological models to assess microclimatic impacts of planned development projects, contributing to urban planning and adaptation strategies.

AB - This study assesses the impacts of sustainable urban development adapted to climate change in the city of Stuttgart, Germany. We use the state-of-the-art meteorological modelling system PALM-4U to simulate the microclimate and outdoor thermal comfort of the development site Neckarpark during a heatwave. We compare the atmospheric conditions of the current urban structure before the development project (2018) and the future state, representing the new district after completion (2025). Our results indicate that the restructuring barely affects surrounding neighbourhoods, but leads to mean near-surface air temperature increases in the centre of development between [Formula presented] and [Formula presented]. Differences in Physiologically Equivalent Temperature (PET) show a heterogeneous pattern at daytime, with a large amplitude and temporal variability in the diurnal cycle ([Formula presented]). At night, the planned buildings increase the mean PET by [Formula presented]. The new buildings reduce the effect of adaptation measures designed to increase the cooling effects, i.e. urban trees and vegetation, amplifying the thermal stress during heatwaves. Our study confirms the complex composite impacts of urban restructuring due to the thermal and dynamic flow processes. The paper may serve as a guide for the use of meteorological models to assess microclimatic impacts of planned development projects, contributing to urban planning and adaptation strategies.

KW - Development

KW - Microclimate

KW - Outdoor thermal comfort

KW - PALM-4U

KW - PET

KW - Urban planning

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