Evaluating the potential for urban heat-island mitigation by greening parking lots

Onishi, Akio; Cao, Xin; Ito, Takanori; Shi, Feng; Imura, Hidefumi

doi:10.1016/j.ufug.2010.06.002

Cited by 291 publications

(133 citation statements)

References 42 publications

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“…Urbanisation increases surface temperatures in cities and affects the heat balance, while vegetation efficiently cools urban areas. Vegetation canopies cool the environment by providing shade and by transpiration of water through leaves [30]; evapotranspiration can transform a large portion of incoming solar radiation to the surface, which otherwise contributes to the underground heat storage, into latent heat, and makes the ground surface cooler [31]. Increasing the vegetation land cover could considerably reduce surface temperatures [32]; trees of a height of 5-10 m or thick hedges of a height of 1.5 m help to control the overheating of surfaces in buildings [33]; green areas reduce air-conditioning energy use and avoid carbon emission [34].…”

Section: Green Areasmentioning

confidence: 99%

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

et al. 2017

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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 images 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 imagery, 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.

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Section: Green Areasmentioning

confidence: 99%

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

et al. 2017

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“…Some use bivariate correlation to measure the direction and strength of the impact of each land use type [37,42,49]. Another group uses simple linear regression models so that the impact of each type on temperature can be quantified individually [80][81][82]. Others take best subset regressions that selectively incorporate land use types into the regression model to obtain the best fitted curve [26,38,47,74].…”

Section: Testing For Multicollinearitymentioning

confidence: 99%

The Seasonal and Diurnal Influence of Surrounding Land Use on Temperature: Findings from Seoul, South Korea

Kim¹,

Kim²

2017

Sustainability

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Abstract:There is a growing interest in understanding how the built environment affects temperature in cities. This study explores the impact of land use on temperature and how it varies by season and time of day in Seoul, South Korea. Unlike other studies that rely on extracted data from remotely sensed information, this study uses land use data from local GIS and near-ground temperature data from a network of state-run weather stations. To deal with multicollinearity among the land use variables, partial least squares regression models were used for analysis. Results suggest that residential and commercial uses and roads increase the temperature while open spaces decrease it. In detail, central commercial use, high-density residential use, and roads were influential heaters, while greenery was an influential cooler throughout the year. This study suggests the need for place-based planning and design solutions that help build climate resilience of cities.

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“…The benefits of vertical greening include noise abatement (Van Renterghem et al 2013), filtering of airborne dust and pollutants (Ottele et al 2010, Sternberg et al 2010, and reduction of temperature close to the area of vertical greening (Onishi et al 2010, Wong et al 2010, Perini et al 2011a). The thermal aspects of vertical greening are, however, still under debate (Hunter et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Plant performance in living wall systems in the Scandinavian climate

Mårtensson

Wuolo

Fransson

et al. 2014

Ecological Engineering

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Vertical greening has attracted increasing interest during recent years as a way of maintaining areas of vegetation despite increased urban densification. Living wall systems are a novel form of vertical greening in the Scandinavian climate and there is a lack of scientific knowledge on their functioning. We have performed a full-scale field experiment in an industrial area in Malmö, south-western Sweden, to compare the qualityquality and coverage of 16 plant species in two systems used for vertical greening. We hypothesized and found that: (1) living wall systems with perennial plants are feasible in the Scandinavian climate, (2) the qualityquality of plants was better and (2) the area covered was greater in the Rockwool system than in the pumice-filled pocket system. Individual plant species responded differently in the two systems. For example, Antennaria dioica seemed to perform well -in terms of qualityvisual quality -in the Rockwool system, but this was not reflected in the area covered. Achillea millefolia, on the other hand, showed better performance in the pumice-filled pocket system in terms of qualityquality, but this was not reflected in the area covered by the plants. Other species, such as Armeria maritima, did not perform better in either system in terms of qualityquality, but the area covered was higher in

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Evaluating the potential for urban heat-island mitigation by greening parking lots

Cited by 291 publications

References 42 publications

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

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

The Seasonal and Diurnal Influence of Surrounding Land Use on Temperature: Findings from Seoul, South Korea

Plant performance in living wall systems in the Scandinavian climate

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