Current trends in urban heat island mitigation research: Observations based on a comprehensive research repository

Aleksandrowicz, Or; Vuckovic, Milena; Kiesel, Kristina; Mahdavi, Ardeshir

doi:10.1016/j.uclim.2017.04.002

Cited by 101 publications

(35 citation statements)

References 87 publications

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“…From 2009-2013, 411 research articles on urban heat island (UHI) mitigation were published, reflecting a growing number of UHI phenomena research and found that vegetation-related measures were most researched compared to other measures [1]. A UHI study for Adelaide suggested that microclimates within the city may change within 1 km [2].…”

Section: Introductionmentioning

confidence: 99%

A Statistically Rigorous Approach to Experimental Design of Vertical Living Walls for Green Buildings

et al. 2019

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Living walls (LW) have been widely proposed as a form of green infrastructure to improve aesthetics, energy consumption, and microclimate in urban environments by adding densely-planted vegetation to the outside walls of buildings. Scientific studies using multiple treatments in a single LW face challenges due to the close physical proximity of different treatments, particularly the potential for plants above to influence those below. A study on a west-facing LW was undertaken to investigate 36 unique treatments in Adelaide, South Australia, for nine months. The LW comprised combinations of six native plant species, three soil substrates and two irrigation volumes. The LW consisted of 144 modular trays mounted on a wall in a 12 × 12 grid with four replicates of each treatment. The location of each treatment was designed to account for a cascading carry-over effect that may be present when one plant is placed above another. Carry-over effect of the model designed showed mixed results among the plant groups identified. It was also found that long-form plants can significantly shade smaller plants below them. Experimental research into the performance of plants in mixed species LW should consider the carry-over effect to account for this.

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Section: Introductionmentioning

confidence: 99%

A Statistically Rigorous Approach to Experimental Design of Vertical Living Walls for Green Buildings

et al. 2019

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“…On the other hand, mitigation strategies have the objective of diminish the UHI intensity, and in this way they would decrease energetic consumption and pollutant levels, and improve the comfort of the inhabitants [43]. This kind of strategy can be based on decreasing the absorption of solar radiation, improving the flow of air through the city, cooling some elements of the built environment, or decreasing the anthropogenic heat [53]. Some mitigation actions must be incorporated in the planning strategy of the city, like reservation of green zones and its adequate distribution in the city, urban form, selection of built form and use of materials with favorable characteristics [3,19,[54][55][56].…”

Section: Introductionmentioning

confidence: 99%

“…Some mitigation actions must be incorporated in the planning strategy of the city, like reservation of green zones and its adequate distribution in the city, urban form, selection of built form and use of materials with favorable characteristics [3,19,[54][55][56]. Modeling can be a valuable tool in urban planning for UHI mitigation [41,49,57], though the current models do not yet have the necessary predictive potential [53,58]. Other mitigation actions are increasing the number of planted trees, and use of cool roofs, green roofs, vertical gardens and cool pavements [3,12,14,25,29,43,57,59].…”

Section: Introductionmentioning

confidence: 99%

Characterization of the urban heat island at Bucaramanga, Colombia, using real-time temperature monitoring

Villamil-Almeida

Blanco-Mantilla

Salah-García³

et al. 2019

redin

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One of the meteorological effects in cities is the increase in local temperature, which is known as urban heat island (UHI). The objective of this study was to detect and quantify the possible UHI in the city of Bucaramanga, Colombia. For this purpose, a real-time temperature measurement network was installed, composed of seven nodes, used to obtain temperature values every minute. Six of the nodes were located in different positions in the city, and the remaining one was used to give the reference measurement. The data collected were processed for elimination of outliers, management of missing data and noise filtering. Analysis of the data allowed detecting differences in the diurnal and nocturnal UHI intensity trends. It was concluded that the UHI intensity during the day varies depending on the Local Climate Zone that represents the location, while the UHI intensity value at night is quite uniform across the city, with a mean value of 1.0 °C. It was also possible to conclude that the magnitude of the daytime UHI is lower in the dry season.

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“…Mitigation measures such as green roof, cool roof (with a high reflectance material), and water-retentive materials, have been developed with the expectation that they will serve as countermeasures to the urban heat island [1][2][3][4]. In recent years, in order to serve as effective solutions to outdoor human thermal environments under the influence of urban heat islands, adaptation measures such as awnings, louvers, directional reflective materials, mist sprays, and evaporative materials have been developed.…”

Section: Introductionmentioning

confidence: 99%

A Simple Method to Evaluate Adaptation Measures for Urban Heat Island

Takebayashi

2018

Environments

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In recent years, adaptation measures such as awnings, louvers, directional reflective materials, mist sprays, and evaporative materials, have been developed with the expectation that they will serve as effective solutions to outdoor human thermal environments that are under the influence of urban heat island. A simple method to evaluate the aforementioned adaptation measures is examined in this study, focusing on their appropriate introduction on urban space. The influence of the solar transmittance of adaptation measures such as shading, on mean radiant temperature (MRT) is approximately 1.5 • C per 0.10. If a shielding device that reflects a large amount of solar radiation and facilitates high levels of evaporation is developed, MRT and standard new effective temperature (SET*) will both decrease.

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Current trends in urban heat island mitigation research: Observations based on a comprehensive research repository

Cited by 101 publications

References 87 publications

A Statistically Rigorous Approach to Experimental Design of Vertical Living Walls for Green Buildings

A Statistically Rigorous Approach to Experimental Design of Vertical Living Walls for Green Buildings

Characterization of the urban heat island at Bucaramanga, Colombia, using real-time temperature monitoring

A Simple Method to Evaluate Adaptation Measures for Urban Heat Island

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