Quantifying the thermal performance of green façades: A critical review

Hunter, Annie M.; Williams, Nicholas S. G.; Rayner, John P.; Aye, Lu; Hes, Dominique; Livesley, Stephen J.

doi:10.1016/j.ecoleng.2013.12.021

Cited by 199 publications

(117 citation statements)

References 80 publications

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“…For instance, there is increasing evidence on the potential of green roofs and façades for enhancing climate regulation and counteracting urban heat island effects (e.g., "Green Living Room Ludwigsburg" TURAS-project, http://www.turascities.org/case_study). Workshop participants clearly stated that although knowledge is already available on the implementation of such solutions at the city level (e.g., greening roofs and façades in Levallius 2005, Yang et al 2008, Scherba et al 2011, Hunter et al 2014, Santamouris 2014, gaps remain that relate to questions such as the following: What technical knowledge and skills are required for multifunctional urban planning and how can this knowledge be included and interlinked with knowledge on environmental and social systems to produce the best possible synergies for, e.g., climate adaptation and mitigation?…”

Section: Knowledge Gaps Relating To the Effectiveness Of Nbs In Citiesmentioning

confidence: 99%

Nature-based solutions to climate change mitigation and adaptation in urban areas: perspectives on indicators, knowledge gaps, barriers, and opportunities for action

Kabisch¹,

Frantzeskaki²,

Pauleit³

et al. 2016

E&S

852

560

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. 2016. Nature-based solutions to climate change mitigation and adaptation in urban areas: perspectives on indicators, knowledge gaps, barriers, and opportunities for action. Ecology and Society 21 (2) ABSTRACT. Nature-based solutions promoting green and blue urban areas have significant potential to decrease the vulnerability and enhance the resilience of cities in light of climatic change. They can thereby help to mitigate climate change-induced impacts and serve as proactive adaptation options for municipalities. We explore the various contexts in which nature-based solutions are relevant for climate mitigation and adaptation in urban areas, identify indicators for assessing the effectiveness of nature-based solutions and related knowledge gaps. In addition, we explore existing barriers and potential opportunities for increasing the scale and effectiveness of nature-based solution implementation. The results were derived from an inter-and transdisciplinary workshop with experts from research, municipalities, policy, and society. As an outcome of the workshop discussions and building on existing evidence, we highlight three main needs for future science and policy agendas when dealing with nature-based solutions: (i) produce stronger evidence on nature-based solutions for climate change adaptation and mitigation and raise awareness by increasing implementation; (ii) adapt for governance challenges in implementing nature-based solutions by using reflexive approaches, which implies bringing together new networks of society, nature-based solution ambassadors, and practitioners; (iii) consider socio-environmental justice and social cohesion when implementing nature-based solutions by using integrated governance approaches that take into account an integrative and transdisciplinary participation of diverse actors. Taking these needs into account, nature-based solutions can serve as climate mitigation and adaptation tools that produce additional cobenefits for societal well-being, thereby serving as strong investment options for sustainable urban planning.

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Section: Knowledge Gaps Relating To the Effectiveness Of Nbs In Citiesmentioning

confidence: 99%

Nature-based solutions to climate change mitigation and adaptation in urban areas: perspectives on indicators, knowledge gaps, barriers, and opportunities for action

Kabisch¹,

Frantzeskaki²,

Pauleit³

et al. 2016

E&S

852

560

View full text Add to dashboard Cite

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“…The use of a two-dimensional system in a large building facade will require a constant maintenance since it does not have a specific system to channel the water and nutrients. The length of time for the climbing plant to fully cover the building can take up to 5 to 6 years (Hunter et al 2014).…”

Section: Factors Consideration For Choosing the Best Systemmentioning

confidence: 99%

Vertical Greening Wall as Sustainable Approach

Othman¹,

Sahidin²

2016

AjQoL

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To overcome the excessive heat in tropical climate countries during the day, the types of skin or façade play a vital role in regulating the temperature and the amount of heat transmission in a building. This research was carried out to evaluate the percentage of temperature reduction of two building samples, one with "vertical greening" and one without. The result proved that the temperature reduction of the building with the green façade system is higher than the building without the green façade system. Therefore, it justifies that Vertical Greening Wall does act as an acceptable passive approach for sustainable design.

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“…As low-cost, easily applicable vertical greening systems [33], DGFs offer additional greening potential for high density urban areas where space for shade trees is limited, but many high-rise building walls exist [5,14]. The potential to use DGFs may be even greater in areas of low-and medium-rise residential, industrial, and commercial buildings in large, sprawled cities [11].…”

Section: Introductionmentioning

confidence: 99%

“…Green façades use climbing plants (lianas, vines, and scramblers) to cover the walls. They offer a flexible and adaptable tool for environmental design [26] and can further be classified into direct and indirect (double-skin) green façades [11,21,27]. Direct green façades (DGFs) are constructed by attaching plants directly to the wall.…”

Section: Introductionmentioning

confidence: 99%

Cooling effect of direct green façades during hot summer days: An observational study in Nanjing, China using TIR and 3DPC data

Yin

Kong

Middel

et al. 2017

Building and Environment

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Highlights• Direct green façades (DGFs) are being applied to buildings in high density cities.• A new methodology to evaluate DGFs' fine-scale cooling effect is presented.• DGF enables 4.67 and 8.03 °C maximum surface temperature reduction compared to bare wall at overall and pixel scales.• DGF cooling effect is most obvious around midday and significantly decreases at night.• Surface temperatures of DGF exhibit significant spatial variations at pixel scale. AbstractThermal regulation is a key ecosystem service provided by direct green façades (DGFs), as vegetated walls absorb short wave radiation, reduce solar re-radiation from hard surfaces, and provide cooling due to shading and evapotranspiration. Few studies have investigated the correlation between the cooling effect of DGFs and vegetation characteristics at a fine spatial and temporal scale. This paper presents a new methodology to evaluate the cooling effect of DGFs related to fine-scale plant characteristics for hot summer days using thermal infrared (TIR) and three-dimensional point cloud (3DPC) data, through a case study conducted at the Executive Office Building on Nanjing University's Xianlin Campus, China. Results show that daily mean DGF surface temperature is significantly lower than the average bare wall surface temperature, with a maximum reduction of 4.67 °C. The cooling effect of the DGF is most obvious during midday (10:30 h to 16:00 h) and significantly decreases at night. At the pixel scale, the DGF exhibits a significant spatial variation of surface temperatures, which may be closely related to the DGF's canopy structure. Among the four vegetation indices acquired based on 3DPC data, the percentage of green coverage and the cooling effect of the DGF exhibited a linear relationship, while plant thicknesses, point density, and volume of the green façade were power function distributions. Incoming solar radiation and air temperature are the dominant independent variables in cooling effect and surface temperature fitting models. Our findings can guide DGF design to cool the thermal environment more effectively and to enhance building energy savings.

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Quantifying the thermal performance of green façades: A critical review

Cited by 199 publications

References 80 publications

Nature-based solutions to climate change mitigation and adaptation in urban areas: perspectives on indicators, knowledge gaps, barriers, and opportunities for action

Nature-based solutions to climate change mitigation and adaptation in urban areas: perspectives on indicators, knowledge gaps, barriers, and opportunities for action

Vertical Greening Wall as Sustainable Approach

Cooling effect of direct green façades during hot summer days: An observational study in Nanjing, China using TIR and 3DPC data

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