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DOI | 10.3390/su16010286 |
Modeling the Effect of Green Roofs for Building Energy Savings and Air Pollution Reduction in Shanghai | |
Zheng, Yuanfan; Chen, Liang | |
发表日期 | 2024 |
EISSN | 2071-1050 |
起始页码 | 16 |
结束页码 | 1 |
卷号 | 16期号:1 |
英文摘要 | Building energy consumption is an essential source of greenhouse gas (GHG) and air pollution. Green roofs can directly absorb ambient CO2 and remove air pollutants through their vegetation layers, but a limited number of studies have examined their effects on GHG and air pollutant reduction associated with building energy savings, especially in the context of climate change. This research examined the performance of green roofs on CO2 and air pollutant reduction, including SO2, PM2.5, and NOx, through building energy demand savings in Shanghai, China. Climate change mitigation effects were assessed based on the energy consumption of five types of buildings before and after the installation of green roofs under 2020 and 2050 climate conditions, respectively. EnergyPlus software 9.5.0 was applied to simulate hourly energy consumption for different building prototypes with and without green roofs. Green roofs on all building types exhibited positive energy savings on annual, monthly, and diurnal scales, and they can save more energy for most of the building types under the projected 2050 climate condition. Moreover, most of the building energy saved by green roofs came from the Heating, Ventilation, and Cooling (HVAC) systems. In addition, this study discovered that the energy-saving benefits of green roofs vary based on the type of building they were installed on. Green roofs were found to have the largest energy saving on the shopping mall, especially on extremely hot summer days. Finally, a Geographic Information System (GIS)-based approach was developed with the ability to quantify the amount of GHG and air pollutant reduction associated with building energy savings for existing buildings in the Huangpu District of Shanghai. This approach was also utilized to present the spatial distribution of buildings with different levels of suitability to install green roofs by considering their location attributes and air pollutant reduction potential together, which is the major innovation of this research. The purpose of this study is to provide valuable guidance to policy makers regarding the performance of green roofs in building energy-saving and air quality improvement in the urban environment when facing the challenge of climate change, which is essential for urban sustainability. |
英文关键词 | green roofs; climate change mitigation; urban sustainability; building energy demand; air pollution; greenhouse gas |
语种 | 英语 |
WOS研究方向 | Science & Technology - Other Topics ; Environmental Sciences & Ecology |
WOS类目 | Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies |
WOS记录号 | WOS:001140636100001 |
来源期刊 | SUSTAINABILITY
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/308708 |
作者单位 | Shanghai Normal University |
推荐引用方式 GB/T 7714 | Zheng, Yuanfan,Chen, Liang. Modeling the Effect of Green Roofs for Building Energy Savings and Air Pollution Reduction in Shanghai[J],2024,16(1). |
APA | Zheng, Yuanfan,&Chen, Liang.(2024).Modeling the Effect of Green Roofs for Building Energy Savings and Air Pollution Reduction in Shanghai.SUSTAINABILITY,16(1). |
MLA | Zheng, Yuanfan,et al."Modeling the Effect of Green Roofs for Building Energy Savings and Air Pollution Reduction in Shanghai".SUSTAINABILITY 16.1(2024). |
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