The DOI matches its Crossref record.
Comparative Life Cycle Assessment of Standard and Green Roofs
Abstract
Life cycle assessment (LCA) is used to evaluate the benefits, primarily from reduced energy consumption, resulting from the addition of a green roof to an eight story residential building in Madrid. Building energy use is simulated and a bottom-up LCA is conducted assuming a 50 year building life. The key property of a green roof is its low solar absorptance, which causes lower surface temperature, thereby reducing the heat flux through the roof. Savings in annual energy use are just over 1%, but summer cooling load is reduced by over 6% and reductions in peak hour cooling load in the upper floors reach 25%. By replacing the common flat roof with a green roof, environmental impacts are reduced by between 1.0 and 5.3%. Similar reductions might be achieved by using a white roof with additional insulation for winter, but more substantial reductions are achieved if common use of green roofs leads to reductions in the urban heat island.
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Citations
Cited by
Schinasi, L. H., Benmarhnia, T., & De Roos, A. J. (2018) · Environmental Research · doi:10.1016/j.envres.2017.11.004 · Cited by 169
Impact of building service life models on life cycle assessment
Grant, A., & Ries, R. (2013) · Building Research & Information · doi:10.1080/09613218.2012.730735 · Cited by 103
Alcazar, S. S., Olivieri, F., & Neila, J. (2016) · Urban Climate · doi:10.1016/j.uclim.2016.02.004 · Cited by 94
Metadata
- Authors
- Saiz, S., Kennedy, C., Bass, B., & Pressnail, K.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-05-24
- Volume
- 40
- Issue
- 13
- Pages
- 4312-4316
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2060935065
- Cited by
- 333
- References
- 0
- FWCI
- 8.71
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
