Quantification of carbon footprint of urban roads via life cycle assessment: Case study of a megacity-Shenzhen, China

Ruichang Mao, Huabo Duan, Dan Dong, Jian Zuo, Qingbin Song, Gang Liu, Mingwei Hu, Jiasong Zhu, Biqin Dong

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

As one of the largest energy consumers, the transport sector generated direct and indirect emissions which significantly affect the environment, accounting for approximately one-third of the total carbon emissions. While the major impacts are from transport energy use and emissions, very few studies attempted to examine the impacts from transport infrastructure, especially at a city or country level. This paper, taking Shenzhen in China (a fast developing megacity) as the case study, is specially designed to quantify the carbon footprint of the urban roads by using streamlined life cycle assessment method. For given years (ranged from 2004 to 2013), various activities of urban roads (e.g. newly planned road construction, maintenance of road in use, and road renovation and demolition) have been examined in this study. The results show that the total carbon footprint from urban roads in Shenzhen was 260 (±20) thousand tons CO2e in 2013. The major contributor was the materials use (embodied impact) from newly constructed roads, which accounts for 52.3% of the total carbon footprint, followed by the maintenance stage (24.3%). The eco-design process of road construction plays a vital role in achieving the effective carbon footprint reduction. These findings help to better understand the carbon footprint from urban roads in megacities, and provide useful inputs for policy making process in terms of identifying carbon reduction opportunities for the transport sector. In addition, the methodologies are useful for the quantification of carbon footprint in other cities of China and beyond.

OriginalsprogEngelsk
TidsskriftJournal of Cleaner Production
Vol/bind166
Sider (fra-til)40-48
ISSN0959-6526
DOI
StatusUdgivet - 2017

Fingeraftryk

Carbon footprint
carbon footprint
megacity
Life cycle
life cycle
road
Road construction
road construction
Demolition
Carbon
demolition
assessment method
carbon emission
Roads
Shenzhen
China
Quantification
Life cycle assessment
energy use
policy making

Emneord

    Citer dette

    Mao, Ruichang ; Duan, Huabo ; Dong, Dan ; Zuo, Jian ; Song, Qingbin ; Liu, Gang ; Hu, Mingwei ; Zhu, Jiasong ; Dong, Biqin. / Quantification of carbon footprint of urban roads via life cycle assessment : Case study of a megacity-Shenzhen, China. I: Journal of Cleaner Production. 2017 ; Bind 166. s. 40-48.
    @article{90490c531a4b4762b9c817883775b574,
    title = "Quantification of carbon footprint of urban roads via life cycle assessment: Case study of a megacity-Shenzhen, China",
    abstract = "As one of the largest energy consumers, the transport sector generated direct and indirect emissions which significantly affect the environment, accounting for approximately one-third of the total carbon emissions. While the major impacts are from transport energy use and emissions, very few studies attempted to examine the impacts from transport infrastructure, especially at a city or country level. This paper, taking Shenzhen in China (a fast developing megacity) as the case study, is specially designed to quantify the carbon footprint of the urban roads by using streamlined life cycle assessment method. For given years (ranged from 2004 to 2013), various activities of urban roads (e.g. newly planned road construction, maintenance of road in use, and road renovation and demolition) have been examined in this study. The results show that the total carbon footprint from urban roads in Shenzhen was 260 (±20) thousand tons CO2e in 2013. The major contributor was the materials use (embodied impact) from newly constructed roads, which accounts for 52.3{\%} of the total carbon footprint, followed by the maintenance stage (24.3{\%}). The eco-design process of road construction plays a vital role in achieving the effective carbon footprint reduction. These findings help to better understand the carbon footprint from urban roads in megacities, and provide useful inputs for policy making process in terms of identifying carbon reduction opportunities for the transport sector. In addition, the methodologies are useful for the quantification of carbon footprint in other cities of China and beyond.",
    keywords = "Carbon footprint, China, Shenzhen city, Streamlined life cycle assessment, Urban roads",
    author = "Ruichang Mao and Huabo Duan and Dan Dong and Jian Zuo and Qingbin Song and Gang Liu and Mingwei Hu and Jiasong Zhu and Biqin Dong",
    year = "2017",
    doi = "10.1016/j.jclepro.2017.07.173",
    language = "English",
    volume = "166",
    pages = "40--48",
    journal = "Journal of Cleaner Production",
    issn = "0959-6526",
    publisher = "Elsevier",

    }

    Quantification of carbon footprint of urban roads via life cycle assessment : Case study of a megacity-Shenzhen, China. / Mao, Ruichang; Duan, Huabo; Dong, Dan; Zuo, Jian; Song, Qingbin; Liu, Gang; Hu, Mingwei; Zhu, Jiasong; Dong, Biqin.

    I: Journal of Cleaner Production, Bind 166, 2017, s. 40-48.

    Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

    TY - JOUR

    T1 - Quantification of carbon footprint of urban roads via life cycle assessment

    T2 - Case study of a megacity-Shenzhen, China

    AU - Mao, Ruichang

    AU - Duan, Huabo

    AU - Dong, Dan

    AU - Zuo, Jian

    AU - Song, Qingbin

    AU - Liu, Gang

    AU - Hu, Mingwei

    AU - Zhu, Jiasong

    AU - Dong, Biqin

    PY - 2017

    Y1 - 2017

    N2 - As one of the largest energy consumers, the transport sector generated direct and indirect emissions which significantly affect the environment, accounting for approximately one-third of the total carbon emissions. While the major impacts are from transport energy use and emissions, very few studies attempted to examine the impacts from transport infrastructure, especially at a city or country level. This paper, taking Shenzhen in China (a fast developing megacity) as the case study, is specially designed to quantify the carbon footprint of the urban roads by using streamlined life cycle assessment method. For given years (ranged from 2004 to 2013), various activities of urban roads (e.g. newly planned road construction, maintenance of road in use, and road renovation and demolition) have been examined in this study. The results show that the total carbon footprint from urban roads in Shenzhen was 260 (±20) thousand tons CO2e in 2013. The major contributor was the materials use (embodied impact) from newly constructed roads, which accounts for 52.3% of the total carbon footprint, followed by the maintenance stage (24.3%). The eco-design process of road construction plays a vital role in achieving the effective carbon footprint reduction. These findings help to better understand the carbon footprint from urban roads in megacities, and provide useful inputs for policy making process in terms of identifying carbon reduction opportunities for the transport sector. In addition, the methodologies are useful for the quantification of carbon footprint in other cities of China and beyond.

    AB - As one of the largest energy consumers, the transport sector generated direct and indirect emissions which significantly affect the environment, accounting for approximately one-third of the total carbon emissions. While the major impacts are from transport energy use and emissions, very few studies attempted to examine the impacts from transport infrastructure, especially at a city or country level. This paper, taking Shenzhen in China (a fast developing megacity) as the case study, is specially designed to quantify the carbon footprint of the urban roads by using streamlined life cycle assessment method. For given years (ranged from 2004 to 2013), various activities of urban roads (e.g. newly planned road construction, maintenance of road in use, and road renovation and demolition) have been examined in this study. The results show that the total carbon footprint from urban roads in Shenzhen was 260 (±20) thousand tons CO2e in 2013. The major contributor was the materials use (embodied impact) from newly constructed roads, which accounts for 52.3% of the total carbon footprint, followed by the maintenance stage (24.3%). The eco-design process of road construction plays a vital role in achieving the effective carbon footprint reduction. These findings help to better understand the carbon footprint from urban roads in megacities, and provide useful inputs for policy making process in terms of identifying carbon reduction opportunities for the transport sector. In addition, the methodologies are useful for the quantification of carbon footprint in other cities of China and beyond.

    KW - Carbon footprint

    KW - China

    KW - Shenzhen city

    KW - Streamlined life cycle assessment

    KW - Urban roads

    U2 - 10.1016/j.jclepro.2017.07.173

    DO - 10.1016/j.jclepro.2017.07.173

    M3 - Journal article

    VL - 166

    SP - 40

    EP - 48

    JO - Journal of Cleaner Production

    JF - Journal of Cleaner Production

    SN - 0959-6526

    ER -