LI Huan,DU Cheng-yin,LIANG Mei,et al.Low-carbon Layout of Municipal Road LID Facilities Based on Whole Life Cycle[J].China Water & Wastewater,2024,40(21):121-128.
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Low-carbon Layout of Municipal Road LID Facilities Based on Whole Life Cycle

China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU] volume: 第40卷 Number: 第21期 Page: 121-128 Column: Date of publication: 2024-11-01
Author(s):
LI Huan1; 2; DU Cheng-yin3; LIANG Mei4; WANG De-qi1; 2; LIU Xue-feng1; 2; CHEN Hai5; LIU Jian-lin6; LI Wei6; CAO Lian-bao6; ZHANG Ting-ting1; 2; WEI Bi-gui1; 2
（1. School of Environmental and Municipal Engineering， Lanzhou Jiaotong University， Lanzhou 730070， China； 2. Key Laboratory of Yellow River Water Environment in Gansu Province， Lanzhou 730070， China； 3. Guangdong Shouhui Blue Sky Engineering Technology Co. Ltd.， Guangzhou 510030， China； 4. Sponge City Construction Service Center of Tianshui， Tianshui 741000， China； 5. Tianshui Housing and Urban-Rural Development Bureau， Tianshui 741000， China； 6. Beijing General Municipal Engineering Design & Research Institute Co. Ltd.， Beijing 100082， China）
Keywords:
municipal road;  low impact development facility;  annual total runoff control volume;  carbon emission intensity;  whole life cycle
Abstract:
To acquire the low-carbon layout plan of municipal road low impact development (LID) facilities, the carbon emission intensity based on the total runoff control volume was defined, representing the ratio of the total carbon emissions throughout the whole life cycle to the total runoff control volume throughout the whole life cycle. The InfoWorks ICM model was constructed to investigate the main factors influencing carbon emission intensity in the Center Road of Tianshui City. When the annual rainfall remained constant, a relatively small proportion of permeable pavement or a relatively large proportion of rain garden had a superior control effect on carbon emissions. When the proportion of LID facilities area remained constant, the lower annual rainfall resulted in a better control effect on carbon emissions. The orthogonal test indicated that the influence of the three factors on carbon emission intensity in descending order was as follows: the proportion of permeable pavement area, the proportion of rain garden area and the annual rainfall. When the annual rainfall decreased by 10% and the proportions of both the permeable pavement and the rain garden area were 10%, the carbon emission intensity was the lowest. From the perspective of carbon emission reduction, prioritizing the layout of rain garden with the maximum area ratio, and appropriately increasing the area of permeable pavement when the volume capture ratio of annual runoff failed to meet the requirements, this optimal layout scheme had more favorable benefits in carbon emission reduction.
Last Update: 2024-11-01