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轨道交通的高效低污染特征备受关注,以广佛二期地铁为研究对象,测算广佛二期地铁的能源消费量,以及CO_2、CH_4、N_2O等温室气体(Greenhouse Gases,GHGs)排放量;再基于生命周期理论,采用量化方法对比广佛二期地铁与出租车、私人载客汽车、公交车、私人摩托车4种客运交通工具的能源利用效率、能源强度、碳排放强度;最后,分析广佛二期地铁对佛山市交通行业能耗和GHGs排放的影响。结果表明,广佛二期地铁近期能源消费量为4 562.95 t标准煤,CO_2排放量为12651.57t,CH_4排放量为0.152 t,N_2O排放量为0.201t。与燃油机动车相比,广佛二期地铁具有更高的能源利用效率,同时具有较高的节能减排潜力。研究表明,广佛二期地铁的开通不但是缓解佛山市机动车辆增长的重要方式,而且对城市交通节能减排具有重要意义。
Due to the high efficiency and low pollution characteristics of rail transit, much attention has been paid to the energy consumption of Guangfo Phase II Subway and the emissions of CO 2, CH 4, N 2 O and other greenhouse gases (Gases, GHGs) Based on the life cycle theory, the quantification method is used to compare the energy efficiency, energy intensity and carbon emission intensity of four kinds of passenger transport vehicles, such as Guangfo Phase II Subway and Taxi, Private Passenger Cars, Buses and Private Motorcycles. Finally, Impact of Guangfo Phase Ⅱ Subway on Energy Consumption and GHGs Emissions in the Transportation Sector of Foshan City. The results show that the recent energy consumption of Guangfo Phase II Metro is 4 562.95 t of standard coal, with 12651.57 tons of CO 2, 0.152 tons of CH 4 and 0.201 tons of N 2 O. Compared with the fuel-powered vehicles, Guangfo Phase II subway has higher energy efficiency and higher energy saving and emission reduction potential. The research shows that the opening of Guangfo Phase II Metro is not only an important way to alleviate the growth of motor vehicles in Foshan City, but also of great significance for energy saving and emission reduction in urban transport.