中国煤炭铁路运输生命周期温室气体排放研究
张优, 程明今, 刘雪薇

Life cycle greenhouse gas emissions from China’s coal railway transport
ZHANG You, CHENG Mingjin, LIU Xuewei
图3 1999—2017年煤炭铁路运输温室气体排放总量的年际变化
Figure 3 Inter-annual variation of total life cycle greenhouse gas emissions (LC-GHGEs) from coal railway transportation, 1999-2017