철도궤도시스템에 따른 CO2 배출량 평가

초록

The CO2 emission from railway system was quantified as one of the main factors causing a global warming problem. Generally, CO2 in human activities is produced from not only direct energy consumption but also indirect provision of goods and services. In this paper, individual CO2 emission of materials was calculated by analyzing the 2003 Input-Output Table which contains 404 sectors of all industries in Korea. In addition, the CO2 emission in construction materials of the gravel-ballast track and concrete-ballast track were also estimated as an application case. As the result, in most of materials, the main caue of CO2 emission was the rail. And concrete-ballast track was about 1.5 higher than gravel-ballast track.