CO2e emissions - usage perimeter
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CO2e emissions* (kgCO2e/traveller) on the main TGV, Intercity, TER and international routes (use perimeter). The scope of use for calculating CO2e emissions is defined as the accounting of the emissions of the scope of use, i.e. the emissions produced during the use of the vehicle (fuel or electricity consumption). Estimate calculated as follows: travel distance x CO2 emissions per kilometre of a passenger. All the data and calculation methodologies are detailed in the information document on the amount of greenhouse gases emitted during a transport service, available here: <https://ressources.data.sncf.com/explore/dataset/info-ges/information/>. The sources of the distance data are as follows: * For the train: SNCF source data; * For long-distance coaches: data from the results of several bus companies (Flixbus, Blablabus and local companies); * For the car: data from Mappy results. When the same journey is operated by several carriers (TGV, TER, Intercités), it must be considered that the TGV carbon footprint is displayed; * For aircraft: data from Google Maps, from distances as the crow flies. For the aircraft, condensation and cirrus trails are not taken into account. The names of stations and the distances between stations are given for information purposes only, and may vary depending on the planned date of travel and the route chosen. _*CO2e: CO2 equivalent_
本数据集统计法国高速列车（TGV，Train à Grande Vitesse）、城际列车、大区快铁（TER，Train Express Régional）及国际线路的二氧化碳当量（CO₂e, CO2 equivalent）碳排放，单位为千克CO₂e/每位旅客。 本数据集的碳排放核算使用边界定义为车辆使用阶段的碳排放核算，即车辆运行过程中因燃料或电力消耗产生的碳排放。 碳排放估算公式如下：旅行里程 × 单位里程乘客碳排放强度。 所有数据及计算方法详见《运输服务温室气体排放量信息文件》，具体链接为：<https://ressources.data.sncf.com/explore/dataset/info-ges/information/>. 里程数据来源如下： * 铁路列车：法国国营铁路公司（SNCF, Société Nationale des Chemins de fer Français）源数据； * 长途客车：多家巴士运营商（Flixbus、Blablabus及地方客运企业）的运营数据； * 私家车：Mappy平台的出行数据。当同一行程存在多种承运方式（如TGV、TER、Intercités城际列车）时，仅展示TGV的碳足迹数据； * 民航客机：谷歌地图（Google Maps）的直线距离数据。 民航客机的碳排放核算未考虑凝结尾迹及卷云的影响。 车站名称及站间距离仅供参考，实际数据可能因出行计划日期及所选线路不同而发生变动。 *CO₂e：二氧化碳当量（CO2 equivalent）
