Mode, Load, And Specific Climate Impact from Passenger Trips

被引：30

作者：

Borken-Kleefeld, Jens ^{[1
]}

Fuglestvedt, Jan ^{[2
]}

Berntsen, Terje ^{[2
,3
]}

机构：

[1] IIASA, A-2361 Laxenburg, Austria

[2] CICERO, N-0318 Oslo, Norway

[3] Univ Oslo, Dept Geosci, N-0315 Oslo, Norway

来源：

ENVIRONMENTAL SCIENCE & TECHNOLOGY | 2013年 / 47卷 / 14期

关键词：

EMISSIONS;

D O I：

10.1021/es4003718

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The climate impact from a long-distance trip can easily vary by a factor of 10 per passenger depending on mode choice, vehicle efficiency, and occupancy. In this paper we compare the specific climate impact of long-distance car travel with coach, train, or air trips. We account for both, CO2 emissions and short-lived climate forcers. This particularly affects the ranking of aircrafts climate impact relative to other modes. We calculate the specific impact for the Global Warming Potential and the Global Temperature Change Potential, considering time horizons between 20 and 100 years, and compare with results accounting only for CO2 emissions. The cars fuel efficiency and occupancy are central whether the impact from a trip is as high as from air travel or as low as from train travel. These results can be used for carbon-offsetting schemes, mode choice and transportation planning for climate mitigation.

引用

页码：7608 / 7614

页数：7

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