Increasing ozone over the Atlantic Ocean

被引:101
作者
Lelieveld, J [1 ]
van Aardenne, J
Fischer, H
de Reus, M
Williams, J
Winkler, P
机构
[1] Max Planck Inst Chem, Dept Atmospher Chem, D-55218 Mainz, Germany
[2] German Weather Serv, Meteorol Observ, D-82383 Hohenpeissenberg, Germany
关键词
D O I
10.1126/science.1096777
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Ship-borne ozone (O-3) measurements over the Atlantic Ocean during the period from 1977 to 2002 show that O-3 trends in the northern mid-latitudes are small. In contrast, remarkably large O-3 trends occur at low latitudes and in the Southern Hemisphere, where near-surface O-3 has increased by up to a factor of 2. The likely cause is the substantial increase of anthropogenic emissions of nitrogen oxides (NOx) associated with energy use in Africa, which has added to NOx from biomass burning and natural sources.
引用
收藏
页码:1483 / 1487
页数:5
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