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Atmospheric hydrogen variations and traffic emissions at an urban site in Finland
Atmospheric hydrogen variations traffic emissions Finland
2009/10/9
Atmospheric hydrogen (H2) mixing ratios were observed over a one year period from summer 2007 to 2008 in Helsinki, Finland. Relatively stable background values of hydrogen were occasionally observed a...
Global impact of road traffic emissions on tropospheric ozone
road traffic emissions tropospheric ozone
2008/12/5
Road traffic is one of the major anthropogenic emission sectors for NOx, CO and NMHCs (non-methane hydrocarbons). We applied ECHAM4/CBM, a general circulation model coupled to a chemistry module, whic...