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Matthias Vogt

Douglas Nilsson. Lars Ahlm. Christer Johansson. Monica Mårtensson. Matthias Vogt. The Relationship Between 0.25-2.5 µm Aerosol Emission and CO 2 Emission Above the City of Stockholm. +. NE Highway. NW Urban Area. SW Residential Area. E Forest.

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Matthias Vogt

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  1. Douglas Nilsson Lars Ahlm Christer Johansson Monica Mårtensson Matthias Vogt The Relationship Between 0.25-2.5 µm Aerosol Emission and CO2 Emission Above the City of Stockholm + NE Highway NW Urban Area SW Residential Area E Forest Correlation between CO2 Flux and Particle Flux Results Anual Emission Factors obtained with EC-Method(yellow) and NOX Method(red) Correlation between street wetnessand Particle Flux Conclusions The highest values for the CO2 and particle fluxes are found the North Super micron fluxes show clear difference in magnitude for wet and dry streets only in the spring period Emission factors could be quantified in relation to : Fuel consumption (in terms of the amount of CO2emitted from fossil fuel), which has advantages for parts of the world where detailed traffic statistics are not available. Annual mass emission factor obtained with the eddy covariance method at the communication tower is slightly lower than that determined with the NOxmethod in the street canyon (28, 30 [mg·veh-1·km-1]). Acknowledgement We would like to thank the Swedish Research Council for Environment, Agricultural Science and Spatial Planning (FORMAS) and the Swedish Research Council (VR) for supporting this project.

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