Scientific journal publication Long-term trends of black carbon and sulphate aerosol in the Arctic: changes in atmospheric transport and source region emissions. Hirdman, D.; Burkhart, J. F.; Sodemann, H.; Eckhardt, S.; Jefferson, A.; Quinn, P. K.; Sharma, S.; Ström, J.; Stohl, A. Publication details Journal: Atmospheric Chemistry and Physics, 10, 9351–9368, 2010 DOI: 10.5194/acp-10-9351-2010 Link: acp-10-9351