1. FRAM
Centre, NILU—Norwegian Institute for Air Research, P.O. Box 6606 Langnes, 9296 Tromsø, Norway
2. NILU—Norwegian Institute for Air Research, P.O. Box
100, 2027 Kjeller, Norway
3. Division
of Environment, Economics and Planning, COWI AS, P.O. Box 123, 1601 Fredrikstad, Norway
4. Department
of Geography and Environmental Studies, University of Chittagong, 4331 Chittagong, Bangladesh
5. Nanjing University of Information Science and Technology, School of Atmospheric Physics & Atmospheric Environment, 210044 Nanjing, China
6. Department
of Chemistry, University of Oslo, P.O. Box 1033, 0315 Oslo, Norway