1. Centre for Atmospheric ScienceUniversity of Cambridge Cambridge UK
2. National Centre for Atmospheric Science Leeds UK
3. Department of Earth Sciences, Royal HollowayUniversity of London Egham UK
4. School of Environmental SciencesUniversity of East Anglia Norwich UK
5. British Antarctic Survey Cambridge UK
6. School of Earth, Atmospheric and Environmental SciencesUniversity of Manchester Manchester UK
7. School of Research, Enterprise and InnovationManchester Metropolitan University Manchester UK
8. UK Meteorological Office Exeter UK
9. Facility for Airborne Atmospheric Measurements (FAAM)Cranfield University Cranfield, Bedford UK
10. Department of Atmospheric and Climate Research, InstituttveienNorwegian Institute for Air Research (NILU) Kjeller Norway