| Institution | |
| Airborne activities | AWI Bremerhaven/Potsdam NIPR Tokyo, Japan ITM/MISU Stockholm, Sweden LaMP Clermont-Ferrand, France DLR-IPA Oberpfaffenhofen, Germany |
| Ground-based | Koldewey station AWI Bremerhaven/Potsdam Rabben station NIPR Tokyo, Japan Zeppelin Mountain ITM Stockholm, Sweden NILU Kjeller, Norway Pallas FMI Helsinki, Finnland Hornsund station IOPAN Sopot, Poland Norsk Polarinstitutt Norsk Polarinstitutt |
| Satellite | AWI Bremerhaven/Potsdam NIPR Tokyo, Japan NASA LaRC Hampton, USA |
| Modelling | AWI Bremerhaven/Potsdam |
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