Participants: BIRA, NERC-BAS, SA/COS, IAP Bern, Bremen N, AWI, DMI, Karlsruhe, NILU, INTA, SA/CA, Liege, FzK, Chalmers, Bremen R
WP 4.2: Integration of GEOmon data with satellite observations (J. C. Lambert)
Participants: BIRA/IASB INSU IMK-FZK
WP 4.3 Evaluation of trends from ground-based series (P. Keckhut)
Participants: BIRA/IASB CNRS NERCBAS UNIVLEEDS