Analysis of current validation practices in Europe for space-based climate data records of essential climate variables. - Yijian Zeng; Bob Z. Su; Jean-Christophe Calvet; Terhikki Manninen; Else Swinnen; Jörg Schulz; Rob Roebeling; Paul Poli; D. Tan; Aku Riihelä; Cemal Melih Tanis; Ali Nadir Arslan; et al. (Int. J. Appl. Earth Obs. Geoinformation, 2015)