Global-mean BC lifetime as an indicator of model skill? Constraining the vertical aerosol distribution using aircraft observations

Marianne Tronstad Lund1, Bjorn Hallvard Samset2, Ragnhild B Skeie1 and Terje Berntsen3, (1)CICERO Center for International Climate Research, Oslo, Norway, (2)CICERO, Oslo, Norway, (3)University of Oslo, Department of Geosciences, Oslo, Norway