Modelled radiative forcing of the direct aerosol effect with multi-observation evaluation.

Myhre, G.; Berglen, T.F.; Johnsrud, M.; Hoyle, C.R.; Berntsen, T.K.; Christopher, S.A.; Fahey, D.W.; Isaksen, I.S.A.; Jones, T.A.; Kahn, R.A.; Loeb, N.; Quinn, P.; Remer, L.; Schwarz, J.P.; Yttri, K.E.