AEROCOM direct aerosol experiment A2 Status per 17.06.2011 Caveat: All submitted results have been run through the same analysis chain. Irregularities may arise both from the results themselves and from the analysis. If you see unexpected results from your own model please let us know and we will look into it. Unless otherwise stated, all values are for the anthropogenic aerosol fraction.

RF [W/m2] All sky: Clear sky: Comp CAM4-Oslo HadGEM2-ES MPIHAM_V2_KZ OsloCTM2 SPRINTARS-v384 GISS-MATRIX GISS-modelE CAM5 All -0,05 -0,31 -0,15 -0,43 -0,28 -0,49 -0,66 -2,08 SO4 -0,48 -0,58 -0,37 -0,25 0,26 -0,18 BCFF 0,37 0,19 0,14 0,38 0,17 0,22 0,25 OAFF -0,03 -0,04 -0,01 -0,08 -0,02 BB 0,07 -0,07 0,02 -0,16 SOA NO3 -0,11 -0,13 -0,26 CSum -0,33 -0,41 -0,27 -0,24 0,03 Clear sky: Comp CAM4-Oslo HadGEM2-ES MPIHAM_V2_KZ OsloCTM2 SPRINTARS-v384 GISS-MATRIX GISS-modelE CAM5 All -0,72 -0,44 -1,18 -0,29 -0,87 -0,39 SO4 -0,88 -0,50 -1,01 BCFF 0,21 0,11 0,26 OAFF -0,06 -0,12 BB -0,36 -0,14 -0,10 SOA NO3 -0,17 -0,05 Csum -1,14

RF [W/m2]

RF [W/m2] for BCFF Zonal means All sky Clear sky

Burden [mg/m2] NRF [W/g] Comp CAM4-Oslo HadGEM2-ES MPIHAM_V2_KZ OsloCTM2 SPRINTARS-v384 GISS-MATRIX GISS-modelE CAM5 SO4 2,78 1,59 2,30 2,61 2,13 1,48 1,10 1,71 BCFF 0,21 0,31 0,11 0,17 0,16 0,07 0,09 OAFF 0,28 0,24 0,18 0,81 0,25 0,22 0,44 BB 2,96 0,48 SOA 0,36 NO3 0,33 NRF [W/g] Comp CAM4-Oslo HadGEM2-ES MPIHAM_V2_KZ OsloCTM2 SPRINTARS-v384 GISS-MATRIX GISS-modelE CAM5 SO4 -173 -193 -122 -223 -172 -171 240 -107 BCFF 1763 612 1258 2271 865 2374 1328 2677 OAFF -118 -145 -81 -105 -98 -140 -146 -76 BB 24 -143 SOA -183 -56 NO3 -249 -191 -392 -781

NRF [W/g]

Burden [mg/m2], zonal means SO4 BCFF OAFF or BC NO3 BB SOA

AOT at 550 NRF [W/m2] Comp CAM4-Oslo HadGEM2-ES MPIHAM_V2_KZ OsloCTM2 SPRINTARS-v384 GISS-MATRIX GISS-modelE CAM5 SO4 0,0199 0,0142 0,0066 0,0293 0,0220 0,0165 0,0045 0,0096 BCFF 0,0016 0,0003 0,0022 0,0005 0,0009 0,0002 OAFF 0,0017 0,0055 0,0024 0,0025 0,0029 BB 0,0157 0,0038 0,0044 0,0008 0,0084 SOA 0,0007 0,0023 NO3 0,0051 0,0019 0,0083 0,0434 NRF [W/m2] Comp CAM4-Oslo HadGEM2-ES MPIHAM_V2_KZ OsloCTM2 SPRINTARS-v384 GISS-MATRIX GISS-modelE CAM5 SO4 -24 -22 -43 -20 -17 -15 58 -19 BCFF 241 114 431 172 256 188 99 1482 OAFF -21 -10 -30 -13 -11 BB 5 -18 -4 -8 SOA -28 -26 -7 NO3 -16 -6

NRF [W/m2]

Ext.coeff [m^2/g] Comp CAM4-Oslo HadGEM2-ES MPIHAM_V2_KZ OsloCTM2 SPRINTARS-v384 GISS-MATRIX GISS-modelE CAM5 SO4 7,2 8,9 2,9 11,2 10,3 4,1 5,6 BCFF 7,3 5,4 13,2 3,4 12,7 13,4 1,8 OAFF 6,0 7,0 6,8 9,8 4,7 11,7 6,6 BB 5,3 8,0 SOA 6,9 8,1 NO3 11,8 11,3 25,1 133,2

RF TOA all sky [W/m2 ]

RF TOA all sky [W/m2 ]

AEROCOM A2 – TOA/surface rad flux variables, per 2011-06-17 Model rsut rsutcs rsdt rsds rsus rsdscs rsuscs* CAM4-Oslo Yes No GISS-MATRIX Equiv GISS-modelE HadGEM-ES MPIHAM_V2_KZ OsloCTM2 SPRINTARS-v384 CAM5-MAM3-PNNL * Not requested, can be calculated from the others Delivered Not delivered Equivalent variable delivered that can be used Pre Delivered for PRE only Ctrl Delivered for CTRL only

AEROCOM A2 – 3D fields, per 2011-06-17 Model temp hus mmr<comp> pres CAM4-Oslo Yes GISS-MATRIX No GISS-modelE HadGEM-ES Ctrl-indir MPIHAM_V2_KZ OsloCTM2 Ctrl SPRINTARS-v384 CAM5-MAM3-PNNL * Not requested, can be calculated from the others Delivered for CTRL and PRE Not delivered Equiv Equivalent variable delivered that can be used Pre Delivered for PRE only Delivered for CTRL only