FORWARD SIMULATION
ATM type
"Real winds" transport
Analyzed meteorology
Anal. Met. Resolution
Simulation time-step
Simulation length
Spin-up period
Distribution of vert. levels
Model grid
Horizontal resolution
CCAM
LMDz
GCM*
GCM*
YES
YES
YES (NCEP)
YES (ECMWF)
12 hours
12 hours
1 hour
1 hour
1987 - 2004
1987 - 2004
4 years
4 years
Sigma coord. system Sigma coord. system
Genomic projection
Latitude/longitude
~2°-2°
3.75° - 2.5°
McGregor et al.
Relevant model publication
(1996)
Hourdin et al. (2006)
No. vertical levels
18
19
Text S2: Technical details of the four forward simulations
FRCGC
ATM**
YES
YES (NCEP/NCAR)
12 hours
40 min
1988 - 2004
3 years
Sigma coord. system
Latitude/longitude
2.5° - 2.5°
Maksyutov et al.
(2008)
15
TM3
CTM***
YES
YES (NCEP)
6hr
1hr
1990 - 2004
6 years
Sigma coord. system
Latitude/longitude
4° - 5°
Heimann & Körner (2003)
19
*General Circulation Model
**Atmospheric Transport Model
***Chemical Transport Model
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