Graphical Representation of Climate Model Architecture
Kaitlin Alexander, University of Manitoba
Steve Easterbrook, University of Toronto
Intercomparison Projects
• CMIP5
• PMIP3
• GeoMIP
• Architecture?
GCMs EMICs• COSMOS 1.2.1• Model E• HadGEM3• CESM 1.0.2• GFDL CM 2.1• IPSL CM5A
• UVic ESCM 2.9
atmosphere ocean coupler
land sea ice
land ice
sedimentfluxes from atmosphere
fluxes from ocean …
IPSL CM5A
2-Sided Models
COSMOS
Star-ShapedModels
CESM
Atmosphere-Dominated Models
HadGEM3
Ocean-Dominated Models
UVic
Large Land Components
Model E
CESM COSMOS
Encapsulated Integrated
Sea Ice
Sea Ice Interface
GFDL
Problems
• Code not pre-processed
• Sorting into components
• PowerPoint
HadGEM2-ES
u_model
um_shell
atm_step
ukca_main1
ocn_step
ice_ctl
HadGEM2-ES
Going forward
• 8-9 models
• 2-3 EMICs
• AR5 configurations
AcknowledgementsScientists who helped out:• Gavin Schmidt (NASA GISS)• Tim Johns (Hadley Centre)• Gary Strand (NCAR)• Arnaud Caubel, Marie-Alice Foujols, Anne Cozic (IPSL)• Reinhard Budich (MPI-Met)• Michael Eby (UVic)
Funded by NSERC and the Centre for Global Change Science at the University of Toronto.
