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Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
RASM Summary Achievements and ChallengesMay - November 2012
Andrew Roberts on behalf of the RASM development team
Department of Oceanography, Naval Postgraduate School, Monterey, CA, [email protected]
Nuts and Bolts: Work list, starting from last workshop
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Fix the land temperature bias in WRF and VIC
Fix the leap-year lateral boundary error in WRF
Enable VIC coupling to POP through runoff
Put together boundary layer budgets from all models
Set up WRF climate archiving
Merge VIC netcdf restart code into RASM
Improve computational efficiency of POP/CICE
Enable year-on-year execution of RASM
Enable archiving of RSL log files as part of CPL logs
Enable automated long term archiving on HPCMP machines
Fix case branching, disable CESM hybrid option
Standardize and save all restart and initialization inputs
Begin initialization and ensemble testing with new version
Complete first draft of RASM User Guide
Nuts and Bolts: Work list, starting from last workshop
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Fix the land temperature bias in WRF and VIC
Fix the leap-year lateral boundary error in WRF
Enable VIC coupling to POP through runoff
Put together boundary layer budgets from all models
Set up WRF climate archiving
Merge VIC netcdf restart code into RASM
Improve computational efficiency of POP/CICE
Enable year-on-year execution of RASM
Enable archiving of RSL log files as part of CPL logs
Enable automated long term archiving on HPCMP machines
Fix case branching, disable CESM hybrid option
Standardize and save all restart and initialization inputs
Begin initialization and ensemble testing with new version
Complete first draft of RASM User Guide
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Results from our latest suite of simulations
Summary of cases
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Case Description
r30RB1g Previous “best” simulation - tag 30
r32RB1a Removal of VIC canopy scheme - tag 32
r33RBVIC60 VIC maximum albedo=0.60 - tag 33
r33RBVIC70 VIC maximum albedo=0.70 - tag 33
r33RBVIC70_fixed r33RBVIC70 with radt=20 minutes in WRF
r33RBVIC85 VIC maximum albedo=0.85 - tag 33
r33RBVIC85_tight r33RBVIC85 with tight ice-ocean coupling
Ensembles underway
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Case Description
r33RBVIC70_fixed Start date September 1989
r33RBVIC70_fix1989 Start date November 1989, same initial conditions
r33RBVIC70_fix1990 Start date January 1990, same initial conditions
Run times on Raptor - Cray XE6
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
‣21 hours / year using 704 cores (22 nodes)‣Month-on-month job submission using reservations
‣Teething problems with year-on-year job submission
Results from our latest suite of simulations
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Bottom Boundary
The WRF leap-year boundary problem is fixed.
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
The North Pacific bias is much reduced
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Evolution of PMSL during 1990-2000
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Differences between equivalent r33 cases
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Differences between equivalent r33 cases
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Differences between equivalent r33 cases
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Conditions surrounding the r33RBVIC85 crash
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Conditions surrounding the r33RBVIC85 crash
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Conditions surrounding the r33RBVIC85 crash
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Conditions surrounding the r33RBVIC85 crash
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Conditions surrounding the r33RBVIC85 crash
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Conditions surrounding the r33RBVIC85 crash
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Conditions surrounding the r33RBVIC85 crash
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Marine cryosphere 1990-2000
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Marine cryosphere 1990-2000
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Marine cryosphere 1990-2000
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Marine cryosphere 1990-2000
Evolution of marine cryosphere during 1990-2000
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Evolution of marine cryosphere during 1990-2000
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Evolution of marine cryosphere during 1990-2000
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
The surface temperature bias - complete removal of canopy
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
The surface temperature bias - complete removal of canopy
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Nuts and Bolts: Work list, starting from last workshop
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Fix the land temperature bias in WRF and VIC
Fix the leap-year lateral boundary error in WRF
Enable VIC coupling to POP through runoff
Put together boundary layer budgets from all models
Set up WRF climate archiving
Merge VIC netcdf restart code into RASM
Improve computational efficiency of POP/CICE
Enable year-on-year execution of RASM
Enable archiving of RSL log files as part of CPL logs
Enable automated long term archiving on HPCMP machines
Fix case branching, disable CESM hybrid option
Standardize and save all restart and initialization inputs
Begin initialization and ensemble testing with new version
Complete first draft of RASM User Guide
Nuts and Bolts: Work list, evolving from last workshop
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Fix the land temperature bias in WRF and VIC
Fix the leap-year lateral boundary error in WRF
Enable VIC coupling to POP through runoff
Put together boundary layer budgets from all models
Set up WRF climate archiving
Merge VIC netcdf restart code into RASM
Improve computational efficiency of POP/CICE
Enable year-on-year execution of RASM
Enable archiving of RSL log files as part of CPL logs
Enable automated long term archiving on HPCMP machines
Fix case branching, disable CESM hybrid option
Standardize and save all restart and initialization inputs
Begin initialization and ensemble testing with new version
Complete first draft of RASM User Guide
Nuts and Bolts: Work list, state of completion
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Fix the land temperature bias in WRF and VIC
Fix the leap-year lateral boundary error in WRF
Enable VIC coupling to POP through runoff
Put together boundary layer budgets from all models
Set up WRF climate archiving
Merge VIC netcdf restart code into RASM
Improve computational efficiency of POP/CICE
Enable year-on-year execution of RASM
Enable archiving of RSL log files as part of CPL logs
Enable automated long term archiving on HPCMP machines
Fix case branching, disable CESM hybrid option
Standardize and save all restart and initialization inputs
Begin initialization and ensemble testing with new version
Complete first draft of RASM User Guide
Nuts and Bolts: Priorities
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Enable VIC coupling to POP through runoff
Begin initialization and ensemble testing with new version
Put together boundary layer budgets from all models
Standardize and save all restart and initialization inputs
Set up WRF climate archiving
Merge VIC netcdf restart code into RASM
Complete first draft of RASM User Guide
Enable year-on-year execution of RASM
Fix the land temperature bias in WRF and VIC
Enable automated long term archiving on HPCMP machines
Fix case branching, disable CESM hybrid option
Fix the leap-year lateral boundary error in WRF
Enable archiving of RSL log files as part of CPL logs
Improve computational efficiency of POP/CICE
com
plet
epr
iori
ty
Path to Publication
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
VIC/POP: Enable VIC coupling to POP through runoff
VIC: Fix albedo in VIC
WRF/VIC: Diagnose the land temperature bias in WRF and VIC
ALL MODELS: Put together boundary layer budgets from all models
CICE/POP: Diagnose parameter space for ‘reasonable’ sea ice
ALL: Enable year-on-year execution of RASM (1 day)
ALL: Initialization and ensemble experiments
WRF: ERA-Interim data 1979-
Hig
h pr
iori
ty
6 Month Plan for RASM
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Coordinate publications and simulations between groups
VIC/POP: Enable VIC coupling to POP through runoff
VIC: Fix albedo in VIC
WRF/VIC: Diagnose the land temperature bias in WRF and VIC
ALL MODELS: Put together boundary layer budgets from all models
CICE/POP: Diagnose parameter space for ‘reasonable’ sea ice
ALL: Enable year-on-year execution of RASM (1 day)
ALL: Initialization and ensemble experiments
WRF: ERA-Interim data 1979-
Set up WRF climate archiving
CPL: Upgrade to CESM 1.1
Complete first draft of RASM User Guide
VIC: Steps towards upgrade to VIC 4.1.2
WRF: Steps towards using GCM Boundary conditions
CICE: Steps towards anisotropic CICE rheology in coupled runs
Hig
h pr
iori
ty
Publication Plan
Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona
Paper Summary
Overarching paper
Rational for regional coupled polar modelingIntroduction to the RASM configurationBenefits of model coupling at higher resolutionBaseline ensembleOutcomes of project (education)
Atmosphere Baseline ensembleOffline WRF
Land focused Baseline ensembleOffline VIC
Ocean Baseline ensembleOffline POP/CICE and WRF
Ice Baseline ensembleOffline POP/CICE and WRF
Education