rasm summary achievements and challenges may - …regional arctic system model workshop, november...

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Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November 2012 Andrew Roberts on behalf of the RASM development team Department of Oceanography, Naval Postgraduate School, Monterey, CA, [email protected]

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Page 1: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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]

Page 2: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

Page 3: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

Page 4: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Results from our latest suite of simulations

Page 5: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

Page 6: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

Page 7: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

Page 8: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Results from our latest suite of simulations

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Bottom Boundary

Page 9: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

The WRF leap-year boundary problem is fixed.

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 10: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

The North Pacific bias is much reduced

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 11: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Evolution of PMSL during 1990-2000

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 12: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Differences between equivalent r33 cases

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 13: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Differences between equivalent r33 cases

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 14: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Differences between equivalent r33 cases

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 15: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Conditions surrounding the r33RBVIC85 crash

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 16: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Conditions surrounding the r33RBVIC85 crash

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 17: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Conditions surrounding the r33RBVIC85 crash

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 18: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Conditions surrounding the r33RBVIC85 crash

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 19: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Conditions surrounding the r33RBVIC85 crash

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 20: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Conditions surrounding the r33RBVIC85 crash

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 21: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Conditions surrounding the r33RBVIC85 crash

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 22: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Marine cryosphere 1990-2000

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 23: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Marine cryosphere 1990-2000

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 24: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Marine cryosphere 1990-2000

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 25: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Marine cryosphere 1990-2000

Page 26: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Evolution of marine cryosphere during 1990-2000

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 27: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Evolution of marine cryosphere during 1990-2000

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 28: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

Evolution of marine cryosphere during 1990-2000

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 29: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

The surface temperature bias - complete removal of canopy

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 30: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

The surface temperature bias - complete removal of canopy

Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona

Page 31: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

Page 32: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

Page 33: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

Page 34: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

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Page 35: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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-

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ty

Page 36: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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

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ty

Page 37: RASM Summary Achievements and Challenges May - …Regional Arctic System Model Workshop, November 14-16 2012, University of Arizona RASM Summary Achievements and Challenges May - November

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