RASM Summary Achievements and Challenges May - November 2012

Transcription

1 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, afrobert@nps.edu

2 Nuts and Bolts: Work list, starting from last workshop 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

3 Nuts and Bolts: Work list, starting from last workshop 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

4 Results from our latest suite of simulations

5 Summary of cases Case Description r30rb1g Previous best simulation - tag 30 r32rb1a Removal of VIC canopy scheme - tag 32 r33rbvic60 VIC maximum albedo= tag 33 r33rbvic70 VIC maximum albedo= tag 33 r33rbvic70_fixed r33rbvic70 with radt=20 minutes in WRF r33rbvic85 VIC maximum albedo= tag 33 r33rbvic85_tight r33rbvic85 with tight ice-ocean coupling

6 Ensembles underway 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

7 Run times on Raptor - Cray XE6 21 hours / year using 704 cores (22 nodes) Month-on-month job submission using reservations Teething problems with year-on-year job submission

8 Results from our latest suite of simulations Bottom Boundary

9 The WRF leap-year boundary problem is fixed.

10 The North Pacific bias is much reduced

11 Evolution of PMSL during

12 Differences between equivalent r33 cases

13 Differences between equivalent r33 cases

14 Differences between equivalent r33 cases

15 Conditions surrounding the r33rbvic85 crash

16 Conditions surrounding the r33rbvic85 crash

17 Conditions surrounding the r33rbvic85 crash

18 Conditions surrounding the r33rbvic85 crash

19 Conditions surrounding the r33rbvic85 crash

20 Conditions surrounding the r33rbvic85 crash

21 Conditions surrounding the r33rbvic85 crash

22 Marine cryosphere

23 Marine cryosphere

24 Marine cryosphere

25 Marine cryosphere

26 Evolution of marine cryosphere during

27 Evolution of marine cryosphere during

28 Evolution of marine cryosphere during

29 The surface temperature bias - complete removal of canopy

30 The surface temperature bias - complete removal of canopy

31 Nuts and Bolts: Work list, starting from last workshop 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

32 Nuts and Bolts: Work list, evolving from last workshop 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

33 Nuts and Bolts: Work list, state of completion 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

34 Nuts and Bolts: Priorities complete priority 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

35 Path to Publication High priority 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-

36 6 Month Plan for RASM Coordinate publications and simulations between groups VIC/POP: Enable VIC coupling to POP through runoff High priority 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 Set up WRF climate archiving CPL: Upgrade to CESM 1.1 Complete first draft of RASM User Guide VIC: Steps towards upgrade to VIC WRF: Steps towards using GCM Boundary conditions CICE: Steps towards anisotropic CICE rheology in coupled runs

37 Paper Overarching paper Atmosphere Land focused Ocean Ice Summary Publication Plan Rational for regional coupled polar modeling Introduction to the RASM configuration Benefits of model coupling at higher resolution Baseline ensemble Outcomes of project (education) Baseline ensemble Offline WRF Baseline ensemble Offline VIC Baseline ensemble Offline POP/CICE and WRF Baseline ensemble Offline POP/CICE and WRF Education