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Add new SOwISC12to30E3r4 ocean and sea-ice mesh #120

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@xylar xylar commented Jan 22, 2025

Long name: SOwISC12to30kmL80E3SMv3r4

Alternative version of the Southern Ocean Regionally Refined (SORRM) mesh. Like SOwISC12to30E3r3, this mesh has resolution that is:

  • 12 km around Antarctica
  • 30 km elsewhere

In contrast to SOwISC12to30E3r3, this mesh uses ice-sheet and bedrock topography from the MALI mpas.ais4to20km.20241224.nc mesh and initial condition.

The mesh is with Ice-Shelf Cavities (wISC) around Antarctica and has 80 vertical layers.

This is a proposed E3SM v3 (E3) mesh for the FAnSSIE SciDAC project. This is revision 4 (r4) of the mesh. The mesh will be tagged on Compass as: https://github.com/MPAS-Dev/compass/releases/tag/mesh_SOwISC12to30E3r4 to aid reproduction in the future.

The mesh and the G-case results will be reviewed here:
https://acme-climate.atlassian.net/wiki/spaces/OO/pages/4915200255/Review+SOwISC12to30E3r4

@xylar xylar requested a review from jonbob January 22, 2025 11:11
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jonbob commented Jan 23, 2025

All new mapping and domain files staged on lcrc local inputdata for testing. I successfully ran:

  • SMS_D_Ln1.T62_SOwISC12to30E3r4.GMPAS-IAF.chrysalis_intel
  • SMS_D_Ln1.TL319_SOwISC12to30E3r4.GMPAS-JRA1p5.chrysalis_intel
  • SMS_D_Ld1.ne30pg2_r05_SOwISC12to30E3r4.WCYCL1850NS.chrysalis_intel

The mapping files also support:

  • ne30pg2_SOwISC12to30E3r4
  • TL319_SOwISC12to30E3r4_ais4to20

Still to do:

  • run G-case out to create spunup initial conditions for a B-case
  • make enhanced rof2ocn r250e1250_58NS for frozen runoff

cime_config/config_grids.xml Outdated Show resolved Hide resolved
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xylar commented Jan 24, 2025

@jonbob, thanks so much for adding these domain and mapping files so quickly!

@xylar xylar force-pushed the ocn-ice/mesh/sowisc12to30e3r4 branch from 59fa768 to 71a6581 Compare January 25, 2025 16:39
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xylar commented Jan 27, 2025

I am currently running 10-year G-cases with this mesh and SOwISC12to30E3r3 for direct comparison. I'm running on 8 nodes each to hopefully not get in anyone else's way on Chrysalis so it'll take some time. I think that will be long enough to establish whether we see any strange behavior before moving to E3SM. I don't think we need B-case runs yet.

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xylar commented Jan 27, 2025

Actually, I also want to make sure MALI's static mode produces landIcePressure that is similar enough to the landIcePressure in this initial condition before we move to E3SM, so that would be the other step still needed. That relies on:

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Approved based on testing -- though I didn't look at the mesh itself

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2 participants