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  • TR “mono”

    • ne30np4 → ne256np4

      • Tempest fixes from : weights are good. row sum error 1.3e-15, conservation error: 5e-14.

      • Status: GOOD

    • ne30np4->ne512np4

      • Status:

  • MBTR “mono”

    • ne30np4->ne256np4

    • --monotonic 1: mapping weights have NaNs

    • --monotonic 3 --noconserve (“intbilin” option) weights are bad, max = 2.5

    • Status: NOT USABLE

  • ESMF “bilin”

    • ne30np4->ne256np4

      • weights between [0,1]. row sum error 2.2e-16. conservation error: 3.4e-1 (bilin is not conservative)

      • mapping file frac_a=0 (BUG?), but frac_b=1

      • Status: GOOD

    • ne120np4->ne512np4

      • Status: GOOD

    • ne120np4->ne1024np4

      • 10M out of 120M weights are bad, >> 1.0. max row sum = 5.0

      • Status: NOT USABLE

  • ESMF “aave”

    1. We dont consider these maps. We are trying to move away from these maps since they require the “dual grid”, which is difficult to produce and unnatural for GLL grids.

MPAS → np4 grids

The TR improvements suggest we should take another look at “mono” maps for MPAS/EAM coupling:

  • TR “mono”

    • oRRS18to6 → ne256np4

    • oRRS18to6 → ne512np4

    • oRRS18to6 → ne1024np4

MPAS → pg2 grids

We expect SCREAM will ultimately be running on the ne1024pg2 “phys grid”. To create these compsets, we first need to create a domain file which needs the monotone map from the MPAS ocean grid to the pg2 grid.

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