AWI-ESM3 CO2 coupling#806
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JanStreffing wants to merge 28 commits into
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This branch still needs some cleanup. I very optimistically add it to 2.7 for now. |
…ars' into fesom2.6_recom_awiesm3_co2_coupling
…m_awiesm3_co2_coupling
…m_awiesm3_co2_coupling
…m_awiesm3_co2_coupling
PR #799 set any accumulated output value below 1e-30 to _FillValue. That also masks legitimate ocean zeros: ice-free sea-ice concentration (a_ice and all other 2D ice variables) and vanishing 3D fields such as IDEMIX energy were written as NaN instead of 0, contrary to the CMIP/CMOR convention. The masking was applied uniformly to 2D and 3D fields. Replace the value-based test with a proper wet-cell mask derived from the mesh level arrays (ulevels/nlevels for elements, ulevels_nod2D/ nlevels_nod2D for nodes). Only cells above a cavity or below the bottom topography are written as _FillValue; every wet cell keeps its averaged value, including a genuine zero. 2D fields and non-spatial vertical axes (density / ice classes) are never masked. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…dmask' into fesom2.6_recom_awiesm3_co2_coupling
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Not to be merge before: #802 is done.