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ICON-eCLM: add coupling field CLMTOPOG (topography) from ICON - #156

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s-poll merged 3 commits into
masterfrom
exchcoef-2-topography
Oct 27, 2026
Merged

s-poll merged 3 commits into
masterfrom
exchcoef-2-topography

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@s-poll s-poll commented Oct 24, 2026

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Summary

Receive the atmospheric surface height (CLMTOPOG) from ICON. It is used for forc_topo_grc, which eCLM uses for downscaling and which was otherwise left unset in ICON-coupled runs.

Changes

  • add coupling field CLMTOPOG (topography) from ICON

Stacked PR 2 of 4

- add global variable q_sf_grc and q_sf_patch
- add ram1,rah1 and raw1 as global variables
- introduce namelist parameter use_exchcoef_oascoupling
- introduce exchange coefficient approach coupling
- add coupling in lake landunit
- fix namelist parameter use_exchcoef_oascoupling
- use effective moisture resistance for raw1 at BareGroundFluxesMod.F90
- combine parallel resistances by area-weighting their conductances
- guard the gridcell resistance inversion against spval and unset patches
@s-poll
s-poll requested a review from kvrigor October 24, 2026 11:45

@kvrigor kvrigor left a comment

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I see diffs here that are already in #154 ... please merge that first to master and then rebase this PR

@s-poll
s-poll merged commit 6031712 into master Oct 27, 2026
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2 participants