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make ISSM GridComp name consistent with LANDICE etc GridComp names for NUM_LDAS_ENSEMBLE>1 - #1510

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sdrabenh merged 10 commits into
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feature/wjiang/issm_name
Sep 1, 2026
Merged

sdrabenh merged 10 commits into
developfrom
feature/wjiang/issm_name

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@weiyuan-jiang

@weiyuan-jiang weiyuan-jiang commented Aug 31, 2026

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When Landice (or Land) are run offline in GEOSldas with more than one ensemble member, the children GridComps are named LAND[ICE]_e[xxxx]. This PR makes the name of the ISSM children GridComps consistent with this naming convention.

Minor cleanup of single- vs. double-precision ISSM_DT. Results are non-zero-diff (within "roundoff") for ISSM output.

Also fixed indent of GEOS_ISSMGridComp.F90 (lots of white-space changes).

Regression tests for GCM and LDAS successfully done by @biljanaorescanin on 1 Sep 2026 (#1510 (comment), GEOS-ESM/GEOSldas_GridComp#181)

Related PRs:
GEOS-ESM/GEOSldas_GridComp#181

@weiyuan-jiang weiyuan-jiang added the 0 diff The changes in this pull request have verified to be zero-diff with the target branch. label Aug 31, 2026
@gmao-rreichle gmao-rreichle changed the title make issm gridcomp name consistent when ensmeble is greater than 1 make ISSM GridComp name consistent with LANDICE etc GridComp names for NUM_LDAS_ENSEMBLE>1 Aug 31, 2026
@biljanaorescanin

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Testing summary:

PR was tested for 1day AMIP, REPLAY and incREPLAY. All were zero diff.
Regression test passed as well.

Note: PR needed develop branch of GEOSgcm_App with this PR to compile. Not due to this PR but other GCM changes.

@biljanaorescanin
biljanaorescanin marked this pull request as ready for review September 1, 2026 16:22
@biljanaorescanin
biljanaorescanin requested review from a team as code owners September 1, 2026 16:22
@sdrabenh
sdrabenh merged commit b3f00ea into develop Sep 1, 2026
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@sdrabenh
sdrabenh deleted the feature/wjiang/issm_name branch September 1, 2026 19:08
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5 participants