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fix ZM behavior on first step#8531

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whannah/eamxx/fix-ZM-first-step
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fix ZM behavior on first step#8531
whannah1 wants to merge 2 commits into
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whannah/eamxx/fix-ZM-first-step

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@whannah1 whannah1 commented Jul 1, 2026

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These two changes correct a subtle issue in the C++ port of ZM that was only discovered when using trig_ull=false. The additional initialization of pbl_height to 2km makes the first time step results from ZM more reasonable.

[non-BFB] - only for F2010xx-ZM

@whannah1 whannah1 added Atmosphere EAMxx C++ based E3SM atmosphere model (aka SCREAM) ZM labels Jul 1, 2026
@whannah1 whannah1 requested a review from jgfouca July 1, 2026 03:03
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github-actions Bot commented Jul 1, 2026

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PR Preview Action v1.8.1

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https://E3SM-Project.github.io/E3SM/pr-preview/pr-8531/

Built to branch gh-pages at 2026-07-01 03:06 UTC.
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3 participants