jgfs_marine_anlfinal.ecf (GFS v17)

Branch / tenant: dev/gfs.v17 (gw_v17) Path: ecf/scripts/gfs/analysis/marine/jgfs_marine_analfinal.ecf Analysis date: 2026-06-11

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Summary

jgfs_marine_anlfinal.ecf runs the marine analysis finalization step — applying the ocean/ice analysis increments to the background, performing quality control, and producing final analysis files for the forecast. It calls JGLOBAL_MARINE_ANALYSIS_FINALIZE.

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1. Resources & Configuration

Field	Value
PBS resources	1 node, 128 cpus, 30-min wall, shared
Modules	load_modules.sh ufsda (JEDI/SOCA)
J-Job	JGLOBAL_MARINE_ANALYSIS_FINALIZE
Rocoto	marineanlfinal.sh

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2. Execution chain

jgfs_marine_analfinal.ecf → JGLOBAL_MARINE_ANALYSIS_FINALIZE
  → exglobal_marine_analysis_finalize.py
    → Applies increments to background fields
    → QC and balance operators
    → Produces final ocean/ice analysis for forecast

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3. v17-specific notes

• Part of marine DA chain: runs after anlvar, before anlchkpt.
• Python-based driver via pygfs.
• JEDI/SOCA modules.
• 128 cpus, 30 min — lighter than anlvar since increments are already computed.
• Produces the final ocean/ice state used by anlchkpt to write restart files.

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Sources

• On-disk v17: ecf/scripts/gfs/analysis/marine/jgfs_marine_analfinal.ecf.