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Using the authors\' own FOSCAT software (specifically following Jean-Marc Delouis\'s IGARSS 2024 Pangeo tutorial workflow), scattering-transform synthesis fills cloud gaps in Copernicus Marine sea surface temperature observations to within 1 K of an operational gap-free analysis product, and outperforms a standard spherical-harmonic interpolation baseline by approximately an order of magnitude. The framework\'s applicability to oceanographic Earth observation is therefore concretely demonstrated, not only argued." } } } rows { name { value: "hasConfidenceLevel" } } rows { name { value: "HighConfidence" } } rows { quad { p_iri { } o_iri { } } } rows { name { value: "hasEvidenceDescription" } } rows { quad { p_iri { } o_literal { lex: "Single-day experiment on Copernicus Marine SST for 2026-04-01. Inputs: L3S PMW (cmems_obs-sst_glo_phy_l3s_pmw_P1D-m) with cloud gaps, L4 analysis (cmems_obs-sst_glo_phy-temp_nrt_P1D-m) as gap-free reference, both at 0.25\302\260 native resolution and downgraded to HEALPix nside=32 (12,288 cells). FOSCAT scattering synthesis: NORIENT=4, KERNELSZ=3, 300 L-BFGS iterations, ~139 seconds on CPU (Apple M1 Pro). Validation against L4 in cloudy regions only:\\n\\n- Spherical-harmonic baseline RMSE: 11.46 K\\n- FOSCAT RMSE: 0.989 K\\n- Improvement: 91.4%\\n\\nFull results JSON archived at Zenodo 10.5281/zenodo.19686691." } } } rows { name { value: "hasLimitationsDescription" } } rows { quad { p_iri { } o_literal { lex: "Three caveats limit the strength of the conclusion: (1) Single-date evaluation. Only one day (2026-04-01) of L3S/L4 SST was tested; cloud distribution, ocean regimes, and the gap pattern vary across days and seasons, so a multi-day study would strengthen the result. 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