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of dividing nuclei were replaced by ERA5 IVT fields of atmospheric rivers. The CellProfiler module chain and the TrackObjects Overlap method are unchanged. Domain-appropriate object criteria (the Guan & Waliser AR thresholds: IVT, length, length/width ratio, poleward flux) replace the nucleus size/intensity thresholds, since \"what counts as an object\" is necessarily domain-specific. No retraining or algorithm change was performed." } ], "https://w3id.org/sciencelive/o/terms/hasDiscipline": [ { "@id": "http://www.wikidata.org/entity/Q757520" } ], "https://w3id.org/sciencelive/o/terms/hasMethodologyDescription": [ { "@value": "RA5 vertically-integrated water-vapour transport (IVT) components were downloaded from ARCO-ERA5 (the analysis-ready ERA5 mirror on Google Cloud, anonymous) over the North Pacific for an early-February 2017 window at 6-hourly cadence, and the IVT magnitude was computed as the root-sum-square of the eastward and northward components. Each timestep was rendered as a single-channel frame (bright river on dark background). 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A same-algorithm local path (scikit-image connected-component detection with the identical geometry and poleward criteria, then one-to-one maximum-overlap linking) reproduces the result without a Galaxy account for hermetic CI." } ], "https://w3id.org/sciencelive/o/terms/hasScopeDescription": [ { "@value": "Whether the object-tracking behaviour of the CellProfiler IdentifyPrimaryObjects + TrackObjects pipeline — assigning each object a persistent identity across frames and recovering its trajectory, including objects that intensify, merge and split — holds when the input is a time-series of ERA5 IVT fields containing atmospheric rivers rather than a fluorescence time-lapse of dividing nuclei. In scope: recovery of coherent atmospheric-river objects (identity, trajectory, length, IVT intensity, poleward flux) and their tracking over consecutive 6-hourly steps for a North Pacific event. 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