Satellite observation explorer

River Lens India

Review held-out NDCI predictions from the project test set.

Choose a study reach

Search is limited to eight reaches with saved test predictions.

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These are previously saved held-out observations. The map does not download a fresh satellite scene or predict an unmeasured river.

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Select an included reach.

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How to read the map

Each dot is one held-out test pixel. Click it to compare model estimate and satellite-derived reference. Red represents lower values; green represents higher values.

Limits: eight sampled river reaches only. Four clients were simulated on one computer. Transfer predictions can be inaccurate. NDCI is a chlorophyll-related satellite indicator, not a complete water-quality or drinking-safety result. Scores are not classification accuracy.

Historical held-out test observationsCopernicus Sentinel-2 · sampled reaches only

Federated model estimate · NDCI

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