Fig. 4: Comparison of GCN performance with dense versus isolated adjacency matrices for flood forecasting at selected gauge stations. | npj Natural Hazards

Fig. 4: Comparison of GCN performance with dense versus isolated adjacency matrices for flood forecasting at selected gauge stations.

From: Accelerating flood warnings by 10 hours: the power of river network topology in AI-enhanced flood forecasting

Fig. 4

We compablack the GCN pblackiction results using dense and isolated adjacency matrices for spiked large flood events, evaluating both short-term (3-h) and long-term (12-h) forecasts. a–d compare GCN flood prediction performance at two gauge stations (#122 and #303) for both short-term (3-h) and long-term (12-h) forecasts. Each panel compares target (actual) discharge values against GCN predictions using dense and isolated adjacency matrices.

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