María Dolores Ribeiro Orge

Significant wave-height records from a Brazilian coastal buoy network can now receive an hourly three-level quality flag, GOOD, SUSPECT or BAD, instead of relying only on fixed physical-limit and rate-of-change thresholds. The model decides one-sidedly from the current value and the preceding 168 hours, reaching a binary F1 of 0.853 on a pooled controlled-failure test set across six buoys and a mean binary F1 of 0.856 when transferred to unseen stations. In hourly streaming simulation, abrupt, multiplicative and sentinel failures were detected at onset, while drift and stuck-sensor episodes required accumulated evidence.

Significant wave-height records from a Brazilian coastal buoy network can now receive an hourly three-level quality flag, GOOD, SUSPECT or BAD, instead of relying only on fixed physical-limit and rate-of-change thresholds. The model decides one-sidedly from the current value and the preceding 168 hours, reaching a binary F1 of 0.853 on a pooled controlled-failure test set across six buoys and a mean binary F1 of 0.856 when transferred to unseen stations. In hourly streaming simulation, abrupt, multiplicative and sentinel failures were detected at onset, while drift and stuck-sensor episodes required accumulated evidence.