Scientific framing¶
Floods arise when precipitation, snowmelt, and saturated ground exceed the landscape’s capacity to store and convey water. Antecedent soil saturation sets how much rainfall becomes runoff, tightly linking flood susceptibility to the soil reanalysis and to sediment transport from mountain to sea.
State variables & observables¶
(Streamflow/stage, soil saturation, snow water equivalent (SWE), precipitation; gauge and remote-sensing observables.)
Data — what we ingest¶
(Link to DataHub: streamflow, precipitation, SWE.)
Models¶
(Link to ModelHub: flood forecasting from stream-gauge/SWE/meteorology, flash- flood detection, sediment-transport coupling.)
Evaluation & metrics¶
(Link to HazEvalHub: hydrograph skill vs. persistence/climatology, peak-flow timing and magnitude, threshold-exceedance detection, lead time.)
Connection to use cases¶
Relevant to the 2025 river floods & sediment transport.