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NWM Flood Extent Forecast From TSTable

Description

Construct floodplain extent (floodplain polygons) of the pre-downloaded time series Q by applying JoinFeatures on the downloaded timeseries data with precomputed Flood Stack dataset (FloodDS).

Usage

Parameters

Parameter NameTypeDirectionData TypeDialog Reference
Input NWM Time Series TableRequiredInputTable ViewNWM Q Forecast Table
Input FPZoneRiverRequiredInputFeature LayerFloodplain polygons on each river segments, with 86 dhs on each river, (dh=0.3048), fields = [StreamID,HIndex,HValue,CompositeID], CompositeID=StreamID*100+HIndex
Input Rating Curve Lookup TableRequiredInputTable Viewpf_ModelStream, whose [Q, H] fields are used as rating curve Q->H.
Slice IncrementRequiredInputDoubleSlice_Increment (=0.3048), delta_h used to create the floodds dataset.
Ouput Floodplain TS DatasetRequiredOutputFeature LayerOutput floodplain extent polygons