ArcGIS Hydro Model Tutorial

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BasinBasin is an administratively chosen standardized watershed used for reference and data cataloging , usually named afterthe principal rivers and streams of a region. Basins may define the geographic extent of an Arc Hydro dataset, andthus constitute standardized watershed template for data archiving and delivery. Basin is a polygon subclass ofDrainageArea. Basins usually contain sets of Watersheds and Catchments.The Basin Polygon feature class does not define any additional attributes. The user can add attributes as necessary.Subtypes: NoneRelationships: None20 • ArcGIS Hydro Data Model
DrainagePointDrainagePoint is a subclass of DrainageFeature. A DrainagePoint represents the point at the center of a Digital ElevationModel cell at the most downstream location within a Drainage Area. The Drainage Area is associated with itsDrainage Point using the DrainID attribute that both classes inherit from the Drainage Feature class. Drainage Points arealso known as Seed Points, Outlet Points, or Pour Points of Drainage Area.The DrainagePoint Point feature class defines one attribute:• JunctionID: Integer – the HydroID of the HydroJunction associated with this DrainagePoint. This is theHydroJunction, which serves as the outlet of this Drainage Area onto the Hydro Network.Subtypes: NoneRelationships: NoneArcGIS Hydro Data Model • 21
Page 1: ArcGIS Hydro Data ModelArcGIS Hydro
Page 6: HydroEdgeThe HydroEdge class contai
Page 9 and 10: SchematicLinkThe Schematiclink and
Page 11 and 12: HydroEventThe HydroEvent abstract o
Page 13 and 14: HydroLineEventThe HydroLineEvent, s
Page 15 and 16: HydroFeatureAll simple feature clas
Page 17 and 18: DrainageAreaDrainageArea is an abst
Page 19: WatershedThe Watershed feature clas
Page 23 and 24: CHANNELThe Channel feature dataset
Page 25 and 26: ChannelFeatureThe purpose of the Ch
Page 27 and 28: Relationships: CrossSectionHasPoint
Page 29 and 30: HYDROGRAPHYThe Hydrography feature
Page 31 and 32: HydrographyThe Hydrography abstract
Page 33 and 34: HydroPointThe HydroPoint class cont
Page 35 and 36: BridgeA bridge is a structure that
Page 37 and 38: MonitoringPointMonitoring points ar
Page 39 and 40: WaterDischargeWater discharge point
Page 41 and 42: HydroLineThe HydroLine class is des
Page 43 and 44: WaterbodyThe Waterbody class is sub
Page 45: • TSValue - Double: TSValue conta

ArcGIS Hydro Model Tutorial

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