ArcGIS Hydro Data Model Data Dictionary - Center for Research in ...

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Class (type) Drainage Feature (Abstract) Drainage Point (Point) Drainage Line (Polyline) Drainage Area (Abstract) Catchment (Polygon) Watershed (Polygon) Basin (Polygon) Inherits from Hydro Feature (Abstract) Drainage Feature Drainage Feature Drainage Feature Drainage Area Drainage Area Drainage Area Attribute Attribute Type Description Abstract class for Drainage System features DrainID Integer Link between point, line and area features of a drainage system (e.g. GridCode, Pfaffstetter number, HUC number) Point at the center of a DEM cell on a drainage path, usually seed point location for drainage area delineation JunctionID Integer HydroID of the associated HydroJunction Line through the centers of the DEM cells on a drainage path Abstract class for common drainage area attributes AreaSqKm Double Drainage area independent of map units JunctionID Integer HydroID of the associated HydroJunction, which is the drainage area outlet location NextDownID Integer HydroID of the next downstream area in this drainage area class An elementary drainage area produced by a uniform process of landscape subdivision Any subdivision of the landscape into drainage areas A set of standardized watersheds for data archiving and delivery 8
Channel Feature Dataset Classes 9
Page 1 and 2: ArcGIS Hydro Data Model Data Dictio
Page 3 and 4: Class (Type) Hydro Feature (Abstrac
Page 5 and 6: Hydro Network Feature Dataset Class
Page 7: Drainage Feature Dataset Classes 7
Page 11 and 12: Object Classes CrossSectionPoint Ob

ArcGIS Hydro Data Model Data Dictionary - Center for Research in ...

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