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Arc Hydro River. Multiscale 3D Hydrography. Applications. Channel Shape. River Network. Flooding. Aquatic Biology. Global Topographic Basemap in Tiled base map synthesizing information across map scales. World. United States. Texas. Austin. Home.

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arc hydro river
Arc Hydro River

Multiscale 3D Hydrography


Channel Shape

River Network


Aquatic Biology

global topographic basemap in arcgis com
Global Topographic Basemap in

Tiled base map synthesizing information across map scales


United States




How do we do this for hydro?

hydro basemap display layer
Hydro BaseMapDisplay Layer

The Hydrography or “blue line” component of a topographic map

hydro basemap operational layer
Hydro BaseMapOperational Layer

A geometric network with a local catchment for each network edge

hydro basemap observation layers
Hydro BaseMapObservation Layers

Time-enabled feature layers of observations data

some implementation principles
Some Implementation Principles
  • Work with high resolution Lidar point data and breaklinedata
  • Better integration of vector geometry and networks with the elevation data (e.g. WBD, NHD, NED)
  • Have a better solution for multiscale visualization and analysis
  • Operational layer has the same seamless behavior across scales as does the display layer
  • There are base-level original data. At all higher, less resolved scales, the features displayed are a selected set from the base level original dataset.