GIS Dictionary

Definitions for GIS terms related to operations such as analysis, GIS modeling and web-based GIS, cartography, and Esri software.

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sink

See Also: source

  1. [analysis/geoprocessing] The location or group of locations used as the endpoint for distance analysis. sink Illustration
  2. [network analysis] A junction feature that pulls flow toward itself through the edges of a geometric network. For example, in a river network, the mouth of a river can be modeled as a sink, since gravity pulls all water toward it.