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Hydrological Connectivity

  • By: S. M. Reaney
  • In: Encyclopedia of Geography
  • Edited by: Barney Warf
  • Subject:General Geography, Earth & Environmental Science

Hydrological connectivity defines the spatial and temporal pattern of the links among surface or subsurface water networks flowing across a landscape, and hence, it determines the ease with which water may move across a landscape or through a river system. Hydrological connectivity is a dynamic property of the system, and its long-term integration can be expressed using probabilities whereby a point in the landscape connects with another point or with a receiving water body such as a river or a lake. The strength of the hydrological connectivity is a function of two factors: (1) the surface facilitating or impeding the movement of water and (2) the temporal structure of the rainfall or river flow time series driving the movement.

The degree to which the surface facilitates ...

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