Geographical Dependency

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Infrastructures are geographically dependent if a local environmental event can create state changes in all of them. (after: [1].) E.g. if telecommunication and electrical distribution lines use the same bridge, the destruction of the bridge (local environmental event) has effects on the state of both infrastructures.

Literature

  1. Rinaldi, S., J. Peerenboom, and T. Kelly (2001). Identifying, understanding and analysing critical infrastructure interdependencies. IEEE Control Systems Magazine, pp. 11–25.